I’ve build a 3 cell battery pack for a remote controlled airplane. I’ve used 18650 cells as they are inexpensive and light compared to LiPo.
In this Tutorial we are going to make a Battery Level Indicator using LCD I2C 20 X 4 Display.
“tiny LiDAR laser range finder ” anUltra Compact LiDAR Distance Meter/Range Finder
Customizable camera slider with OLED screen and extended options.
Portable LED color stick reacts to your shaking motion. With extra fan and alarm.
This is a semi-outdoor temperature & humidity monitor that runs on 3.7v batteries. I say semi because it needs to be protected from rain.
A debug card created at the OCP Hackathon 2014 to read the status of BBUV2 signals and flashes LED's for debug/validation.
SAMD21G - xyz-mIoT [w. GSM, NB IoT or LTE CATM1] ~35-37uA in SLEEP mode - run your device for years using LiPO, LiION or Lithium batteries.
Build a device that can check the condition of a AA battery with the Snapduino.
This project covers a battery monitor on an automotive relay form to check the voltage of any vehicle and set alarms at different levels.
An inexpensive battery backup solution for your Pi Zero / Zero W
Made a Li-ion 18650 Cell charger with onboard Voltage monitoring setup powered by XIAO ESP32S3 and SSD1306 Display
Fast and simple project that imitates candle light powered with ATtiny85 and CR2023.
Protect your circuits with a powerful and resettable E-Fuse when handling circuits with high current batteries.
Solar-powered power bank for powering Arduino or other 5V Operated things.
This hack monitors the doorbell battery voltage. It makes a tick when it's time to recharge or replace the batteries.
94%-efficiency alternative lipo charger with USB-C as a drop-in replacement of TP4056 with USB-C based on the TI-BQ25302 IC
Smart BMS for Formula SAE EVs using BQ76PL455 & STM32. Ensures safe cell monitoring, balancing & CAN data—optimized for racing teams!
Use the Onion Omega as a WiFi remote to send http commands to pre-existing devices. Sort of like a remote for all of your IoTs projects.
The revival of an old favorite screw gun thanks to 3D printing and some electronic assembling.
esp8266 wifi microcontrollers, on battery, to make seperate lights that are automated with the use of Home Assistant.
Hi everybody! Im sick and tired of all these small and ugly powerbanks that doesnt have capacity enough to even charge your cellphone once.
This small breakout board based on the TPS63900 IC makes it a breeze to convert the voltage from a lipo to 3.3V or 5V at 90% efficiency
A battery charging module to charge 1s/2s cells, based on buck phenomenon.
