Watch the video after the jump to learn more about the EnergyShield Arduino rechargeable battery project and see it in action. ... all contained in Arduino Shield Form-Factor (Uno and Leo/R3).

The build relies on an Arduino Uno as the brains. ... Power is courtesy of a 3-cell lithium-polymer battery. The chassis, legs, and joints are all 3D-printed, ...

Arduino, the world's leading open-source hardware and software platform, today announced the launch of its next-generation UNO board, a significant re ...

Arduino UNO R4 Minima – €18. Power, compatibility, and flexibility. ... Battery-Powered RTC: Includes “OFF” and “VRTC” pins to manage board power and internal RTC; ...

Behind the delightfully punny name, you'll find an Arduino-compatible board the size of an AA battery. The hardware tinkerers and prototype mavens out there will invariably have stumbled across ...

Features only on Uno R4 WiFi (right) and not on Uno Minima. Wi-Fi 2.4GHz 802.11b/g/n up to 150Mbit/s Bluetooth 5 Built-in antenna 12 x 8 LED matrix Qwicc-style connector for 3V3 I 2 C – additional ...

What do you do if even the smallest Arduino boards (or their clones) are too big for your homebrew project? If you're Johan Kanflo, you find a way to make them even smaller. His AAduino project ...

Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...