Another illustration that demonstrate using rotary encoder. Rotary encoder is an electro mechanical device that convert the angular position or a motion of a shaft or axle to analog or digital code. Rotary encoder are usually used at the side
Another illustration that demonstrate how to use the buzzer both passive and active. The difference between an active and passive is. The active buzzer has a built in oscillating source that will make a sound when amplifying a power compare
Another illustration demonstrating how IR Emission works on Raspberry Pi, for introduction how IR Emission works please refer to this link. IR (Infrared Receiver) is a device / component which receives IR signals and can independently receive IR rays and
In a electronic system there are some inputs that controlled by the end user, these inputs are read by electronics and acted as an output. The inputs can come from a source, switches, buttons, sensors, relays, and communication device, etc.