This will deactivate the Relay and switch off the light. And because Q2 is connected to the RESET pin 15 of 4017, it will reset the IC and again output at Q0 becomes HIGH and Q2 becomes LOW ... IR ...

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Using this optical remote switch, you can switch on/off any electrical or electronic load. Like any remote control system, it has a mini transmitter unit (Fig. 1) and a receiver unit (Fig. 2) to ...

The amplified signal is further given to relay-driver transistor T7. Relay RL1 energises to control the toy car. Working of the circuit is simple. Initially, when no IR beam is falling on sensor ...

Working of the Basic 5V Relay Circuit. In the above circuit, 5V relay is powered by a 9V battery. An ON/OFF switch is added for the switching purpose of the relay. At the initial condition when switch ...

IoT-based Smart Home Automation using the new Blynk 2.0 ESP32 LDR & temperature sensor to control an 8-channel relay module from the manual switch, IR remote & smartphone using the Blynk IoT App.

Also, any 5-V DC power relay with a rated coil current up to circa 100 mA can be used at its output port (CN1). Figure 2 Schematic diagram shows impulse relay module operating for 5-V DC/500-mA power ...