bobriciusNew boards ordered.
Features:
- AtsamD21E18 - arduino zero compatible
- DS3121 with backup battery.
- Micropython support
- 5x22 LED display from this project charlieplexed-matrix-display
- USB for upload firmware
- Power switch
New V2 boards ordered (ARM SAMD21)
A project log for DIY GSM arduino FR4 cell phone
Simple gsm phone with 22x5 LED display, 16 keys, atsamd21, and sim800l module, QI charging
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