Posts Tagged ‘bluetooth’

AMS AS7000 Biosensor is Designed for Strapless Optical Heart Rate Monitors

October 5th, 2015 No comments

Heart rate monitors (HRM) with chest straps are now being replaced by more comfortable strapless HRM, such as UWatch UX. These products are enabled by photoelectric sensors that sample light modulated by blood vessels, which expand and contract as blood pulses through them. One of such solutions is the recently introduced AMS AS7000 including a Cortex M0 core, and a DSP implementing algorithm to process raw photoplethysmography (PPG) readings from the sensors to convert them into digital HRM and HRV (Heart Rate Variability) values.

AS7000 Block Diagram

AS7000 Block Diagram

Highlights of AS7000 Biosensor:

  • MCU – ARM Cortex M0 with 4KB RAM, 32 KB EEPROM
  • I/Os – 9 GPIOs, UART, SPI, I2C
  • Analog electrical and optical Frontends
  • Hardware sequencer
  • Synchronous detector
  • Integrated LEd driver with current control
  • Optical filters
  • Supply Voltage – 2.6 – 3.6V
  • Temperature Range –30 to 70°C
  • Package – 18 pins

AS7000 can deliver greater accuracy when it is paired with an external accelerometer, as algorithms can filter out motion artifacts, and maintain high accuracy whether the user is resting or exercising. While the chip is well suited to fitness bands, smart watches, and sports watches requiring several days of battery life, it can also be used in medical sensors, chemical sensors, handheld point-of-care devices, and industrial sensors.

Development Kit

AS7000 Demo Kit

Two evaluation platform are available:

  • AS7000 Demo Kit – Complete kit with a display board with PIC microcontroller, a Bluetooth module with a lithium battery, AS7000 and an accelerometer mounted inside a small wristband.
  • AS7000 Retrofit board  – AS7000 biosensor mounted together with an accelerometer, and cabling that you can somehow use with an existing fitness band.

Both kits comes with a software development kit (SDK), software documentation, and a GUI software allowing users to update AS7000 firmware, as well as the display board board in the case of the demo kit. HRM and HRV readings can be uploaded to an Android smartphone or tablet over a Bluetooth connection.

The AS7000 is available for sampling now, with price starting at $6 per unit for 1,000 pieces orders. The kits’ pricing is only available on request. You may want to visit AMS AS7000 product page for more details.

Via Electronics Weekly

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Atmel Unveils the World’s Smallest Bluetooth 4.1 LE SoC, and BTLC1000 Xplained Pro Development Kit

September 25th, 2015 No comments

Atmel has just announced it is now shipping SmartConnect BTLC1000 Bluetooth Smart (BLE 4.1) SoC in production quantities. The chip is remarkable thanks to its size, as the company managed to pack an ARM Cortex-M0 MCU, a transceiver, a modem, MAC, PA, TR Switch, and Power Management Unit (PMU) into a 2.26×2.14 mm package.

Atmel_Bluetooth_4.1_SoCAtmel SmartConnect BTLC1000 Bluetooth LE SoC key features and specifications:

  • MCU – ARM Cortex M0 @ 26 MHz
  • 128KB IRAM/DRAM, 128KB ROM
  • Connectivity – Bluetotoh 4.1 Smart with L2CAP service layer protocols, Security Manager, Attribute protocol (ATT), Generic Attribute Profile (GATT) and the Generic Access Profile (GAP). Proximity, Thermometer, Heart Rate, Blood Pressure, and others profiles are also included in the protocol stack.
  • I/Os – Up to 15, including 2x UART, 2x SPI, and 2x I2C.
  • Hardware Crypto – AES-128, SHA-256
  • Operating Voltage – 1.8 – 4.3V
  • Power Consumption – > 4mA in RX, and >3mA TX at 3.6V
  • Package – WLCSP (2.26×2.14mm) or QFN ( 32p 4×4 mm)
  • Certified Modules – FCC, ETSI/CE, TELEC
  • RoHS compliantBTLC1000_Block_Diagram2

The chip can be used as a Bluetooth Low Energy link controller with external host MCU or as a standalone applications processor with embedded BLE connectivity and external memory.

To get customers started as quickly as possible, Atmel provides BTLC1000 Xplained Pro Starter Kit comprised of ATSAML21-XPRO board with SAML21 MCU, ATBTLC1000-XPRO Bluetooth expansion board, and two USB cables.

Atmel_BTLC1000_XSTK_Xplained_ProI could not find pricing information for the SoC, but the starter kit can be purchased for around $108, and if you already  own an Xplained PRO board, you can instead purchase ATBTLC1000-XPRO module for about $27. More details and documentation are available on Atmel BTLC1000 product page.

Thanks to Nanik for the tip.

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Pebble Time Round is Thinner, Features a Circular Display, But Lasts Only 2 Days on a Charge

September 24th, 2015 No comments

Pebble introduced Pebble Time smartwatch with an always-on color e-Paper display, voice recognition, and 7 days of battery life early this year, and the company has now unveiled a thinner version with a circular display, that’s still always-on, but unfortunately only lasts 2 days on a charge like most of other smartwatches on the market.


The Pebble Time Round shares the same “Timeline” user interface as the Pebble Time (Steel), and most of the hardware features:

  • Display – Always-on, color e-paper display with LED backlight, 2.5D gorilla glass display
  • Connectivity – Bluetooth
  • Audio – Built-in microphone for voice reply
  • Battery / Power
    • Up to 2 days of battery life
    • A 15 minutes charge gives you a day of use.
    • Magnetic charging with cable working in any USB port
  • Misc – 3x tactile buttons, vibrating motor for discreet alerts and alarms
  • IP Rating – Splash resistant to IPX7 standard (Not waterproof however)
  • Dimensions – 38.5mm x 38.5mm x 7.5mm,  14mm or 20mm leather band included, with stainless steel bands sold separately.
  • Weight – 28g Pebble_Watch_Round

While the Pebble Time includes a 6-axis gyroscope, I could not find any confirmation that the Pebble Time Round includes one, so it might or might not be included. The Pebble Time Round will ship with a 14 or 20mm leather strap, and a USB charging cable. The lower battery life is probably due to the design leading to the use of a smaller battery.

While Pebble Time watch was launched through Kickstarter, the company is taking pre-order directly on their website for $249.99, and North American customers will soon be able to order it from Best Buy, Target, and Amazon, with retail availability in the UK planned later this year, and in Europe in  early 2016. More information may be found on Pebble Time Round product page.

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Link Dream i-Watch BT is a Both a Bluetooth Headset and a Watch

September 22nd, 2015 1 comment

If you don’t like wearing your Bluetooth headset all the time, but also find it inconvenient to take it out of your pocket and/or bag once you do get call, Link Dream i-Watch BT might offer a solution. It’s a basic watch that carries a Bluetooth 3.0 headset, so you can easily use it as needed.

Link_Dream_i-Watch_BTKey features and specifications:

  • Connectivity – Bluetooth V3.0 (CSR) with Headset, HFP, and A2DP profiles. Range: Up to 10 meters
  • Display – Shows time and battery level
  • Audio – Microphone
  • USB – (micro?) USB port for charging
  • Misc – Vibrator, LED,  multi-function button, and time adjustment button
  • Battery
    • 180mAh Li-ion battery
    • Talking time: Up to 1.5 – 2 hours; Standby time: Up to 200 hours (or 6 to 10 days depending where you read)
    • Charging time: About 2 hours
  • Charger – 5V @ 300 – 500mA
  • Dimensions – 25.5 x 2.8 x 1.8 cm
  • Weight – 40 g

The device allows you to make, answer, reject calls, dial last number, and listen to music. It will also vibrate when you get an incoming call, but not for messages. It should work with all phones that support Bluetooth.The package includes the Bluetooth headset watch, a USB charging cable, two headset caps, and a user’s manual.


The concept is interesting, but it would have be extra nice to have a fitness tracking function added to the device too. The time is not always shown, and you need to press a button to display it, like in Vidonn X5 activity tracker, because it decreases battery life. I wish there were more device with e-ink displays on the market.

Link Smart i-Watch BT sells for $27.05 + shipping on ChinaVasion, but you can also find it on Amazon US, and GearBest for around $33 to $35 shipped, and there’s currently a promotion on Aliexpress for $25 shipped (9 hours left).

Thank you Onebir!

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HummingBoard Gate Boards Add a mikroBUS Socket to Support MikroElektronika Click Boards

September 22nd, 2015 No comments

SolidRun already released HummingBoard-Base, HummingBoard-Pro, and HummingBoard Edge previously, but the company has now launched another version of their Freescale i.MX6 based boards with HummingBoard Gate that adds a mikroBUS socket to support over 150 add-on boards – called Click Boards – made by MikroElektronika.

HummingBoard-Gate with GPS Click Board

HummingBoard-Gate with GPS3 Click Board

HummingBoard Gate specifications:

  • SoC – Freescale i.MX6 Solo, Dual Lite, Dual, or Quad with Cortex-A9 cores @ 1 to 1.2 GHz
  • System Memory – Up to 4GB DDR3
  • Storage – Micro SD slot
  • Connectivity – Gigabit Ethernet (limited to 470Mbps), optional WiFi/Bt module
  • Video Output – HDMI output, MIPI-DSI connector
  • Camera – MIPI CSI-4, parallel camera
  • USB – 4x USB 2.0 ports
  • Expansion
    • mPCIe slot with SIM card holder
    • 36-pin GPIO header
    • mikroBUS click interface
  • Misc – Reset button, RTC with battery
  • Power – 7-36V, 5.5mm jack
  • Dimensions – 102 x 69 mm

As usual, the board is comprised of a baseboard and a microSOM, and the company provides download links for Android 4.4.2, Debian, OpenELEC 5.0, and GeexBox XBMC, but it can also run Arch Linux ARM, Fedora, OpenSUSE and others. The hardware itself is basically a low cost version of HummingBoard Edge with the same dimensions, and most features expect for the lack of LVDS, eMMC and M.2 support.

Some MikroElectronika Click Boards

Some MikroElectronika Click Boards

The most interesting part of this board is the 16-pin mikroBUS interface with SPI, UART, I2C, PMW, Analog input and power signals, that allows you to interface it with one of the many Click Boards available today which can add GPS, Bluetooth LE, WiFi, NFC, various sensors, motor drivers, buttons, OLED display and many more to the board. So the platform should be pretty good if you quickly need to test and/or demonstrate various project ideas.

HummingBoard Gate sells for $49.99 to $235.00 with the cheapest part including a i.MX6 Solo processor with 512 MB RAM and no wireless module, power adapter, or enclosure and the most expensive one featuring an i.MX6 Quad module with 4GB RAM, a power adapter, a WiFi and Bluetooth module, a 8GB micro SD card, and a metallic enclosure. More information is available on Solidrun HummingBoard Gate product page. You can check the list of Click Boards and their price on MikroElectronika website.

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LimiFrog is a Bluetooth 4.1 Wearables Devkit Based on STM32L4 with Lots of Sensors (Crowdfunding)

September 4th, 2015 3 comments

LimitFrog is a tiny board powered by STMicro STM32-L4 microcontroller with Bluetooth 4.1 connectivity, plenty of sensors, and that can run code bare metal as well as RiOT real-time operating system.

LimifrogLimiFrog specifications:

  • MCU – STMicro STM32-L4 ARM Cortex M4 micro-controller @ 80 MHz with DSP, 512KB flash, 128KB RAM
  • External storage – 8MB serial flash for data that supports FAT32 file system
  • Display – 160×128 RGB565 OLED display
  • Connectivity – Bluetooth 4.1 (Panasonic PAN1740)
  • Sensors (Follow this link for datasheets of most components)
    • Pressure, altitude & temperature (LPS25H)
    • 3-axis accelerometer, 3-axis gyroscope (LSM6DS3)
    • 3-axis magnetometer (LIS3MDL)
    • Ambient light, proximity and distance (VL6180X)
    • Ambient sound (SPU0414H5H)
  • USB – micro USB port for power and programming
  • Expansions – 11-pin (through holes) providing access to SPI, I2C, CAN, PWM, GPIOs, ADC, DAC, Analog out, and power signals (3V out GND)
  • Battery – 500 mAh (hours to weeks of battery life depending on application)
  • Dimensions – N/A (but small)

Limifrog_block_diagramThe “basic” version does not come with sensors, Bluetooth 4.1, nor OLED display, so these are optional, and three more versions are offered “Sense”, “Sense’m comm” and “Full Monty” if you want more features.

LimiFrog can currently be programmed in C/C++, and MicroPython support is in the works. The libraries include a USB stack, a FAT file system, and graphics support. As mentioned in the introduction, programs can run bare metal, or using RiOT real-time operating system.

Software Architecture

Software Architecture

The company also provided a code sample in C if you want to check what the API looks like.

The project has launched on Kickstarter, and rewards start at 39 Euros for the “basic” version of the board with a LiPo battery, software packages, 3D printer files for the case, and up to 99 Euros for the “full monty” including Bluetooth 4.1, the OLED display, and all sensors. Delivery is scheduled for January 2016, and shipping costs between 8 and 12 Euros depending on the chosen rewards. More information may also be found on

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LG Rolly is a Bluetooth Keyboard that Folds into a Stick

August 31st, 2015 4 comments

There are already some flexible Bluetooth keyboards that you can roll into your bag or pocket after being done typing on your smartphone or tablet, but LG is about to launch Rolly Keyboard, a solid Bluetooth keyboard for mobile device that can be rolled into a stick, which should may be sturdier than flexible keyboards, and it can also hold a smartphone or tablet in upright position with a display of up to 10″ in size.


LG’ latest keyboard (model KBB-700) is comprised of 17mm keys – a standard keyboard comes with 18mm keys – arranged into four rows, that can be folded into a stick as shown above. The company also claims the keyboard offers “satisfying tactile feedback not found on flexible silicone keyboards”.

The keyboard is powered by two AAA batteries supposed to last about 3 months during typical use, and pairing over Bluetooth 3.0 occurs automatically to up to two devices as you unfold the keyboard. If the keyboard is paired to two devices, you can switch between them by pressing a key.

The Rolly Keyboard will be unveiled at IFA 2015, and start selling in September in the United States, and soon followed by “key markets” in Europe, Latin America and Asia in Q4 2015. LG did not disclosed pricing nor availability.

Via Connectedly

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Tronfy MXIV Telos TV Box Review with Android 5.1

August 31st, 2015 16 comments

Tronfy MXIV Telos is a TV box powered by Amlogic S812 processor running Android 5.1 Lollipop and costing just above $90 (with coupon), so it will be interesting to find out how it performs compared to Mygica ATV1900AC also based on Amlogic S812 SoC, and Android Lollipop firmware (version 5.0.2), which I reviewed recently, and sells for $169. I’ve already checked the hardware in Tronfy MX4 Telos Unboxing and Teardown, so today I’ll check how the device actually performs.

First Boot, Settings and First Impressions

I started by connecting peripherals: A USB hard drive to one of the USB port, and a USB hub to the other USB port with a webcam, and two RF dongles for an air mouse and a wireless gamepad, as well as HDMI and Ethernet cables, and the power supply. I then had to press the power button on the unit to start it up, and the boot took a long 1 minute 38 seconds to complete with all peripherals, or 48 seconds without any USB devices connected. That’s not the best performance, but almost exactly the same slow boot as experienced with the Mygica box.

MediaBox Launcher (Click for Orignial Size)

MediaBox Launcher (Click for Orignial Size)

LightHome (Click for Orignial Size)

LightHome (Click for Original Size)

You’ll get to  choose between two launchers: MediaBox or LightHome. The user interface resolution is 1920×1080, as you can see from the screenshots. I’ve just picked LightHome for the rest of the review.  The top right icons indicate network connectivity, and the maginifier redirects to Google Now. Weather, date and time information is displayed on the left side, and shortcuts to Kodi, Eshare, Flix Universe, the Browser, Google Play Store, the list of apps, a file browser, and Settings, as well as Favorites are placed in the center of the screen, There’s also a “kill running apps” button and a widget for CPU, memory and storage usage.

Let go to the Settings app.

Click to Enlarge

Click to Enlarge

Again that’s basically the same app as in ATV1900AC, and I’ve found it to be quite unstable: going to Network, changing between 12h/24h time display, adjusting screen rotation, etc… will always crash the app, so instead I went to “More setting” to access Android Lollipop settings and configure WiFi and Ethernet there.

Some useful settings include:

  • Network (crash)
  •  Display
    • Screen resolution: Auto, 480p-60Hz, 576p-50Hz, 720p 50/60Hz, 1080i 50/60Hz, 1080p 24/50/60Hz, 4K2K 24/25/30Hz or SMPTE
    • Screen position
    • Screen orientation (crash)
  • Sound – Digital sound (crash)
  • Preferences – HDMI CEC (crash)

Tronfy_MXIV_Telos(crash) means the settings look interesting, but I could not access it, since it would just crash the Settings app. At least, there isn’t three ways to access settings like in Mygica ATV1900AC, there’s only two, but most options are not accessible.. I could change the resolution to 4K30 and that one worked fine.

The 16GB flash has reportedly a single 16GB partition (which is impossible) with 10.55 GB space (perfectly believable), which means you’ll have plenty of space for both apps and data.

The “About device” section reports the model number is MXIV Telos, the device runs Android 5.1.1 on top of Linux 3.10.33, and the firmware version is 102L1. There’s also a “System Update” section there, and the system appears to connect to a download server, but there wasn’t any new firmware while I tested it, so I cannot confirm whether OTA upgrades are working properly. The firmware is rooted.

I used MeLE F10 Deluxe air mouse for most of the review, but I also quickly tested the IR remote control to check whether it was working OK, and the range is not too bad, as I only started to lose a few key presses at around 8 meters from the box.

Google Play Store worked very well, and I could install all apps I needed for review, and most apps I installed on other devices could also be installed, except apps that can’t be installed due to country restrictions. Sadly, after a while, the message “Unfortunately, Google Play Services has stopped” started popping-up every 5 seconds or so, whether I was actively using the Play Store or not, so the system became very difficult to use. I’m not the only one to have had this problem as others reported the issues on Samsung Galaxy phones, and provided a fix. I followed the instructions and could disable Google Play Services, but as I restarted the device, re-enabled the services, and updated it, the problem resumed, so I just disabled the services again to be able to use the device. If Google Play Services is disabled or not updated to the latest, applications such as the Google Play Store or Hangouts won’t work.

I’m pleased to say that Tronfy MVIV power controls work perfectly, as it’s possible to cleanly turn off and on the device, or go into standby using either the remote control or the power button on the device. The device also stays relatively cool, as the maximum temperature reached after Antutu 5.7.1 benchmark were respectively 42°C and 53°C on the top and bottom of the case.

The firmware itself appears to be stable and responsive, and I did not get any hangs up, but the settings is barely usable, and trying to access many settings will simply crash the app, so for example you can’t configure the audio device, meaning pass-through options are not accessible. Just like with Mygica box, the ART runtime used in Lollipop boosts app loading times, especially for games which load much faster than I’m used to.

Video Playback

Kodi 14.2 (customized or not) is installed and configured with Aeon Nox skin, but since there’s recently been a fix for Amlogic on Kodi 15.x that has been backported to Kodi 15.1 found on Google Play, I asked Tinydeal whether I should test the pre-installed Kodi 14.2 or the latest version, and they recommended  I keep using Kodi 14.2, so that’s what I tested.

Kodi_14.2_Aeon_noxBut first, I’ve taken a few screenshot to show what get while running Kodi. Kodi_14.2_Tronfy_system_info I’ve set the output to 1080p60 to check the framerate, and it’s indeed close to 60 fps, before switching back to 4K30 for testing. tronfy_mxiv_kodi_appsThey also have a few apps pre-installed.

kodi_traktShortly after starting Kodi, I was also ask to authorize Trakt, which automatically tracks the TV shows and movies you are watching, but I simply click on “No Thanks”.

All videos were played other Ethernet with the box connected to a SAMBA share. Let’s start with results with video samples from, Elecard H.265/HEVC samples, and a low resolution VP9 video:

  • H.264 codec / MP4 container (Big Buck Bunny) – 480p/720p/1080p – OK
  • MPEG2 codec / MPG container –  480p/720p/1080p – OK could be smoother (Kodi live log also reports ~20fps instead of the native 25 fps)
  • MPEG4 codec, AVI container 480p/720p/1080p – OK
  • VC1 codec (WMV) – 480p/720p/1080p – OK
  • Real Media (RMVB), 720p / 5Mbps – Software decode @ ~20 fps instead of 25 fps
  • WebM / VP8 – 480p/720p OK. 1080p could be a little smoother (18 fps instead of 25 fps)
  • H.265 codec / MPEG TS container (360p/720p/1080p) – 360p: OK; 720p: 15 fps. 1080p:  plays at ~12fps with audio cuts
  • WebM / VP9 (no audio in video) – OK

The results here are very similar to what I got on the Mygica device, and again the results are basically the same for higher bitrate videos, except for one little detail:

  • ED_HD.avi – audio only
  • big_buck_bunny_1080p_surround.avi (1080p H.264 – 12 Mbps) – OK.
  • h264_1080p_hp_4.1_40mbps_birds.mkv (40 Mbps) – Plays but at the wrong size (postcard like, zoomed out)
  • hddvd_demo_17.5Mbps_1080p_VC1.mkv (17.5Mbps) – 15 fps instead of 29.970 fps and zoomed out
  • Jellyfish-120-Mbps.mkv (120 Mbps video without audio) – Plays OK from network (Gigabit), but again zoomed out.

This is what it looks like when the system plays the video at the wrong size (zoomed out) :

Tronfy_MXIV_Telos_Kodi_PostcardNormally I use my AV receiver to test both PCM output and HDMI / (SPDIF) pass-through with videos using HD audio codec, but since I can’t set HDMI pass-through via the settings, I skipped the pass-through test, and the results with videos down-mixed to PCM are already depressing:

  • AC3 / Dolby Digital 5.1 – Audio OK, but video not very smooth
  • E-AC-3 / Dolby Digital+ 5.1 – Audio OK, but video zoomed out
  • Dolby Digital+ 7.1 – audio only (black screen)
  • TrueHD 5.1 – Audio OK, but video zoomed out
  • TrueHD 7.1 – Audio OK, but video zoomed out
  • Dolby Atmos 7.1 – OK! Yeah!
  • DTS HD Master – Audio OK, but black screen
  • DTS HD High Resolution – Audio OK, but video zoomed out

Sintel-Bluray.iso Blu-ray ISO video and 1080i videos could play smoothly and in full screen.

Hi10p videos decoded with some artifacts in like ATV1900AC, but the video were again zoomed out:

  • [Commie] Steins;Gate – NCED [BD 720p AAC] [10bit] [C706859E].mkv – Audio & subtitles OK, and video plays with with some artifacts (wrong size)
  • [1080p][16_REF_L5.1][mp3_2.0]Suzumiya Haruhi no Shoushitsu BD OP.mkv – Audio & subtitles OK, and video plays with with some artifacts. (wrong size)

4K videos also have mixed results with only two videos that are watchable:

  • HD.Club-4K-Chimei-inn-60mbps.mp4 – Video zoomed out
  • sintel-2010-4k.mkv – OK
  • Beauty_3840x2160_120fps_420_8bit_HEVC_MP4.mp4 (H.265) –  Playing @ 2 to 3 fps
  • Bosphorus_3840x2160_120fps_420_8bit_HEVC_MP4.mp4 (H.265) – Playing @ 2 to 3 fps
  • Jockey_3840x2160_120fps_420_8bit_HEVC_TS.ts (H.265) – Won’t play at all
  • MHD_2013_2160p_ShowReel_R_9000f_24fps_RMN_QP23_10b.mkv (10-bit HEVC) – Plays @ 3 to 4 fps.
  • phfx_4KHD_VP9TestFootage.webm (VP9) – Plays at 3 to 4 fps
  • BT.2020.20140602.ts (Rec.2020 compliant video) – Won’t play at all.
  • big_buck_bunny_4k_H264_30fps.mp4 – Looks OK to be, but Kodi reports ~25 fps for a 30 fps video
  • big_buck_bunny_4k_H264_60fps.mp4 – Plays in slow motion, audio/video sync issues, and audio cuts
  • Fifa_WorldCup2014_Uruguay-Colombia_4K-x265.mp4 (4K, H.265, 60 fps) – Only shows a still image, frequent audio cuts

I’ve also added a 4K 60fps H.265 video sample to my test procedure since some new processors can now support H.265 at 60 frames per second (in theory).  Software decoding explains why some video play at very low framerate.

LG 42UB820T 4K TV, which I use for all my reviews, does not support 3D, but I check whether the system can decode some stereoscopic 3D videos:

  • bbb_sunflower_1080p_60fps_stereo_abl.mp4 (1080p Over/Under) – OK
  • bbb_sunflower_2160p_60fps_stereo_abl.mp4 (2160p Over/Under) – Audio only, black screen.
  • Turbo_Film-DreamWorks_trailer_VO_3D.mp4 (1080p SBS) – OK

Following the catastrophic results with Kodi in this box, I just decided to skip video testing of AVI, MKV, VOB and MP4 movies, as I don’t see why I have to waste my time further with such a poor product. I did start the stability test with a complete 1080p MKV movie (~2 hours), but after seeing the video was only displayed at quarter size on the top left corner, I just laughed and stopped the test.
Video samples can be downloaded from “Where to get video, audio and images samples” post and comments.

Wi-Fi and Ethernet Network Performance

I’ve transferred a 278 MB file between a SAMBA share and the flash in both directions using ES File Explorer to test WiFi network performance. WiFi performance is pretty both with 802.11 b/g/n @ 2.4GHz (2.72 MB/s over a 65 Mbps link) and 802.11ac (4.15 MB/s over a 433 Mbps link).

WiFi Throughput in MB/s

WiFi Throughput in MB/s

For some reasons the system could only transfer in one direction with iperf, using “iperf -t 60 -c server_ip -d” command line:

  • wifi 802.11n:
  • wifi 802.11 @ 5 GHz n/ac:

Just to make sure there wasn’t any issues with my test setup, I install iperf in my Android tablet, and ran the test, and it could transfer in both directions.

I repeated the file transfer test over Gigabit Ethernet with a 885 MB file, and the results were best I’ve seen so far, just above Mygica ATV1900AC results.

Ethernet Throughput in MB/s

Ethernet Throughput in MB/s

Since with Gigabit Ethernet that test is often bound by the internal storage write and read speed, I also ran iperf, which showed the exact same oddity as with WiFI:

Miscellaneous Tests


Bluetooth is built-in, and everything I tried just worked straightaway:

  • File transfer with smartphone
  • PS3 game controller with Sixaxis Controller app following these instructions.
  • Bluetooth Low Energy support with Vidonn X5 fitness tracker
  • A Bluetooth headset


FAT32 (micro SD card), and the NTFS and exFAT partitions of a USB 3.0 hard drive could be mounted, and there was no problem with the SD card, however while the two partitions on the HDD are about 250GB large, but the system would only show 10MB partitions with 10MB free instead, basically meaning my hard drive was mounted as read only. The same bug occurred with Mygica ATV1900AC.

File System Read Write
EXT-4 Not mounted Not mounted
BTRFS Not mounted Not mounted

So once again I could not test USB storage performance, and I simply ran A1 SD Bench app to benchmark the eMMC flash performance, which read at 26.33 MB/s and wrote at 21.83 MB/s on average.

Read and Write Speeds in MB/s

Read and Write Speeds in MB/s

The combined read+write performance is about the same as Mygica ATV1900AC here, not too bad for a significantly cheaper device…

USB Webcam

Skype worked fine both with the Test /Echo Service audio call, and a video call, however I could not run Google Hangouts since I only tested it after I had to disable Google Play Services.


Unsurprisingly, gaming performance on Tronfy MX4 Telos was exactly the same as with ATV1900AC: Candy Crush and Beach Buggy Racing were both very smooth with default graphics settings, but Beach Buggy Racing was not quite enjoyable with maxed out graphics settings, albeit still playable.

Tronfy MXIV Telos Benchmarks

For some reasons, Amlogic S812 processor was limited to 1608 MHz in Mygica ATV1900AC, but it runs at full speed in MXIV Telos (1.99 GHz). The board name is n200.

Tronfy_MXIV_Telos_CPU-ZSo it should be no surprise that Antutu 5.7.1 score is a bit higher at 35,519 points against 34,137 points for ATV1900AC

Tronfy_MXIV_Telos_AntutuHowever, 3DMark score was about the same with 5,897 point for MX4 against 5,834 for Mygica platform.


Tronfy MXIV Telos hardware hold itself pretty well against Mygica ATV1900AC, with similar Gigabit Ethernet and storage performance, and pretty good WiFi performance, although not as perfect as on Mygica TV box, and it also has some extras like Bluetooth support and power control circuitry. I was a bit disappointed by the firmware on Mygica because there were still a bit too many bugs, but somehow MXIV Telos managed to do much worse, and it really feels like they had the hardware ready, and just load Amlogic Android 5.1 SDK onto the device and shipped it without any testing: Kodi is barely usable, many settings are not reachable because the Setting app will crash, my hard drive is read-only, and Google Play Store simply stopped to work after a while. Although to be fair, I’m not sure the latter is 100% related to that particularly firmware since people also had the same issues on Samsung Galaxy phones.


  • Android Lollipop firmware
  • Very good Ethernet and good WiFi performance
  • Relatively fast internal storage
  • Video Output – 1080p 24/50/60 Hz, 4K @ 24/25/30Hz, etc…
  • Hardware video decoding for H.265 4K up to 30Hz in “4K MoviePlayer”
  • Bluetooth works for file transfer, Sixaxis gamepad, Bluetooth low energy, and Bluetooth headset.
  • Power handled by MCU with support for proper power off.
  • Skype works fine
  • Two launchers available


  • Pre-installed Kodi is a disaster: many videos play at the wrong size (Zoomed out in the top left corner), several videos can’t play at all (black screen), H.265 is not working, audio pass-through is not working
  • Dolby and DTS audio not supported outside of Kodi.
  • Settings app will crash, so several settings are not accessible including audio output selection (PC/pass-through).
  • Incorrect partition size detected on USB hard drive leading to read-only partitions
  • Slow boot time (100 seconds will USB devices attached)

The hardware base is good, so you’d either have to rely on Tronfy to release a new firmware with bug fixes, or find another firmware compatible with n200 board, or try various versions of Kodi (this won’t fix the USD HDD nor Settings app issues though..) for it to be usable.

Tinydeal kindly provided Tronfy MXIV Telos sample for review, and in case you are interested, you can purchase it on their website for $91.85 with coupon tronfy4. As mentioned in the unboxing post, the hardware is based on Beelink MXIII Plus, that can be found on Gearbest, Geekbuying, eBay, Aliexpress, but you need to carefully check the specifications, as memory, storage and network connectivity options may vary.

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