This Widora-air development board is the perfect platform to use this ESP32. It offers fingerprint and header csamll for convenient use on bread plate, or directly, a micro USB plug, automatic discharge / debug capabilities / Log thanks to the new USB-UART High Bridge from Silicon Labs CP2104. An automatic restart circuit makes programming with Arduino and other IDE a breeze. PCB design has been well optimized in its current version 4.0, all the IOs are broken. The plate has its own 3.3 V LDO, two keys and two LEDs.Low footprint of 61.6x17.7mm (2428x700mil).
Details:
ESP32 240 MHz
3.3 V LDO regulator on board
CP2104 USB UART bridge
On-board restart circuit for automatic programming
Unfortunately I havent tested the 5G, Only difficult part was connecting antennas. But everything is good, by default it runs on Qualcom's QMI mode, Had to switch to MBIM and it works good with Windows. Planning to run with OpenWRT soon.
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