Lev Petrushchak sabretus
sabretus
/ reed_switch.c
Created
May 11, 2019 10:31
— forked from rgl/reed_switch.c
connect arduino to a reed switch to read the water flow from a water meter
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| // this is for an arduino uno. | |
| // this was inspired by http://www.instructables.com/id/Arduino-Reed-Switch/?ALLSTEPS but | |
| // changed to use the arduino internal pull up resistor: | |
| // | |
| // +-----------------+ | |
| // | arduino GND -----reed_switch----\ | |
| // | | | | |
| // | 12 --------------------/ | |
| // +-----------------+ | |
| // |