# How to plug on-on switch to arduino **URL:** \ **Category:** General Guidance\ **Created:** [March 6, 2026, 4:45pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112 "2026-03-06T16:45:13Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 4:45pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/1 "2026-03-06T16:45:13Z")
i know theres like uncountable amounts in google but nearly all of them is different, i have a on-on switch with 3 pins (i dont know the exact model but its a spdt) ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 4:53pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/2 "2026-03-06T16:53:58Z")
In order for someone to be able to make an intelligent answer, they need to know what you want to do with your switch! You must have had some reason to get a spdt switch. ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 4:56pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/3 "2026-03-06T16:56:44Z")
esc motor on/off ---
**Author:** ![JCA34F](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/jca34f/32/340148_2.png) [@JCA34F](https://forum.arduino.cc/u/JCA34F)\ **Post date:** [March 6, 2026, 5:09pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/4 "2026-03-06T17:09:58Z")
Are you switching power to the ESC or an input signal to Arduino? ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 5:32pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/5 "2026-03-06T17:32:06Z")
arduino input ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 5:35pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/6 "2026-03-06T17:35:47Z")
Are you selecting either of two signals to connect to one Arduino pin? ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 5:48pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/7 "2026-03-06T17:48:34Z")
1 in on 1 is off so 1 signal ig? ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 5:51pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/8 "2026-03-06T17:51:42Z")
Sorry, English is much better to communicate with on this forum. ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 5:52pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/9 "2026-03-06T17:52:40Z")
sorry mb i meant "1 is on, 1 is off so 1 signal i guess" ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 6:02pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/10 "2026-03-06T18:02:32Z")
So just using the switch as an on-off switch. Why are you wanting the turn the signal on and off? ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 6:06pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/11 "2026-03-06T18:06:31Z")
dude i dont understand any of these i just need the wiring. i need to make this a normal switch like why need this much questions so theres info in group : switch is going to be connected to arduino switch is on-on but i need to make it on-off ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 6:09pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/12 "2026-03-06T18:09:20Z")
What do you get if you DO NOT connect anything to the other “on”side? ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 6:11pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/13 "2026-03-06T18:11:32Z")
what is the pins? like which is 5v, which is gnd and which is d(number) or a(number) ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 6:13pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/14 "2026-03-06T18:13:00Z")
> [@the\_class1cone](#): > > what is the pins? Make a drawing on paper for what you want to do. ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 6:17pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/15 "2026-03-06T18:17:22Z")
![image](https://europe1.discourse-cdn.com/arduino/original/4X/0/a/5/0a5dbf5bb9627123fdbaad1758d013151b0a2137.png) how to wire it? i just need that ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 6:20pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/16 "2026-03-06T18:20:30Z")
> [@the\_class1cone](#): > > how to wire it? i just need that Until you tell us what you want the switch to do, there is no way to tell you how to wire it. ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 6:21pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/17 "2026-03-06T18:21:56Z")
i said that. toggle switch for my esc post #3 "esc motor on/off" ---
**Author:** ![Paul\_KD7HB](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/paul_kd7hb/32/1127958_2.png) [@Paul\_KD7HB](https://forum.arduino.cc/u/Paul_KD7HB)\ **Post date:** [March 6, 2026, 6:23pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/18 "2026-03-06T18:23:02Z")
> [@the\_class1cone](#): > > i said that. toggle switch for my esc Where is your esc in the drawing you posted? ---
**Author:** ![the\_class1cone](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/the_class1cone/32/1260007_2.png) [@the\_class1cone](https://forum.arduino.cc/u/the_class1cone)\ **Post date:** [March 6, 2026, 6:27pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/19 "2026-03-06T18:27:59Z")
dude. is there any fricking thing with esc? i need wiring stop questioning me like higuruma LIKE THERES 3 PINS?! JUST TELL ME THE WIRING. LIKE FIRST PIN GOES TO A3 ETC. ---
**Author:** ![gilshultz](https://avatars.discourse-cdn.com/v4/letter/g/67e7ee/32.png) [@gilshultz](https://forum.arduino.cc/u/gilshultz)\ **Post date:** [March 6, 2026, 6:29pm UTC](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112/20 "2026-03-06T18:29:38Z")
The way you show the switch is it will short the Arduino when you switch it down. This can fry your Arduino in short order. Simple trick, draw a line through the lever and the pin it goes to is the pin that will be connected to the center terminal. You only need two connections to make it work. It makes a difference if it is power or signals you are switching. Others have asked, what do you want the switch to do? See @Paul_KD7HB @JCA34F At this point I highly recommend you do some tutorials on basic electronics. Check this one out, hopefully it is not to advanced for you: [Basic Electronics Tutorial](https://www.tutorialspoint.com/basic_electronics/index.htm) [Next page](https://forum.arduino.cc/t/how-to-plug-on-on-switch-to-arduino/1434112.md?page=2)