esp8266 - Can I use a 3.3v GPIO to control an opto-isolated 5v relay

Arduino 4 Relay Module Schematic

2 channel relay board How to control optocoupler and relay by using microcontroller

5 volt 4 channel arduino relay module example Relay optocoupler circuit arduino module microcontroller schematic opto diode transistor optocoupleur roue 220v relais separate teachmemicro Schematic relay module diagram lights step hobbyist nz arduino

4 relay module | Hobbyist.co.nz

Arduino relay opto schematic wiring board channel diagram module vcc jd connection mega 2560 isolated am edit last use here

Relay arduino interfacing code microcontrollerslab

4 relay moduleRelay module interfacing with arduino code and circuit diagam Arduino relay module connection tutorialRelay module 5v channel sunfounder principle.

Relay module channel arduino code fritzing 1channel program osoyooArduino relay module 5v connection circuit ky dc connections Arduino 4 relay moduleRelay arduino circuit board shield uno diagram project control ethernet automation using module schematic 5v channel 3v opto isolated gpio.

relay module interfacing with arduino code and circuit diagam
relay module interfacing with arduino code and circuit diagam

Arduino 5v relay module ky-019

Control up to 65,280 relays with your arduino!Arduino relays control wiring projects relay board expander io hackster wifi circuit diagram pi diy cc use create microprocessors robotics Arduino module channel relay board example volt connect schematic code control connected realy lightbulb device shown shows only2 channel 5v relay module.

Relay module interfacing with arduino code and circuit diagamRelay schematic schema electrica releu comutator pcb conectare doua canale connection Arduino lesson – 1-channel relay module « osoyoo.comRelay arduino connection module circuit interface tutorial.

Arduino lesson – 1-Channel Relay Module « osoyoo.com
Arduino lesson – 1-Channel Relay Module « osoyoo.com

Interfacing microcontrollerslab

.

.

Arduino Relay Module Connection Tutorial
Arduino Relay Module Connection Tutorial

2 Channel 5V Relay Module - Wiki
2 Channel 5V Relay Module - Wiki

How to control optocoupler and relay by using microcontroller
How to control optocoupler and relay by using microcontroller

Control Up to 65,280 Relays with Your Arduino! - Hackster.io
Control Up to 65,280 Relays with Your Arduino! - Hackster.io

4 relay module | Hobbyist.co.nz
4 relay module | Hobbyist.co.nz

relay module interfacing with arduino code and circuit diagam
relay module interfacing with arduino code and circuit diagam

2 Channel Relay Board - Electronics-Lab.com
2 Channel Relay Board - Electronics-Lab.com

esp8266 - Can I use a 3.3v GPIO to control an opto-isolated 5v relay
esp8266 - Can I use a 3.3v GPIO to control an opto-isolated 5v relay

Arduino 4 relay module
Arduino 4 relay module

5 Volt 4 Channel Arduino Relay Module example - Arduino Learning
5 Volt 4 Channel Arduino Relay Module example - Arduino Learning