A tutorial on, how to make a touch control circuit using 555 timer ic, and a few other electronic components.
First, we place a breadboard and connect 5-volt power supply with it.
Now place triple five IC in the center, and connect 5 volts to pin 8 and ground to pin 1, connect a led with 220 ohm resistor, place two switches on the breadboard,
Connect the left switch with pin 2 and ground and connect the right switch with pin 6 and 5 volts. Mark the left switch with ON and the right with off text. Connect Led on output pin 3 of timer IC.
Circuit Diagram:
Components Required:
| Name | Quantity | Component |
|---|---|---|
| U1 | 1 | Timer |
| P1 | 1 | 5 , 5 Power Supply |
| D1 | 1 | Red LED |
| S1 S2 |
2 | Pushbutton |
| R1 | 1 | 220 Ω Resistor |
How it works:
When we connect trigger pin 2 with the ground the led turns on, and when we connect the threshold pin 6 with 5 volts the led turns off.
Applications:
- Light Switch
- Pump Switch
- Relay On/Off
