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STD ESP32-S3 (WROOM) Dev
ESP32-S3 (WROOM) Dev
License
Public Domain
License: Public Domain- 15
Update time：
2024-07-27 19:13:30
Creation time：
2021-11-17 15:25:06
Description
Description
Breadboard friendly dev board for ESP32-S3-WROOM-1 modules
- 4 layers
- 37uA current in deep sleep (using ESP-IDF deep sleep example)
- Voltage regulator maximum output current: 1000mA
- PMOS for reverse polarity protection on VIN
- Flashing through USB port works without seperate USB to UART IC
- Arduino IDE compatible pin names for I2C and SPI
See https://oshwlab.com/Miraculix200/esp32-s3-mini for a 2 layer board circuit with lower current consumption
You may have to use RX/TX pins when flashing it for the first time. Connect GPIO 0 to GND to flash it. After that, when selecting "Hardware CDC and JTAG" mode in Arduino IDE, flashing over USB works without pulling GPIO 0 to GND.
Should work with all versions of the ESP32-S3-WROOM-1, but some pins will not be useable on 8MB PSRAM versions
Names next to the pin numbers were taken from the Espressif Arduino IDE repository (the pictures show a previous version of the silkscreen, ignore)
Design Drawing
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 10u | C1,C9,C10 | C0805 | 3 |
| 2 | 100n | C2,C6 | C0603 | 2 |
| 3 | 1u | C5 | C0603 | 1 |
| 4 | 22p | C7,C8 | C0603 | 2 |
| 5 | SS14L RFG | D1 | SUB-SMA_L2.8-W1.8-LS3.6-RD | 1 |
| 6 | HDR-M-2.54_1x2 | J1,J2 | HDR-M-2.54_1X2 | 2 |
| 7 | HDR-M-2.54_1x9 | J3,J4 | HDR-M-2.54_1X9 | 2 |
| 8 | HDR-M-2.54_1x8 | J5,J6 | HDR-M-2.54_1X8 | 2 |
| 9 | 3x6x2.5mm | KEY1 | KEY-3.0*6.0 | 1 |
| 10 | 600Ω | L2 | L1206 | 1 |
| 11 | AO3401A | Q2 | SOT-23_L2.9-W1.3-P0.95-LS2.4-BR | 1 |
| 12 | 10k | R1 | R0603 | 1 |
| 13 | 1k | R5 | R0603 | 1 |
| 14 | ESP32-S3-WROOM-1 | U2 | ESP32-S3-WROOM-1 | 1 |
| 15 | XC6220B331PR-G-HANDSOLDER | U3 | XC6220B331PR-G-HANDSOLDER | 1 |
| 16 | LED-0805_B | USB1 | LED0805_BLUE | 1 |
| 17 | U213-051N-4BH82 | USB2 | MINI-USB-SMD_U213-051N-4BH82 | 1 |
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