dialIndicatorToSerial

Arduino based digital dial indicator (caliper) logger

Usage:

1. connect your dial indicator (caliper) DATA and CLOCK outputs to analog inputs A0 and A1
2. run program on your arduino board
3. open the arduino port monitor and set baud rate to 115200

Tested on:

• arduino nano (atmega328)
• cheap Chinese digital dial indicator (12.7mm, 0.01mm precision)

UART Output:

$ minicom -b 115200 -D /dev/ttyUSB0

15052 ms 1.47 mm
15177 ms 1.52 mm
15302 ms 1.52 mm
15427 ms 1.83 mm
15552 ms -3.07 mm
...
18675 ms 0.1835 in
18800 ms 0.1820 in
18925 ms 0.1805 in
19074 ms 0.1780 in

Related materials

1. program is based on http://wei48221.blogspot.tw/2016/01/using-digital-caliper-for-digital-read_21.html
2. https://hackaday.io/project/511-digital-dial-indicator-cnc-surface-probe