When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

It is used to test electrical components such as diodes and capacitors. A multimeter has a dial surrounded by several symbols ...

Microcontrollers (PICs) are used in control systems, identified by their circuit symbols, and applied in robotic control. Bit patterns show the states of input and output devices. Circuits with ...

Much like the brain inside your own bone-plated noggin, your microcontroller needs protection ... milliamps of output current the transistor or diode will pass per photon of light that hits ...