12v relay circuit driver

 · Circuit Design of 12V Relay Driver using Transistor as a SwitchAbout This Video: A relay is an electromagnetic switch operated by a relatively small electric.  · 1. suppose for a BC relay driver, how to activate the relay after 5 sec of switched ON the circuit? 2. and for a BC relay driver, how to activate the relay after 5 sec of switched ON the circuit? 3. I connected two 12v relays in collector of one Will the 10k resistor fine as base resistor?Reviews: The AC relay driver circuit we will build is shown below: We, again, feed the AC relay the AC voltage it is rated for. If we use a relay with a rated voltage of VAC, we must feed it V from an AC power source. The capacitor and resistor in series acts as the transient voltage suppressor to .

Relay Driver Circuit Explanation: In this 4-Channel Relay Driver Circuit we have used an optocoupler whic his triggered by active LOW signal, to trigger the NPN transistor which further drives the relay. Here we have used 12v 10Amp relay in this PCB board, but you can also use 5v relays. The above diagram is for relay triggering circuit. Since the relay has 12V trigger voltage we have used a +12V DC supply to one end of the coil and the other end to ground through a switch. For switching we are using a transistor as a switching device. Figure 3 is the driver relay circuit by use input voltage to feed to the relay coil but has some voltage junction base and emitter lead of transistor. Which has value about volts. For example input from the pulse output digital pulse of 12 volts to drive to the transistor.

30 июл. г. What I am trying to do is control a pump with a 12v relay with a 12v power There are relays with 5V coils but you need a driver circuit. The relay should make a clicking noise if not, check your circuit. Tip Question Comment. Step 8: The Program. The test program is just an edited version. 10 сент. г. Basic driver circuit using a BJT transistor. The transistor primarily provides current 6 or 12V DC is often needed for motors or relays.