Ratti3

3 Projects 13 Followers 0 Following

An advanced lithium battery charger and powerbank with a SSD1306 OLED display, charges 18650, 20700 and 21700 batteries.

BQ25896 ATMega32U4 Lithium Battery Charger with Powerbank

900

USB 5V or 12V, Motion, Light, Temperature, Humidity & Pressure Sensors. NTP Sync, Web Interface for changing settings/time & wifi.

Arduino Nano 33 IoT Modular Nixie Clock with Web UI

3.7K

Modified exisiting project to include some sensors and extra buttons. Can use ESP01 to set time via NTP.

LED Matrix NTP Clock with DS3231, BME280, BH1750 & ESP01

17K

A large 4-digit 7-segment counter with LiPo backup, in case USB power is cut.

4-Digit 7-Segment Counter with LiPo Backup

10K