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ESP32-WROOM-32E Reference Design mEJA
Properties
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Arrow | $5.73–$6.43 |
Digi-Key | $3.76–$16.54 |
LCSC | $8.92–$9.66 |
Mouser | $8.07 |
Verical | $5.69–$5.87 |
Controls
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Table
pxrv
copilot
- Connect U4:VDD to
- Connect U4:VDDIO to
- Connect both U4:GND pins (1 and 7) to
Interface Connections+3V3.+3V3.GND.- Connect U4:CSB to a GPIO pin on your ESP32-WROOM-32E that you'll configure as a chip select $CS$.
- Connect U4:MOSI to a corresponding MOSI pin on your ESP32, perhaps U2:IO23 $GPIO23$.
- Connect U4:MISO to a corresponding MISO pin on your ESP32, such as U2:IO19 $GPIO19$.
- Connect U4:SCK to a SCK pin on your ESP32, like U2:IO18 $GPIO18$.
Final connection format: