Jean-Luc Aufranc (CNXSoft), Author at CNX Software - Embedded Systems News

October 30, 2016December 10, 2017 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Getting Started with RabbitMax Flex IoT and Automation Hat for Raspberry Pi

At the beginning of the month I showed how to assemble RabbitMax Flex, a Raspberry Pi HAT compliant add-on board for Raspberry Pi boards with 40-pin header, that targets IoT and home automation project with its relay, IR transmitter and receiver, I2C headers for sensors, buzzer, RGB LED, and more. Since I’ve already described the hardware, I’ve spend some time this week-end following the user’s guide to play around with the board using a Raspberry Pi 2 board, and try various features. The user’s manual explains that you need the latest version of Raspbian, but I’d not played with my Raspberry Pi 2 board for a while, so the kernel and firmware were quite old:

uname -a
Linux raspberrypi 4.1.7-v7+ #817 SMP PREEMPT Sat Sep 19 15:32:00 BST 2015 armv7l GNU/Linux
pi@raspberrypi ~ $ /opt/vc/bin/vcgencmd version
Sep 23 2015 12:12:01 
Copyright (c) 2012 Broadcom
version c156d00b148c30a3ba28ec376c9c01e95a77d6d5 (clean) (release)

uname -a

Linux raspberrypi 4.1.7-v7+ #817 SMP PREEMPT Sat Sep 19 15:32:00 BST 2015 armv7l GNU/Linux

pi@raspberrypi ~ $ /opt/vc/bin/vcgencmd version

Sep 23 2015 12:12:01

version c156d00b148c30a3ba28ec376c9c01e95a77d6d5 (clean) (release)

So the first thing I had to do was to upgrade Raspbian. There are basically two options to upgrade, either downloading and dumping the latest Raspbian firmware image to your micro SD card, and […]

October 29, 2016October 29, 2016 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

ESP32 Updates – ESP32-S Module Replaces ESP3212, ESP32 DevBoards for Sale, Arduino & NodeMCU Support

There have been some developments with regards to Espressif ESP32 in the last month since my post about upcoming ESP32 development boards. First ESP3212 module is no more, and has been replaced with ESP32-S module with about the same features, but it’s not pin-to-pin compatible, so the new module won’t work with older breakout boards made for ESP3212. ESP32-S is now out of stock on Seeed Studio, but you’ll find it on IC Station, Banggood, and others shops. One good news is that it’s now easier to buy – or at least pre-order – ESP32 development boards, although stock may still be an issue, as the platform is very popular. If you live in the US, you can now backorder “Sparkfun ESP32 Thing” for $19.95. ESP32 board can be powered by either a micro USB power supply or a LiPo battery, and exposes close to 30 I/O pins. ESP32 developer […]

October 28, 2016October 28, 2016 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

CS668 Combines Android TV Box, Power Bank, and Bluetooth Speakers Into One Device

CS668 is an Android 6.0 TV box powered by Amlogic S905X quad core processor, which triples as Bluetooth stereo speakers and a power bank thanks to its built-in 5,000 mAh battery. CS668 3-in-1 TV box specifications: SoC – Amlogic S905X quad core ARM Cortex-A53 @ up to 1.5 GHz with Mali-450MP GPU System Memory – 1GB DDR3 Storage – 8GB eMMC flash + micro SD slot up to 32 GB Video Output – HDMI 2.0a up to 4K @ 60 Hz Audio I/O – HDMI output, 3.5mm headphone jack, 10W stereo speakers, built-in microphone Connectivity – 802.11 b/g/n Wi-Fi @ 2.4 GHz and Bluetooth 4.0 (AP6212 module) USB – 3x USB 2.0 host ports, 1x micro USB OTG port Misc – Power & Play/Pause combo button, and volume buttons Battery – 5,000 mAh rechargeable lithium battery good for up to 48 hours Power Supply – 5V/3A Dimensions – 15.1 cm […]

October 28, 2016October 31, 2016 by Jean-Luc Aufranc (CNXSoft) - 12 Comments

NanoPi S2 Quad Core ARM Linux Board Comes with WiFi & BT Connectivity, HDMI, LVDS, and LCD Interfaces

FriendlyARM has released a bunch of Allwinner based NanoPi Allwinner boards recently, but they also have some Samsung/Nexcell S5P ARM Cortex A9 boards in their portfolio, and the latest is NanoPi S2 with Samsung S5P4418 quad core processor, three display interfaces, a camera interface, wireless connectivity through WiFi and Bluetooth 4.0, a 40-pin “Raspberry Pi” header, and more. NanoPi S2 specifications: SoC – Samsung/Nexcell S5P4418 quad core Cortex A9 processor @ 400 MHz to 1.4 GHz with Mali-400MP GPU System Memory – 1 GB DDR3 Storage – 8GB eMMC flash + micro SD slot Video Output / Display I/F – micro HDMI port up to 1080p60, 24-pin LCD RGB interface, 24-pin LVDS interface Audio – 3.5mm audio jack, micro HDMI Camera – 24-pin DVP camera interface Connectivity – 802.11 b/g/n WiFi + Bluetooth 4.0 classic & LE (AP6212 module); IPEX/u.FL antenna connector USB – 1x USB 2.0 Host, 1x micro […]

October 28, 2016 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Fujitsu Launches F-Cue 96Boards Compliant Board Powered by SocioNext MB86S71 Processor

While 96Boards platforms may not be selling like Raspberry Pi boards, the form factor is quite popular with vendors, as there are now around 10 development board either directly supported by 96Boards, or at least compliant for the form factor. Fujitsu has also made their own 96Boards compliant F-Cue board powered by SocioNext MB86S71 quad core Cortex A15/A7 processor, as well as F-Cue extension board with Ethernet & PCIe interfaces. F-Cue board specifications: SoC – Socionext MB86S71 big.LITTLE quad core processor with 2x Cortex-A15 cores @ 1.2GHz, 2x Cortex-A7 cores @ 800MHz, and Mali-T624 GPU System Memory – 2GB LPDDR3 1333MHz Storage – 16GB eMMC 4.51 flash, micro SD 3.0 UHS-I slot Video & Audio Output – HDMI 1.4b Multimedia Capabilities – 1080p@30fps encode/decode, 4 stream H.264 decode; 32k x 32k JPEG codec Connectivity – 802.11 a/b/g/n/ac WiFi , Bluetooth 4.2 USB – 1x USB 3.0 host port, 1x USB […]

October 27, 2016October 27, 2016 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Realtek RTL8710AF (PADI IoT Stamp) vs Espressif ESP8266 (ESP-07) WiFi RF Performance Comparison

After I posted about PADI IoT Stamp IoT kit based on RTL8710AF ARM Cortex M3 WiSoC yesterday, I was soon asked whether I could compare the RF performance against ESP8266 modules like ESP-12. I don’t have any equipment to do this kind of test, except for some simple test like testing range with WiFi Analyzer app, but I remember Pine64 told me they had some comparison data a little while, and accepted to share their results. The test setup is comprised of Litepint IQ2010 multi-communication connectivity test system and PC software, as well as the device under test (DUT) with PADI IoT Stamp (version with u.FL antenna connector) and ESP-07 ESP8266 module as a u.FL connector is required to connect the test system. They’ve tested 802.11b, 802.11g, and 802.11n, but for IoT projects 802.11b is the most important as usually long range is more important than data rate. Test results […]

October 27, 2016March 23, 2018 by Jean-Luc Aufranc (CNXSoft) - 6 Comments

Samsung Introduces $5 ARTIK 0 and $50 ARTIK 7 Smart IoT Module Families

Samsung unveiled ARTIK 1, 3 and 5 boards for the Internet of Things in 2015, and started to sell them, together with development with WiFi, BLE and Zigbee connectivity earlier this year. The Korean company has now announced two new family with ARTIK 0 modules powered by an ARM Cortex-M MCU and destined to be used in HVAC, lighting, industrial sensors, personal health monitoring and more, as well as ARTIK 7 family powered by an Octa-core Cortex A53 processor, and targeting IoT gateways. ARTIK 0 Family ARTIK 0 family is now comprised for ARTIK 020 with Bluetooth, and ARTIK 030 for applications requiring Thread and/or Zigbee. Beside the different radios, both modules share the same key features: MCU – ARM Cortex-M4 up to 40 MHz with Floating Point Unit, 256KB flash, 32 KB SRAM, advanced hardware cryptographic engine with support for AES-128/-256, ECC, SHA-1, SHA-256, and a Random Number Generator […]

October 27, 2016 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Quirky Linux 8.1 Lightweight Linux Desktop Distribution Released for Raspberry Pi 2 and Pi 3

Barry Kauler, the creator of Puppy Linux, may have retired from maintaining Puppy Linux a few years ago, but he appears to be still active, as he’s just released Quirky Linux 8.1 for Raspberry Pi 2 and Pi 3 boards, a lightweight Linux desktop distribution based on Ubuntu Xenial Xerus 16.04, and including LibreOffice & Inkscape to have the same out of the box experience as Raspbian, but with a 360 MB download size instead of 1.3 GB for Raspbian. A build for ODROID-XU4 development board should also be coming soon. The image has been designed for 8GB micro SD card, and needs to extracted and dumped onto the card with the usual Win32DiskImager or dd tools. There are three mirrors for quirky-pi2-sd-8gb-xerus-8.1.img.xz firmware: iBiblio.org, nluug.nl, and archive.org. You can read the full release notes if you want more details. In case you don’t have a spare micro SD card, […]