Tired of dead remote batteries? Try this simple DIY hack: turn your remote into a rechargeable device using a 3.7V lithium battery, a TP4056 USB charging module, and a diode. Just replace the old batteries, solder the wires, and add a charging port—no more buying batteries!
Want to go further? You can even turn your remote Bluetooth-enabled with a microcontroller like an ESP32.
It’s affordable, eco-friendly, and satisfying—plus, you’ll help cut down on battery waste.
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