Questions tagged [button]
Please do not use this tag. Use a "switch" tag instead
444 questions
1 vote
2 answers
117 views
Correcting flaws in this 555 module for a timer
I want to simulate a push button with a little circuit. I'm using an IC 555 as a timer. The button is in another circuit (different device), pin A has 2.4 V and pin B is GND, it does activate if I ...
- 409
0 votes
2 answers
134 views
How can I make acremote push button control for this interlocked circuit?
I have the circuit in the picture of a pushbutton interlock on a test bed setup that I'm experimenting with. I was hoping someone to show me how I would go about making another set of push button ...
- 13
2 votes
2 answers
852 views
Why do my pull-up resistors not work? [closed]
I am new to electronics and I am trying to build RGB LED which can be controlled with buttons. Each button toggles red, green and blue value respectively. I am stuck with buttons, I am trying to make ...
0 votes
2 answers
97 views
How to Connect Buttons in a DIN Rail Box Without Using a Second PCB?
İmage from https://www.altinkaya.com/web/content/287481?download=true I want to use DIN rail-type boxes for my PCB design. There are three buttons on top of the box, but they are about 40mm away from ...
- 1,255
2 votes
2 answers
143 views
Capacitor for push on / off power button in MCU circuit
I am building a battery-powered circuit which has an ESP32 microcontroller. I have a push on / push off button which should connect and disconnect the battery from the device as below. BAT + and BAT - ...
- 201
0 votes
1 answer
136 views
Checking the correctness of the connection of the STM32L010F4P6
Here is such a scheme, I added the selection of BOOT0 via a jumper, put a resistor on this pin according to the datasheet, I did not put an external oscillator 32.768 kHz on the pins PC14 and PC15 ...
- 27
-2 votes
2 answers
202 views
Swithching a control ON/ OFF with a single push button and using the same push button as controller Input
I have attached a reference schematics. The idea is to push the button (SW1) to turn the controller ON (via VCC I suppose), and when it is ON, the button can be used as Input to the controller. If the ...
- 19
0 votes
1 answer
150 views
micropython pyb module not found
I want to debounce a button in micropython and found this page on the micropython docs: https://docs.micropython.org/en/latest/pyboard/tutorial/debounce.html It uses a library called pyb but my ...
- 349