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ESP8266 radio station

ESP8266 internet radio

Tom Tobback built an ESP8266 internet radio based off Edzelf’s excellent Esp-radio project. It uses NodeMCU ESP8266 board for connecting to various internet radio stations and the VS1053 module for

Arduino guitar pedal

Arduino guitar pedal

This Arduino-based multi-effect guitar pedal is an open source design for guitarists and hackers. The design is made simple and customizable so that you can program it to make your

Flexible smartwatch using e-ink display

Flexible smartwatch using e-ink display

Nick Ames aims to build a thin and flexible smartwatch with a wrap-around touchscreen display made of a 4.9″, 720×120 EPD (e-ink) screen. Besides time telling, the smartphone also features health

Self-balancing robot

Making a self-balancing robot using Arduino

Two-wheel self-balancing robots are pretty cool and could be challenging to make for beginners. Joop Brokking describes the build process of his amazingly stable self-balancing robot in a video tutorial posted below.

Computer controlled power supply

Portable power supply with built-in batteries

Most of the bench power supplies we use derive power from the main AC supply. ThomasVDD presents his Arduino-controlled smart power supply with built-in battery backup so that you can use

DIY GPS tracker for hiking trips

A DIY GPS tracking device for hikers

A handy GPS tracker designed by woytekm for tracking and recording your hiking trips on a microSD card. It also features a Nokia 3310 LCD for showing current GPS position, altitude, track

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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