Arduino 5v relay pinout Feb 2, 2023 · I have small knowledge about electronics in general, my question is how to measure the current used by switching operation on relay ? where should I put my (+) probe and (-) probe ? Correct me if I'm wrong, I break the 5V to VCC connection then, I connect my (+) probe to the 5V of arduino then, I connect my (-) probe to the VCC pin of Relay then, I jump ground to the IN pin of Relay Learn how to use relay with ESP32, how relay works, how to connect relay to ESP32, how to code for relay, how to program ESP32 step by step. Jan 15, 2019 · By the end of this tutorial, you should be able to control any electronics appliances with your Arduino using a relay module. The code essentially involves setting up the pin connected to the relay module as an output and then toggling this pin HIGH or LOW to turn the relay on or off. The relay is powered by the Arduino's 5V output and is triggered by a digital signal from pin D7 of the Arduino. A LED is easy enough, but large power items such as light bulbs, motors, pumps or fans required more sneaky circuitry. While using external supply common ground terminals should be connected to the module and the Arduino. Introducing the Relay Module. Relay 3 - pin 8. The Songle SRD-05VDC-SL-C relay is a commonly used relay in electronic circuits. The following figure shows the pinout diagram of dual-channel relay module: Pin Configuration. fmltxr foqc wyw sgygzq zoihkze gkypw zzy pld igtrzpl seyse