A battery charger circuit for charging any kind of 12v battery
Halloween is near, so grab your Arduino, make an EMF detector and play with it.
Learn how to build a globally-available power outage detector with Twilio and a Cellular Notecard from Blues Wireless.
A long-lasting inexpensive battery bank that never needs to be plugged in.
A portable power supply for your lab bench.
A simple module to keep power banks from turning off, when your DIY circuit draws low currents.
An AC load controller to periodically turn on/off any AC load.
This is the simplest amplifier works on the principle of band pass filter and no external power supply is needed.
A simple demo.
A basic project for understanding the ohms law and its implications in the electronic field.
Are you looking for a board, that can be used to control strong DC motors as well as highspeed brushless motors? Here you've found it.
4 channel audio circuit using 2 channels at input. A small and gain booster circuit with Operational amplifier.
A tiny dimmer with corrected output for resistive loads. Controlled with 3 keys and showing current value on 8 tiny colored LEDs.
A DC motor control for Arduino Uno.
Make your own power logger for electronics that you use in the house using INA219 chip, SSD1306 OLED display, Raspberry Pi 3, and Python.
This project is a continuous variator of supplied power for power tools, lights or heating. Works universally for AC or DC power supplies.
Make your own DC-DC Boost Converter to step up DC voltage
Build a universal wireless charger for any tablet or device that charges via USB.
Reviewing the popular WEL3005 Electronic Load and Battery Tester Module
Build a device that will transmit the voltage, current and power measurements to your Bluetooth connected device.
6.4A-2uA current/voltage/power monitor based on the TI INA209 with extra GND usable as Arduino shield, FeatherWing, breakout or breadboard.
No means to run a amplifier without proper supply and filter circuit. After all this help to go beyond the limits.
Let's build something useful out of old laptop battery pack
Learn how to build a system that switches between grid power and an alternative power source automatically if grid power is lost.
