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2.7 Toggle Left and Right

img_slide

The slide switch is a 3-pin device, with pin 2 (middle) being the common pin. When the switch is toggled to the left, the left two pins are connected together, and when toggled to the right, the right two pins are connected together.

Required Components

In this project, we need the following components.

It’s definitely convenient to buy a whole kit, here’s the link:

Name

ITEMS IN THIS KIT

LINK

Kepler Kit

450+

Kepler Ultimate Kit

You can also buy them separately from the links below.

SN

COMPONENT

QUANTITY

LINK

1

Getting to Know Pico W

1

BUY

2

Micro USB Cable

1

3

Breadboard

1

BUY

4

Jumper Wires

Several

BUY

5

Resistor

1(10KΩ)

BUY

6

Capacitor

1(104)

BUY

7

Slide Switch

1

Schematic

sch_slide

GP14 will get a different level, when you toggle the slide switch to the right or left.

The purpose of the 10K resistor is to keep the GP14 low during toggling (not toggling to the far left and not toggling to the far right).

The 104 ceramic capacitor is used here to eliminate jitter.

Wiring

wiring_slide

Code

Note

  • Open the 2.7_slide_switch.py file under the path of kepler-kit-main/micropython or copy this code into Thonny, then click “Run Current Script” or simply press F5 to run it.

  • Don’t forget to click on the “MicroPython (Raspberry Pi Pico)” interpreter in the bottom right corner.

  • For detailed tutorials, please refer to Open and Run Code Directly.

import machine
import utime
button = machine.Pin(14, machine.Pin.IN)
while True:
    if button.value() == 0:
        print("The switch works!")
        utime.sleep(1)

After the program runs, when you toggle the slide switch to the right, “The switch works!” will appear in the shell.