anatolykopyl/longboard-speedometer
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# longboard-speedometer # longboard-speedometer
A simple arduino based longboard speedometer. A simple Arduino based longboard speedometer.
![The thing assembled](https://imgur.com/yaxvWGg.png)
### Part list: ### Part list:
* [Arduino pro mini](https://ru.aliexpress.com/item/1pcs-lot-Pro-Mini-Module-Atmega328-5V-16M-with-Arduino-Compatible-With-Nano/32672852945.html) * [Arduino pro mini](https://ru.aliexpress.com/item/1pcs-lot-Pro-Mini-Module-Atmega328-5V-16M-with-Arduino-Compatible-With-Nano/32672852945.html)
@@ -10,4 +12,18 @@ A simple arduino based longboard speedometer.
* [Reed switch](https://ru.aliexpress.com/item/Reed-sensor-module-magnetron-module-reed-switch-magnetic-switch-for-arduino/32818692044.html) (Although I recommend getting a hall sensor instead) * [Reed switch](https://ru.aliexpress.com/item/Reed-sensor-module-magnetron-module-reed-switch-magnetic-switch-for-arduino/32818692044.html) (Although I recommend getting a hall sensor instead)
* 2 state switch 14 x 9 mm * 2 state switch 14 x 9 mm
* [Magnet](https://ru.aliexpress.com/item/10Pcs-Mini-Small-N35-Round-Magnet-5x1-6x3-8x3-10x1-10x2-12x2-mm-Neodymium-Magnet-Permanent/32997030821.html) * [Magnet](https://ru.aliexpress.com/item/10Pcs-Mini-Small-N35-Round-Magnet-5x1-6x3-8x3-10x1-10x2-12x2-mm-Neodymium-Magnet-Permanent/32997030821.html)
* Something to program the arduino with * Something to program the Arduino with
### Useful pics
![](https://imgur.com/iamUAbG.png)
![](https://imgur.com/6xkXCU7.png)
| Pin connections||
|-----------------|--------------------------------|
| pin 2 - pin 7 | top row of the display pins |
| pin 12 - pin 17 | botton row of the display pins |
| pin 10 | sensor data |
| ACC | sensor VCC |
| GND | sensor GND |
| VCC | power + |
| GND | power - |