This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The PH4502C sensor is a ...
The device should now respond to esptool etc, and be programmable. Resetting the device may set it back to the broken program. I am using a SIM card from https://hologram.io/, with the Pilot (1MB) ...
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