Example uses: Control the speed of a fan, drill, motor, etc. Dim lights. Control temperature using a heater. Brewing beer. Maintaining a set-point using AC, etc.
Triac rated for:
*RMS currents of higher than 8A will need external cooling like from that of a fan which can be plugged into the fan header.
Controls the amount of dimming based on an input voltage on the CTRL pin or a Pulse Width Modulation (PWM) signal.
[ Connections: ]
Choose the mode by using the 'Mode' pin:
Ground = Voltage Mode
3.3V / 5V = PWM Mode
For Voltage/Analog Mode (using a potentiometer- ie. variable resistor):
Voltage Amount of Dimming 0.00V - Vcc: 100% - 0% Dim (Based on 'CTRL' Voltage) Arduino Dimmer Board Breadboard CTRL 'wiper' (middle pin) of potentiometer 5V 5V First leg of pentiometer GND GND Other leg of potentiometer
Duty Cycle Amount of Dimming Arduino Code 0 - 5% 100% Dim (Fully OFF) analogWrite(0) to analogWrite(15) 5%-40%: 100% - 0% Dim analogWrite(15) to analogWrite(90) Greater than 40%: 0% Dim (Fully ON) analogWrite(90) to analogWrite(255) Arduino Dimmer Board 5V 5V 5V MODE GND GND Digital Pin 9 (PWM or any PWM pin) PWM
Github Repository Downloads:
Control using a HC-05 Bluetooth Module and an Arduino via an Android phone or tablet:
While high voltage systems are interesting experimentally, they can be dangerous, and if not treated with care, respect and intelligence, they can result in a fatal injury.
Daniel | Sept. 29, 2017
Miguel | June 28, 2017
Denver | Sept. 21, 2016
Lewis | July 3, 2016
Edward | Jan. 17, 2016
Jeff | March 10, 2015
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Electrical engineering student in Newfoundland, Canada. I enjoy bringing my ideas to life and understanding how things work. Designing circuits / product design is the field I would like to end up in after finishing my degree, whether that be consumer electronics, industrial, automotive, etc.