I got a remark from Johan because he found out that you have to disconnect the APC220 before uploading the sketch. I have added it to project page. https://swanrobotics.com/Wireless_Arduino
I got a remark from Johan because he found out that you have to disconnect the APC220 before uploading the sketch. I have added it to project page. https://swanrobotics.com/Wireless_Arduino