$135

Description

I2C 4 Channel AC Dimmer Compatible With Arduino, Raspberry PI.
Works Worldwide AC voltages between 80V-240V. 50hz/60hz. Auto detection build in controller..
Engineered with High Efficiency and used high quality chip companenets.
Great Customer service. Reach us by your desertcart order number..

4 CHANNEL AC LIGHT DIMMER CONTROL VIA I2C PROTOCOL Compatible With Arduino, Raspberry PI Only 4 wires are needed to control this board ! DEVICE FEATURES: Compatible with any microcontrollers Dimming method - leading edge Current per channel - up to 3A AC Line autodetect function PCB dimensions - 140mm x 60mm Distance between holes: vertical 51mm, horizontal 131mm ing holes diameter: 3.2mm 100kHz I2C bus interface I2C bus pull up switch on board I2C device address select switch on board 50HZ LED - show detected AC 50HZ Line 60HZ LED - show detected AC 60HZ Line BOTH LED Flashing - AC Line not detected Microcontroller on-board. No programming required!!! PCF8574 is used as I2C buffer SDA and SCL I2C pull up switch (pull upped with 5.6k resistors) I2C Device Address select switch Table in images show device addresses. Default address - 0x27 or 0x3F I2C-Bus Address scanner - Ard demo sketch for I2C Slave address 0x27 - ; Ard demo sketch for I2C Slave address 0x3F - How to control board via I2C protocol? Only with 3 bytes! Please see images Note: I recommend to use a EMI filter with this device. Connect it before AC INPUT. This board have pull-up switch for SDA and SCL lines. I2C-bus must be always pull-ups. If you use more than one device on I2C-bus - one device must be pull-ups and others not.

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4 Channel I2C AC Dimmer Light Bulb Smart Home for Arduino and Raspberry 110V 220V 50hz/60hz for IOT Projects

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