All Questions
6
questions
1
vote
2
answers
970
views
TRIAC dimming using MOC3021 with two or more lights are connected, in off condition lights is some blow
In this dimming circuit I'm using BTA41/BTA16/BTA39 and MOC3021.
There is 1 light is dimming is running smoothly, but when 2 or more light is connected, in off condition lights are blowing dim. Where ...
- 69
2
votes
1
answer
1k
views
Help for voltage is being passed trough load, even triac is OFF condition
We are using below circuit for home automation. We are facing problem when 5v battery is not passing to the circuit,but even 1 volt is being passed trough load, even triac is OFF condition.. Please ...
- 21
0
votes
1
answer
629
views
IC controlled triac dimmer design, zero crossing detection and inductor sizing [closed]
I'm trying to create a dimmer that uses an IC to control the triac firing. My understanding is that I need a random phase optocoupled triac driver. However I need to know when the zero crossing is on ...
- 9
1
vote
1
answer
1k
views
Triac connected CFL or Incandescent bulb or Electronic ballast tubelight FLASHES
I am building a triac based dimming circuit.
Everything is working fine.
The problem which I am facing is when I turn on or off any appliance (NOT CONNECTED TO TRIAC) in my any other room, the CFL ...
- 119
11
votes
4
answers
22k
views
TRIAC dimmer, circuit design help (resistive load)
Okay guys, I've been tasked with making a light-dimming control system for a 240V heat lamp dissipating around 250W. I need to adjust the heat output on the lamp by control from a microprocessor.
I'm ...
- 976
11
votes
4
answers
40k
views
Digital Dimmer With Microcontroller
I want to build a digital dimmer for resistive Loads.
I have found this circuit for that:
The input voltage is 220VAC 50Hz.
The red box in the picture is for ...
