I need project like this:
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-Mini CMR with high and low users as well as generate QR for each user.
-Read QR from raspberry pi or similar (it could be worth a PC) in case it is correct and perform solenoid opening via GPIO
10 фрилансеров(-а) в среднем готовы выполнить эту работу за €294
Hi I'm an electronics engineer & pcb designer with 5 years experience. I can help you in this project. Please Send me a Private message so that we can discuss more about it. Thank you.