Firecricket – Bring your toys and costume props to life!
A tiny 32-bit Arduino compatible light, sound, & motion controller you can program yourself! The Firecricket is an Arduino compatible light, sound, and motion controller featuring a 48MHz 32-bit ARM Cortex M0+ microcontroller w/ 16K of RAM, a MicroSD slot so you can store sound...
Continue ReadingZeroPhone, A Raspberry Pi-Based Open Source Smartphone
Raspberry Pi is one of the most helpful innovations in the hardware industry. It has helped beginners and children learn programming and allowed the makers to develop powerful and cheap DIY projects. "ZeroPhone" is a new DIY smartphone that is built based on Raspberry Pi and cost about...
Continue Reading400V – 5A Power Supply For Brushless Motor Drivers
Although the power supply design is specific to the Brushless Servo Drivers mainly for IPM Modules, the concepts and circuit design may be used for any power supply requires high voltage output up to 400V DC and 5 Amps. The power supply is an unregulated design with an option to allow...
Continue ReadingA 32-BIT FISHINO board with WiFi, SD card, RTC, audio codec, LiPo and more
Boris Landoni @ open-electronics.org presents his 32bit Arduino Compatible board which has some nice features on board. He wrties: Our prototyping board acquires a 32-bit processor and sets the bar high, towards demanding applications that may take full advantage of the WiFi...
Continue ReadingSolar Power Module v2
Chip McClelland @ hackster.io published his solar li-po battery charger based on MCP73871 to manage the solar and DC charging of the LiPo battery, TPS63020 Buck-Boost Converter and Maxim 74043 LiPo Fuel Gauge. He writes: I build connected sensor which are often deployed in local...
Continue ReadingA new type of flexible micro-supercapacitors
Researchers from Nanyang Technological University in Singapore build a new type of flexible supercapacitor that aims to be used in wearables and other portable electronics such as T-shirts charging mobile phones. The new type of capacitor is made with out-of-plane wavy structures of...
Continue ReadingPaperino, The ePaper Display Shield
ePaper displays (EPDs) are becoming a trend in application, just like the display used in Amazon Kindle, for their low power consumption due to the to the underlying ‘bistable’ display technology. These displays can continue to show information without any power at all. It is...
Continue ReadingFPV drone teardown
Michael Dunn @ edn.com did a quick tear-down of his drone. The main processor is an ST STM32F031K6, an ARM Cortex-M0 with the usual cadre of peripherals, as well as a motor-control block (the leftmost large chip in Figure 2). Although at the lower end of the ARM continuum, it’s...
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