Lai Quoc Bao
VIETNAM • + Follow
Description
Hardware Debouncer
Old school Hardware Debouncer, no more noisy and bouncy switches. Default debouncing time is 15ms, longer or shorter time can be achieved by switching the responding resistor/capacitor. The core of this board is the ancient Inverted Hex Schmitt-Trigger 74HC14
R1,3,5,7,9,... : 150 Ohm
R2,4,6,8,...: 15k Ohm
C1,2,3,...: 1uF
SOP14 IC: 74HC14
Schematic and Layout
Schematic.pdf
Mar 17,2025
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Hardware Debouncer
2 Layers PCB 20.3 x 39.9 mm FR-4, 1.6 mm, 1, HASL with lead, White Solder Mask, Black silkscreen
One simple and robust Hardware Debouncer to rule it all. No more Software fuss, no more delay() headache!
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Published: Mar 17,2025
Download Gerber file 3
BOM(Bill of materials)
Centroid file
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