

ED DEV BOARD
Ed Dev Board is a custom dev board featuring a Qwiic port powered by ESP32 S3 WROOM 1.
- Size
- 48.8 × 47 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 44
- Pads
- 126
- Tracks, vias
- 138, 45
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 17 Aug 2025
- Updated
- 18 Aug 2025
Overview
ED DEV BOARD is an open-source printed circuit board by bernininini, from the bernininini/ED-DEV-BOARD repository on GitHub. It is a 2-layer board of 48.8 × 47 mm with 16 parts on 44 nets, routed with 138 tracks and 45 vias.
It is built around the ESP32-S3-WROOM-1-N8 and AMS1117-3.3. Its parts include 6 resistors, 3 ICs and 2 switches. It belongs with the microcontroller boards boards and the ESP32 boards of this library.
Main components
2ESP32-S3-WROOM-1-N8
SMD,25.5x18mm-40℃~+85℃ -98.2dBm 2.4GHz 20.5dBm 355mA 3V~3.6V 95mA Bluetooth5.0 ESP32-S3 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi ModulesAMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdED-DEV-BOARD
The Ed Dev Board is a custom dev board featuring a Qwiic port and powered by the ESP32-S3 WROOM 1. A custom PCB to provide an easy access and accessible dev board for prototyping and electronics projects that minimize the wiring.
*Qwiic is a type of connecting system that uses the I2C protocol, that only uses 4 pins (VCC, GND, SDA, SCL)
Reference: https://www.sparkfun.com/qwiic
BOM:
| Reference | Qty | Value | Part Name |
|---|---|---|---|
| QWIIC1, QWIIC2, QWIIC3, QWIIC4 | 4 | port1 | Qwiic Port |
| R1, R2 | 2 | 5.1k | Resistor 0805 |
| R3, R4, R5, R6 | 4 | 10k | Resistor 0805 |
| SW1, SW2 | 2 | SW_Push | Push Button 6mm |
| U1 | 1 | ESP32-S3-WROOM-1 | ESP32-S3-WROOM-1 Module |
| U2 | 1 | AMS1117-3.3 | Voltage Regulator AMS1117-3.3 |
| U3 | 1 | ~ | USB-C Connector |
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | ~ | Connector_JST:JST_SH_SM04B-SRSS-TB_1x04-1MP_P1.00mm_Horizontal | QWIIC1, QWIIC2, QWIIC3, QWIIC4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric | R5, R6 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1, SW2 |
| 1 | clipboard:45bae117-7777-4586-beb2-2fac8ed524fa | ||
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | ESP32-S3-WROOM-1 | RF_Module:ESP32-S3-WROOM-1 | U1 |
| 1 | ~ | USB_C:USB-C-SMD_G-SWITCH_GT-USB-7010ASV | U3 |
Questions
How big is the ED DEV BOARD PCB?
It measures 48.8 × 47 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ED DEV BOARD use?
16 parts, built around the ESP32-S3-WROOM-1-N8 and AMS1117-3.3. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ED DEV BOARD KiCad files?
From the bernininini/ED-DEV-BOARD repository on GitHub, at the commit this page was made from: the board is MAIN/Main.kicad_pcb and its schematic MAIN/Main.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the ED DEV BOARD design in my own project?
Its repository states no licence, so its author keeps all rights: ask bernininini before reusing the design.
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