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can you suggest a schmitt trigger for my circuit?

singhrohan

@copilotcan you suggest a schmitt trigger for my circuit?

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is this a correct debounce circuit?

vasy_skral

@copilot is this a correct debounce circuit?

copilot

Based on your components and their connections, it looks like you're trying to create a debounce circuit using a Schmitt trigger (U1) and an RC network (R2 and C2). Let me walk through your connections and make sure everything aligns with a proper debounce circuit design:

Push-button switch (SW1): Typically, a debounce circuit can have the switch (SW1) connected as follows:
- One side of the switch is connected to ground (GND).
- The other side of the switch is connected to the input of the RC network and the Schmitt trigger.
Resistor (R2) and Capacitor (C2): These components form the RC network:
- $R_2$ and $C_2$ are used to create the desired time constant.
- One side of the resistor $R_2$ should be connected to the VCC (pull-up).
Schmitt Trigger (U1): This component helps to eliminate noise and provides a clean digital output:
- The input of the Schmitt trigger (U1:A) should be connected to the junction between $R_2$ and $C_2$ .
- The output of the Schmitt trigger (U1:Y) can be used as the debounced output.

Reviewing the connections:

SW1:
- Connect SW1:1-1 to R1:P2.
- Connect SW1:1-2 to SW1:2-2.
- Connect SW1:2-1 to $R_2$ :P1.
- Connect SW1:2-2, $R_2$ :P1, and U1:A.
Resistor $R_2$ (10kΩ):
- Connect $R_2$ :P1 to SW1:2-1.
- Connect $R_2$ :P2 to GND.
Capacitor $C_2$ (0.1uF):
- Connect $C_2$ :P1 to $R_2$ :P1 (node aligning SW1 and VCC).
- Connect $C_2$ :P2 to GND.
Schmitt Trigger U1:
- Connect U1:2 (A) to the junction of SW1:2-1, $R_2$ :P1, and $C_2$ :P1.
- Connect U1:3 (GND) to GND.
- Connect U1:5 (VCC) to VCC.
- U1:4 (Y) is your debounced output.

Connections Summary

Here is the detailed connection format:

Connect SW1:1-1 to R1:P2.
Connect SW1:1-2 to SW1:2-2.
Connect SW1:2-1 to $R_2$ :P1.
Connect SW1:2-2, $R_2$ :P1, and U1:A.
Connect $R_2$ :P2 to GND.
Connect $C_2$ :P1 to $R_2$ :P1.
Connect $C_2$ :P2 to GND.
Connect U1:2 to junction SW1:2-1, $R_2$ :P1, and $C_2$ :P1.
Connect U1:3 to GND.
Connect U1:5 to VCC.
The output U1:4 (Y) can be used as the logic output.

This arrangement ensures that when you press the switch, the capacitor charges through the resistor and the Schmitt trigger provides a clean, debounced signal at its output.

If you find any inconsistency or need more specifics, do let me know!

vasy_skral

is this a correct debounce circuit? answer yes or no

copilot

No.

Someone is typing...

Resistance

1kΩ

Capacitance

0.1uF

End of Life

SW1

VCC

Resistance

10kΩ

LED1

GND

Logic OUT

Resistance

1kΩ

VCC

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Project Name

Debounce circuit for switches

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Distributor	Qty 1
Digi-Key	$0.18–$0.42
LCSC	$0.77
Mouser	$0.65

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singhrohan / Debounce circuit for switches

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