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

AudioMoth Dev

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 […]