Control 5V Relay With 3.3V at Robert Mcclure blog

Control 5V Relay With 3.3V.  — i have some circuit where my board (electric imp) can output up to 3.3v, and i need to control a relay with atleast 5v in order to effect the coil.  — since the arduino operates at 5v it can’t control these higher voltage devices directly, but you can use a 5v relay to.  — yes, the reddit post's approach is likely to work ok, as long as you correctly follow the cautions in it: the circuit will work with 0/3.3v input (anything from a bit over 1v to more than 10v is an acceptable '1', and < 200mv is '0'). If you search for step up breakout you will find products that can step up 3.3v to 5 volts. you are going to need to obtain (or create) a 5 volt supply.  — arduino relay tutorial. • connect the vcc pin of the relay board to a 5v. The relay board is the type that uses an opto. Arduino is a 5v (some are 3.3v) system, so we can easily control any 5v device using an arduino output pin.  — i need to control a 5v relay board with a 3.3v arduino pro mini.

 — arduino relay tutorial. If you search for step up breakout you will find products that can step up 3.3v to 5 volts. the circuit will work with 0/3.3v input (anything from a bit over 1v to more than 10v is an acceptable '1', and < 200mv is '0').  — i need to control a 5v relay board with a 3.3v arduino pro mini. • connect the vcc pin of the relay board to a 5v. The relay board is the type that uses an opto.  — since the arduino operates at 5v it can’t control these higher voltage devices directly, but you can use a 5v relay to.  — i have some circuit where my board (electric imp) can output up to 3.3v, and i need to control a relay with atleast 5v in order to effect the coil.  — yes, the reddit post's approach is likely to work ok, as long as you correctly follow the cautions in it: Arduino is a 5v (some are 3.3v) system, so we can easily control any 5v device using an arduino output pin.

5v To 3v Circuit Diagram

Control 5V Relay With 3.3V  — since the arduino operates at 5v it can’t control these higher voltage devices directly, but you can use a 5v relay to. The relay board is the type that uses an opto. Arduino is a 5v (some are 3.3v) system, so we can easily control any 5v device using an arduino output pin. the circuit will work with 0/3.3v input (anything from a bit over 1v to more than 10v is an acceptable '1', and < 200mv is '0'). If you search for step up breakout you will find products that can step up 3.3v to 5 volts. you are going to need to obtain (or create) a 5 volt supply.  — i need to control a 5v relay board with a 3.3v arduino pro mini.  — since the arduino operates at 5v it can’t control these higher voltage devices directly, but you can use a 5v relay to. • connect the vcc pin of the relay board to a 5v.  — arduino relay tutorial.  — yes, the reddit post's approach is likely to work ok, as long as you correctly follow the cautions in it:  — i have some circuit where my board (electric imp) can output up to 3.3v, and i need to control a relay with atleast 5v in order to effect the coil.