A Lipo charger and protection circuit, a boost converter, a bunch of WS2812b and an ATMega328p - All of this makes a circuit forremote operating LEDS.
The circuit include a header to plug a RF module (nRF24 ?).
The ATMega is used with it's own internal oscillator (not precise 8MHz), but it's sufficient enough to drive this small circuit.
Power-Back Surge Protector is a simple yet effective solution for protecting your valuable and sensitive electric/electronic systems. Power-Back Surge typically occurs when power returns after a power-cut (black out) and connected equipments receives a surge of electricity at an over-voltage level, which can be very damaging. Usually, power-back surges are created by the utility, when it restores...