1/16/2024 0 Comments Touch sensor output bouncing![]() ![]() There are several methods to reduce the bouncing which includes hardware and software methods: Hardware solution: ![]() The reason for concern is that the time it takes for contacts to stop bouncing is measured in milliseconds. But, if you are using a switch or relay as input to a digital counter, a personal computer, or a microprocessor-based piece of equipment, then you must consider contact bounce. Oscillator output for contact bouncing is shown below:īouncing is not at all a problem if you are using a contact switch to turn on a fan or lamp. When the lamp is turned ON, the switch starts bouncing which results toggling the lamp which means for a small time the lamp continues to be ON and OFF frequently. To understand the bouncing, consider if an incandescent lamp controlled by a contact switch. The same can happen in reverse action while the switch is in normally closed and actuating to open, this effect is called contact debouncing. ![]()
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