Normally these speed sensors work with radar or laser technology to bounce back radio waves or IR ... Arduino UNO and is not shown in the above circuit diagram. In the below image, you can see the ...

Created a touchless ... 1 x Push Button Switch 1 x Arduino Nano R3 (or ESP8266) 1 x 8x8 Led Matrix with MAX7219 IC 1 x Step Up Power Module [MT3608] 1 x IR Sensor 1 x AA Battery Holder and Batteries ...

So protection from coronavirus at the entrance (doorbell switch) is necessary. So here in our proposed project, we designed and implemented a Corona Protected Automatic touchless Doorbell using ...

2 shows the block diagram of the touchless doorbell circuit while Fig ... astable multivibrator (built around pins 8 through 13), which is used to drive the IR sensor circuit, and the other as a ...

Electronics enthusiasts or tattoo artists may be interested in a new touchless switch which ... see how the an Arduino development board has been used together with a distance sensor to trigger ...