All Questions
14
questions
0
votes
1
answer
22
views
Relay circuit for DC LED strips switch
Is this schematic OK for 24 V UVC light control via 5 VDC relay?
1
vote
0
answers
44
views
Pond auto top-up project switch failure issues
I am installing a system to top up my pond when the water level drops below a certain level using a solenoid valve. I decided on 3 float switches - low level switch starts the filling, upper level ...
- 11
0
votes
1
answer
2k
views
How to wire a 6-pin relay?
I have the relay described in this datasheet. I have the z-type. It has 6 pins on the bottom.
I want to control this relay with an Arduino device and all it has to do is work like a switch.
simulate ...
- 4,145
-1
votes
1
answer
287
views
Using two USB 5V sources to toggle a AC relay for a hibernating computer w/ high phantom load
I have a PC w/ a great processing-to-power-consumption ratio, however its idle consumption and power-off power draw (phantom load) is far from ideal. I could use an external switch to manually toggle ...
- 1
0
votes
0
answers
92
views
DC on-load switch (with overload and short circuit protection)
I have an application where I shall switch a DC load ON and OFF (with DC input), but have also to provide overload and short circuit protection. Switching voltage is 400VDC and the load is 2KW.
I need ...
1
vote
1
answer
200
views
Load sensing relay/power switch/adapter which switches on when it detects some load on its input
Complete newbie here. I'm not using the right terms, so my apologies in advance.
The problem is simple. I want my powered computer speakers (2.1) to turn off when the computer is turned off. I have ...
- 21
13
votes
2
answers
23k
views
Using TP4056 module to charge battery while load remains connected
I need a circuit that utilizes the tp4056 breakout board to power a NodeMCU ESP like so:
tp4056 USB port connected: 18650 battery charging and NodeMCU running of USB
tp4056 USB port not connected: ...
- 179
-3
votes
1
answer
66
views
connecting light
I quickly drew up the lights I wanted to install and connect to two relay and be controlled with one switch. I want the lights on both relays to turn on with the switch. Would the way i drew it work ...
0
votes
2
answers
396
views
Electromechanical or Solid State Relay Low Duty Cycle 1/2 HP Motor
i'm hoping someone can help me decide the best relay (in my scenario) for controlling a 1/2hp inductive load from 110-120v motor. I've spent numerous days researching this and hoping someone with more ...
- 103
0
votes
1
answer
346
views
Relay's maximum rating current and voltage
I'm looking at this Form C relay: IXYS LCC110
Its max load current is 120 mA and max voltage is 350 VDC. My question may be dumb, but can I use this relay to safely control a load that is only 5V but ...
- 59
4
votes
2
answers
4k
views
Using an AC relay for DC switching, safe limits
I have an relay that's rated for a 250VAC, 16A load.
Would it be possible to also use the same relay for say a 25VDC, and less than 1A load?
From here,
relay power ratings - AC vs DC
,
it seems to ...
- 713
1
vote
2
answers
880
views
Java/Arduino Controlled 120VAC Power Outlet
I'm working on a project with an end goal of controlling a power outlet with a Java program. Currently, I have the relay wired to outlets, a 3 prong 120 VAC plug, and my Arduino. Everything works as ...
1
vote
1
answer
107
views
Electric load - Switching vs Continous
My realy says "Switching up to 16A (max. 3680 W / max. 2500 W continuous)". Does this really mean I should not have it connected to loads over 11A, in a 230V system?
What would be an example of ...
- 65
1
vote
2
answers
668
views
Different design in relay load connections
(I know, relay are drawn in the wrong way, NO contacts should be in serie with load, I'll fix it ASAP)
When I have to build a board to switch many devices (mains powered), I always use a single "...
- 3,508