AC Dimmer 16A Load (24A Max), 3.3V/5V Logic

The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 600V 16/24A. In most cases, dimmers are used to turn the power ON/OFF for lamps or heating elements, which can also be used for fans, pumps, air cleaners, etc.

Dimmers have become an often-used decision for smart home systems. For example, when you need to smoothly change the light brightness. The lamp slowly turns ON or OFF, creating a comfortable atmosphere. Dimmers work most effectively with filament lamps. It’s less stable with low brightness dimmable LED lamps, but with moderate and high brightness it will perform a solid job. Note that luminescent lamps (gas discharge lamps) do not support dimming.

A power of the dimmer is isolated from the control part, to exclude the possibility of high current disruption to a microcontroller. The logical level is tolerant to 5V and 3.3V, therefore it can be connected to the microcontroller with 5V and 3.3V level logic. In Arduino, a dimmer is controlled with RBDdimmer.h library, which uses external interrupts and process time interrupts. It simplifies the code writing and gives more processing time for the main code. This is why you can control multiple Dimmers from one microcontroller. The dimmer is connected to the Arduino controllers via two digital pins. First (Zero) to control the passing of Phase Null of AC, which is used to initiate the interrupt signal. Second (DIM/PSM) to control (dim) current. Note that Zero requires connection to designated microcontroller pins (which are different depending on the model of Uno, Nano, Leonardo, Mega), since it is tied to the microcontroller interrupts.

Quick Spec

  • Power: up to 600V 16/24A
  • AC Frequency: 50/60 Hz
  • TRIAC: BTA16—600V / BTA24—600V
  • Isolation: Optocoupler
  • Logic Level: 3.3V/5V
  • Zero Point: Logic level
  • Modulation (DIM/PWM): logic level ON/OFF TRIAC
  • Signal Current: >10mA
  • For indoor and outdoor use
  • Operating Temperature: −20°C ~ +80°C
  • Operating Humidity: Dry environment only

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  • 1 x AC Dimmer 16A Load (24A Max), 3.3V/5V Logic


AC Dimmer 16A Load (24A Max), 3.3V/5V Logic

  • Brand: Robotdyn
  • Product Code: 6970622938262
  • Weight: 0.048kg
  • Product Status : Active
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock BB015
    Stellenbosch In Stock J5074 + J5079
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R185.00 (Inc Tax: R212.75)


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Tags: ac, light, dimmer, dim, module, switch, 3.3v, 5v, control, adjust, 24a, 16a