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Wifi/BLE enabled 4WD robot platform

ESP32 based IoT 4WD robot platform

Stefan designed an IoT enabled, compact and modular, 4-wheel drive robot platform powered by ESP32. It is controllable over WiFi and BLE. As controller board an ESP32 Thing board is used

Arduino cellphone signal booster

Arduino cellphone signal booster

Tecwyn Twmffat built an Arduino-based Cell Phone 4G Signal Booster. Living on an island in the middle of nowhere, mobile/cell phone reception can be rather intermittent and it seems that there

Arduino timer switch

Arduino timer for garden sprinklers

Amardes built an Arduino-powered relay controller that can be used to the sprinkler systems in your garden. It uses the DS3231 I2C precision RTC module with battery backup for time keeping.

Twitter client

ESP8266 Twitter Client

Andrei Mehiläinen shared his ESP8266-based Twitter Client project that is built using a 256×64 OLED (SSD1322 based) display. It connects directly to Twitter, so no third-party proxy services are used. The

ESP8266 Space Invaders

ESP8266 Space Invaders

Tobozo Tagada incorporated the uArcade Space Invaders game (Arduino playform) to ESP8266 with a nice buckle box enclosure. It uses a WeMOS D1 Mini Pro board for ESP8266 and a

Radiation monitoring system using Arduino and ESP8266

IoT enabled background radiation monitoring device

DIY Geiger counter projects are very popular among hobbyists. Geiger counters are used to detect beta particles and gamma rays radioactive emissions.They all use a Geiger-Muller (GM) tube, which is

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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