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GPIO
- raspi_-_get_gpio_demo.bash
#!/bin/bash # … ports="/sys/class/gpio/gpio21/value /sys/class/gpio/gpio21/value" # Schleife while [ true ] ; do for port in ${ports} ; do v=$(< ${port}) #echo "Debug: ${port} = ${v}" if [ ${v} = 1 ]; then echo "Pin an" else echo "Pin aus" fi done sleep 1s done