Tagged Questions
0
votes
0answers
67 views
Safe approach for 120v power box w. 2x Dimmable outlets?
I'm looking to create a 4 outlet AC box (2 of which dimmable by arduino) and am intending the merge these two tutorials.
Although i'm not a certified electrician I do have experience with home ...
1
vote
0answers
100 views
Lighting relay(?) with 220V leakage insensitive coil
Existing staircase lighting time-automat can not use 220V neon mini-bulb or LED lighted make-contact buttons. - These convenient buttons cause it t false-start (as if pressed) due to their ...
1
vote
0answers
117 views
Control DC circuit with an AC lock switch
I am currently adding circuit with a horn and some lights powered by a motorcycle battery. The circuit should be using about 12v 18A. What I want to do is control the circuit with a lock switch. I've ...
1
vote
1answer
190 views
Simple AC line state detection for digital controller input
Last year I moved into a house that has an old ('50s-'70s vintage) GE low voltage lighting control system. It uses 24VAC momentary wall switches to toggle solenoid/latch relays that feed 12 main ...
5
votes
2answers
153 views
What is the difference between VA and W for a relay
I am trying to choose a relay to control a compressor.
The compressor alimentation is 230V (50Hz), the max intensity is 0.9A and the power needed is 130W.
Then i found two relays: the ALD112W and ...
0
votes
2answers
179 views
AC control coil relay
Is there a type of relay where the control coil can operate from a 220/240 VAC signal? I don't want to convert my existing signal from AC to DC. Are there any special search techniques to find parts ...
0
votes
1answer
336 views
How to operate tube-lights using relays
I am using the circuit mentioned in one of the articles of EFY (Ref.) .I have added the freewheeling diode across the relay, and I am able to turn On/Off bulbs as well as CFLs successfully.Now I want ...
2
votes
2answers
389 views
measuring current drawn from a 3-phase AC induction motor using a digital circuit
My background:
I have some experience with digital circuits and microcontroller programming but no prior experience with or knowledge of industrial equipment like motors/pumps. All in all, a ...
3
votes
2answers
545 views
Micro-controller - Detect If AC Device Plugged In / Drawing Current from a Relay
So now i have a DC relay being controlled by a microcontroller that turns an AC device on/off using a control line from the microcontroller being fed into a transistor to provide the necessary current ...
1
vote
1answer
298 views
Wiring of mains AC through relay
Is it correct that if I would like to control 4 AC appliance/lighting power points, then the AC-Live wire is put through the relay, and a common AC-Neutral is used ?
