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by bmbouter
Tue Dec 10, 2019 1:22 am
Forum: Hardware
Topic: MTDI confusion on ESP32 Pico D4
Replies: 2
Views: 556

MTDI confusion on ESP32 Pico D4

I've been reviewing the esp32 Pico D4 (v4.1) and I am confused by two aspects of the reference schematic: https://dl.espressif.com/dl/schematics/esp32-pico-kit-v4.1_schematic.pdf 1. Correct value of MTDI strapping, pull-up or pull-down? The schematic shows MTDI connected to VDD33 via R23 which is la...

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