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Driving 5v Relay Module Using 3.3v - Instructables
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3.3V to 10V MOSFET Relay Module | 1 Channel, 20A/36V Max
Optoisolated Relay Modules - 3.3V - Various Configurations — PMD Way
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Omron single channel relay module - 5,5A/230VAC contacts - 3V coil Qwiic I2C - SparkFun COM-15093 Botland - Robotic Shop
![SOLVED] Transistor as switch - 3.3V to switch a 5V relay. - General Electronics - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/b/b/a/bbafe81f76515da5a4287863cd812443d544ce47.png "SOLVED] Transistor as switch - 3.3V to switch a 5V relay. - General Electronics - Arduino Forum")
SOLVED] Transistor as switch - 3.3V to switch a 5V relay. - General Electronics - Arduino Forum
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Relay module 1 channel, 3.3V, Low Level
3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino
1 Channel 3.3V Low Level Trigger Relay Module Optocoupler Isolation Terminal for Arduino
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