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Hello jagan mohan, Please go through the below link for testing document of all the periperals of rugged board. https://developer.ruggedboard.com/g1-getting-started/test-all-the-rb-interfaces-in-10-mins
eyboardInterrupt
root@rugged-board-a5d2x-sd1:~# ls
MQTTClient_publish aws.py d14e916d62-certificate.pem.crt env.sh led_blinky.py rtu.c
MQTTClient_subscribe aws1.py d14e916d62-private.pem.key ethernet.sh meterreading.py subscribe_publish_sample
RootCAs.crt cache.sh di.sh gprs.sh modpoll.bin
abc.txt certs digitalinput.sh huizhong.py modpoll.sh
root@rugged-board-a5d2x-sd1:~# echo 84 > /sys/class/gpio/export
-sh: echo: write error: Resource busy
root@rugged-board-a5d2x-sd1:~#
First command entered wrong, enter / before sys as below /sys/class/gpio/export
Hello jagan mohan, Please go through the below link for testing document of all the periperals of rugged board. https://developer.ruggedboard.com/g1-getting-started/test-all-the-rb-interfaces-in-10-mins