Electrothinks

How to calculate voltage divider for circuit design?

A voltage divider is an electrical circuit that converts a higher voltage into a lower one by using a pair of resistors (or sometimes other ...

This NE555 timer intregrated circuit based module generates an adjustable square-wave PWM signal with a frequency range of 7 Hz to 1.4 kHz...

TIP31C is a silicon NPN power transistor with an island base. It belongs to the TIP31 series and housed in a TO-220 package suitable for mid...

The BD139 is a silicon NPN power transistor with an epitaxial base. It belongs to the BD series and housed in a TO-126 package suitable for ...

The TIP120 is a silicon NPN power Darlington transistor with an epitaxial base. It belongs to the TIP series and housed in a TO-220 package ...

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...