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Wrist watch with binary display

Another minimalist wrist watch, but with binary display

Earlier this week, we saw David Johnson-Davies’ minimalist ATtiny85 wrist watch that displays time using 12 LEDs arranged in a circle like a watch dial. I found another interesting LED-based wrist watch design shared by

Etch a sketch like drawing tool using Arduino and a VGA monitor

Etch-a-sketch on a VGA monitor using Arduino

Kids love Etch-a-sketch drawing boards. Rob Cai shares on this Instructables post how he has built a Etch-a-sketch like drawing tool using Arduino Uno and a VGA monitor. Besides an Arduino board,

8-channel current data logger

8-channel AC current data logger

This Arduino-powered 8-channel data logger built by smooth_jamie can measure AC currents drawn by home appliances or other equipments, and record the data on an SD card with timestamp for future use. The

Serial seven segment LED display shield

Serial seven segment LED display shield

Seven segment LED displays are brighter, more attractive, and provide a far viewing distance as well as a wider viewing angle compared to LCD displays. This project describes a serial

Minimalist ATtiny85 watch

Minimalist ATtiny85 wrist watch

David Johnson-Davies’ minimalist ATtiny85 wrist watch displays time using 12 LEDs that are arranged in a circle like a watch dial. A push button, installed on the top side of the

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VBAT Pin

STM32’s internal RTC

A Real Time Clock (RTC) is a timing element dedicated for keeping time. In many applications, especially where precise timed-operations are needed to be performed, a RTC is a very