In this guide, we will create a simple and precise digital clock using the Raspberry Pi Pico RTC DS3231 Module through the Arduino IDE. We will use a 16x2 I²C LCD screen to display the information.
This repo can be used to setup RTC clock (DS3231). The sketch includes a simple AT based serial communication protocol that can be used to set the time. The solution can be embedded into existing ...
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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