All these engineering project content are in the stream of Electrical and electronics!
Relay Toggle Circuit Using a 555 Timer
Relay Toggle Circuit Using a Single Transistor and Push Button
Relay Toggle Circuit Using a MOSFET and Push Button
555 Timer Monostable Circuit Using Pushbutton
Light Activated Relay (toggled)
Photo Electric Street Light
Power-On Time Delay Relay Circuit
Power-Off Time Delay Relay Circuit
Electronic Thermostat Relay Circuit
CHARGE COUPLED BI-DIRECTIONAL POWER MOSFET RELAY
SOLID STATE RELAY REQUIRES ONLY 50uA DRIVE CURRENT
THROUGH GLASS PUSHBUTTON SWITCH
Ultra Low Power Latching Relay Circuit
Universal Flasher using Latching Relay
Water Activated Relay
Time Delay Relay
Time Delay Relay II
Temperature-controlled Fan
Bedside Lamp Timer
Clap Relay
Water Pump Relay Control