RPi 34.0 - Hall Effect Tachometer (4K)

A raspberry pi micro-computer tachometer using a Hall Effect Sensor / Switch. The program uses interrupts to check for a change in the magnetic field around the sensor.
MATERIALS:
- Part number: Hall Effect Sensor KY003, Sense-1776 (Gravitech). Pins:
1) Ground
2) VCC (I use 3 volts to be compatible with the RPi)
3) Sense
- LED
- Raspberry Pi
- Jumper wires
WARNINGS: With electricity there is always the risk of burns, fire, shock, electrocution, etc. If you miswire your RPi you will ruin it and its
accessories. Information is offered "as is", you are solely responsible for its use. If you do not know, learn first or do not do it.