This post describes a circuit that has a capacitive input sensor and a switching transistor at the output PNP. When…

What Makes Contactors Different from Relays? The course book definitions are sufficiently comparable it doesn’t generally encourage us. Both play…

The Difference Between MCB & MCCB? 1- Miniature Circuit Breaker (MCB)  :                    …

Air Circuit Breaker This circuit breaker will work noticeably all around; the extinguishing medium is an Arc at the climatic…

The Darlington Transistor configuration of two bipolar transistors offers increased current switching for a given base current. The Darlington Transistor…

Push-button bathroom fan switch design supports timed operation. This design switches a 120VAC load, and includes several much-needed details on…

Transistor switches can be used to switch a low voltage DC device (e.g. LED’s) ON or OFF by using a…

FLASHING LIGHT WITH TWILIGHT SWITCH The special feature of this flashing light is the op- tical switch, which automatically switches…