PureThermal 3 board embeds FLIR Lepton FS thermal camera for $200

PureThermal 3 FLIR Lepton FS board

Groupgets PureThermal 3 (PT3) is a hackable thermal webcam that ships with the low-cost FLIR Lepton FS module, and is compatible with FLIR Lepton (2.x – 3.x) LWIR camera core. The company explains the new model offers the same basic functionality as the PureThermal 2 but with a few changes and additional features, although the motivation for the new design was primarily to address component shortages. Some changes include the removal of pads to install an RF shield, and the Tag-Connect TC2030 programming connector is replaced by the Tag-Connect EC-10-IDC. PureThermal 3 specifications with changes highlighted in bold: Microcontroller – STMicro STM32F412 Arm Cortex-M4 MCU @ 100 MHz with up to 1024 KB flash, 256 KB SRAM Camera support Supports LIR Lepton (2.x – 3.x) LWIR camera cores Ships with FLIR Lepton FS non-radiometric 160 x 120 resolution micro thermal camera module USB – USB Type-C port with USB UVC […]

Silabs EFM32-based HydroMoth enables underwater acoustic data recordings

Open Acoustic Devices’ HydroMoth is the underwater equivalent of the AudioMoth full-spectrum acoustic device that records audio samples mostly to monitor wildlife. Still based on a Silicon Labs EFM32 Wonder Gecko MCU, the HydroMoth is firmware-compatible with AudioMoth, enables audio recording at up to 60 meters deep, and has been tested to last two months at a depth of 30m using three AA batteries. HydroMoth key features and specifications: Wireless microcontroller – Silicon Labs EFM32 Wonder Gecko Cortex-M4F MCU @ 48MHz with 256kB Flash, 32kB RAM Storage – MicroSD card slot to store audio data Audio capture Onboard analog MEMS microphone acting as contact hydrophone Analog preamplifier with adjustable gain Uncompressed WAV from 8k to 384k samples per second USB – Micro USB Type-B port for configuration and reprogramming of the flash Misc Onboard RTC to track time in UTC timezone Improved 32.768 kHz MEMS oscillator to reduce clock drift […]

AudioMoth Dev is a full-spectrum acoustic development board based on SiLabs EFM32 MCU

AudioMoth is a low-cost, open-source acoustic monitoring device that can record uncompressed audio from 8000 up to 384,000 samples per second onto a microSD card. With sensitivity to audible sounds as well as ultrasonic frequency range, It is mostly used for monitoring wildlife including bats, cicadas, the rainforest, etc… The manufacturer, Open Acoustic Devices, is now offering the development board version with AudioMoth Dev, based on a Silicon Labs EFM32 Wonder Gecko MCU like the full device, for $79.99 + shipping on GrougGets. AudioMoth Dev board specifications: Wireless microcontroller – Silicon Labs EFM32 Wonder Gecko Cortex-M4F MCU @ 48MHz with 256kB Flash, 32kB RAM External RAM – 256kB SRAM Storage – MicroSD card slot Audio capture On-board analog MEMS microphone, sensitivity -38 dBV/Pa, 63 dBA SNR, 10Hz to 192kHz Sample rates up to 384kHz 3.5 mm jack socket for external electret condenser microphones (Note: the optional case not compatible when […]

Group Buy – Get UG802 Dual Core Cortex A9 Android 4.0 mini PC for 73.99 USD

A little while ago, I bought my CX-01 mini PC for ~$42 thanks to a group buy organized by togetho.ru. This website does not sell directly, but negotiates with online merchants such as Pandawill and sellers on Aliexpress so that interested buyers can buy a particular product at a discount with a Coupon. This time, togetho.ru is organizing a group buy for the Rockchip RK3066 dual core Cortex A9 mini PC for $78.99 (vs $89 normal price) on HK Good Aliexpress website (Product name: UG802). Here’s what you have to do to participate: Go to UG802 product page on Aliexpress Select free Hongkong Post Air Mail shipping. You are also supposed to select the “Black” version, but I can’t see this option in the site. If HK post is not available, select another method, and leave a comment (See below). Click “Buy Now” and “Confirm”. In the message box: Write […]

Group Buy – Get CX-01 Android 4.0 mini PC for 39.99 USD

togetho.ru is a an online community that organizes group buys for interesting gadgets, and one reader informed me they already did successful group buying for mobile devices such as Hyundai A7HD, SmartQ Ten3, and Freelander PD10 tablets and ThL V9 smartphone. They now opened group-buying subscription for CX-01 Android 4.0 mini PC powered by a dual core Cortex A5 processor (Telechips TCC8923) and plan to offer the device for $39.99 including international shipping via China Mail. It’s also possible to upgrade to Hong Kong Post or other shipping methods. You do not actually buy via togetho.ru, but you just need to register an email address, and if there is enough demand, they will be able to send a coupon to your email so that you can use it in Pandawill. The CX-01 HDMI stick should have performance similar to MK802 based on Antutu benchmarks for devices built around TCC8923, especially […]