Hello,
how can I connect a module to a 3.3-volt board like Arduino Due or ESP boards, and do I need a logic level shifter for SPI or not?
Also what steps should I take for voltage levels UR and UA?
Regards
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- 13 May 2024 21:20
- Forum: Lambda Shield for Arduino
- Topic: 3.3V Usage
- Replies: 1
- Views: 1792