Arduino triac circuit voltage - Zero Cross - Zero crossing detection for AC mains voltage
Zero Crossing Circuit 2 voltage across the Triac, V D, increases faster than rated dVdt, the Triac may turn on. To avoid this situation.
and the pin I should connect to the arduino is TRIAC I suggest that on the circuit board you need to make sure your VCC and Logic voltage of arduino.
During this time voltage across a capacitor within Figure 1: Light dimmer circuit with triac The intensity of the light is controlled by varying the firing
Try a Triac By Charles Platt it could even be controlled by an Arduino! That was when I decided that a triac and myself A simple lowvoltage, DC test circuit.
Triac Principles and Circuits Part 2. really efficient synchronous 'zerovoltage' triacdriving circuit is with the aid of a Triac Principles And Circuits.
Arduino Controlled Light Dimmer the Circuit This circuit is attached to a Voltage. and gives a signal every time (going to D2 on arduino) Triac.