UPDATE !! UPDATE !! April 2017 UPDATE !! UPDATE !!
Full Raspberry PI + Domoticz Tutorial, detailed Youtube video included
How to setup and drive directly your MPDMv4 AC dimmer board using the PWM signal provided by the RPi Board thru the onboard gpio extension header:
December 2016 UPDATE !!
Added new software examples:
ESPEasy Firmware Series:
From 10 Aug 2016 only the new MPDMv4.1.3 will be shipped (see new pictures above). It brings no difference for the standard user from the functional point of view, more a PCB redesign release that ease the testing & calibration in the manufacturing testing phase.
WARNING!! You will play with LIVE MAINS!! Deadly zone!!
If you don't have any experience and are not qualified for working with MAINS electricity I will not encourage you to play around!. The author take no responsibility for any injury or death resulting, directly or indirectly, from your inability to appreciate the hazards of household mains voltages.
The design was done to meet standard Household MAINS electrical lines rules and regulations but there is no guarantee that this design meets any Rules which may be in force in your country so please check before usage your local rules/regulations.
A MAINS Power Dimmer/Switch with integrated Phase detection and ZCD (Zero Crossing Detection) processing. It is Triac driven and intended to be used for lighting control. Tested and working ok with standard lightbulbs (incandescent lamps or the new Halogen ECO). For LED or fluorescent lights you need to check first that they are dimmable units.
Designed and tested for EU MAINS 240V/50Hz but working also OK on US 110/60hz.
The idea behind was to create a Universal MAINS Power Dimmer that is easy to be used with lighweight IOT applications processors/MCU/SOC as ESP8266 for example or even RASPBERRY PI Boards. It is A Vcc=3.3V friendly device!
You Don't need to do ANY kind of ZCD processing on your application processor/SOC, Arduino/ESP8266/whaterever MCU you might use out there these days!! All the proper Zero Crossing Detection and processing functions are done driver side, onboard!
It's a Voltage/PWM controlled device, that means you just need 1 PIN to provide a PWM signal or a 0-3V voltage from a DAC for a smooth, accurate and precise control. Even a Potentiometer is enough! no timing issues, no programming, no nothing!
Protected by FUSE and MOV as requested by the latest MAINS Safety Rules. To be used with proper EMI filter. Use a proper Heatsink for Triac, accordingly with your planned load power. For a standard house lightbulb can work without.
All components are brand new, coming from traceable sources and are properly tested before shipping.
For more details about MPDMv4 Universal AC Dimmer please read articles below:
Youtube Video list:
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