Electrothinks

KY-038 Sound Detection Module

KY-036 Module is a sound detection circuit board that uses an electret condenser microphone. It can detect environmental noise levels and wo...

The KY-036 Module is a metal-touch sensor circuit board that uses a Darlington NPN transistor. It can detect changes in electrical conductiv...

Pulse Width Modulation (PWM) controllers efficiently control the power delivered to a load by adjusting the width of the pulses in a signal ...

Overcharging protection is crucial for lithium batteries as it keeps them safe, helps them last longer, ensures optimal performance, and pre...

Whether you're working on electronics projects or need a reliable power source for your bench, this adjustable power supply circuit offe...

A Zero Voltage Switching (ZVS) circuit is a popular device among electronics hobbyists for creating high voltages, generating arcs, transmit...

A simple audio amplifier based on the LM386 integrated circuit effectively amplifies low-level audio signals to a level suitable for driving...