IR-based goal system for football tables
- 2x LTE4206 (emitters)
- 2x IR photodiodes + TL082 (detectors)
- 2x white LEDs (goal indicators)
- ATmega16 uC (measures the time of ball passing and sends the data over RS232)
Linux AVR tools chain:
apt-get install eagle avrdude gcc-avr avr-lib gtkterm
make
Serial communication runs at the speed of 115200 bps (8N1)
gtkterm --port /dev/ttyS0 --speed 115200 --bits 8 --stopbits 1 --parity none
- Diagnostic messages (with leading
#)
# Hi!
# Aug 7 2014 11:11:41
# avr-gcc v1.7.1 (20110216)
- Time measurements
!<detector ID>:<time in ms>
!1:124
!2:98