IoT hand tally counter
IoT hand tally counter is a new type of tally counter using Azure IoT technologies. It will be a replacement of traditional counter like this picture.
Device
IoT hand tally counter's base device is Rebutton which is simple button device with WIFI connectivity. Here is spec of Rebutton.
- MCU module: MXCHIP EMW3166
- Input: 1x Push button
- Output: 1x RGB led
- Extension: 1x I2C Grove connector (3.3V I/O)
- Extras: 1x Jumper switch, 1x SWD pads, 1x UART for debugging
- Power supply: 2x AAA Alkaline batteries (LR03)
- Internal supply voltage: 3.3V
- Dimension: 70mm70mm25mm