Hs3-arduino
About the Hs3-arduino PCB
Hs3-arduino is an open source ESP32 PCB design by hs3city, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 68.6 × 53.3 mm, with 31 components from 22 distinct parts.
Its main chip is the ESP32-WROOM-32E, from the ESP32 family. Other key parts include the AMS1117-3.3. By type, the board carries 20 connectors, 6 capacitors, 2 ICs and 1 resistor.
It belongs with the displays & leds designs in this gallery.
From the project
- 16mm MDF on the bottom - a layer of white cardboard - 5mm transparent plexi
Main components on the Hs3-arduino
Hs3-arduino bill of materials (BOM)
31 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | ESP32-WROOM-32E | ESP32-WROOM-32E | U2 |
| 1 | Conn_01x02 | TerminalBlock_TE_282834-2_1x02_P2.54mm_Horizontal | J1 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_GCT_USB4085 | J2 |
| 1 | Serial | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | LED Data | JST_XH_B1B-XH-AM_1x01_P2.50mm_Vertical | J4 |
| 4 | I2C Header | JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | J5, J6, J7, J8 |
| 1 | Power | Socket_Strip_Arduino_1x08 | P1 |
| 1 | Analog | Socket_Strip_Arduino_1x06 | P2 |
| 1 | Power | PinHeader_1x08_P2.54mm_Vertical | P3 |
| 1 | Analog | PinHeader_1x06_P2.54mm_Vertical | P4 |
| 1 | Digital | Socket_Strip_Arduino_1x10 | P5 |
| 1 | Digital | Socket_Strip_Arduino_1x08 | P6 |
| 1 | Digital | PinHeader_1x10_P2.54mm_Vertical | P7 |
| 1 | Digital | PinHeader_1x08_P2.54mm_Vertical | P8 |
| 4 | CONN_01X01 | Arduino_1pin | P9, P10, P11, P12 |
| 1 | Boot Option | SW_SPST_B3U-1000P | BOOT1 |
| 1 | Reset | SW_SPST_B3U-1000P | RST1 |
| 2 | 22uF | CP_EIA-3528-12_Kemet-T_Pad1.50x2.35mm_HandSolder | C1, C2 |
| 1 | 10u | C_1206_3216Metric | C3 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 100nF | C_1206_3216Metric | C4, C5, C6 |
| 1 | 10k | R_1206_3216Metric | R3 |
Hs3-arduino design files
The KiCad project lives in the hs3city/cyberskakanka repository on GitHub; these links point at the commit this page was built from.
Hs3-arduino: common questions
What microcontroller does the Hs3-arduino use?
The Hs3-arduino is built around the ESP32-WROOM-32E, from the ESP32 family.
How big is the Hs3-arduino PCB?
The Hs3-arduino measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Hs3-arduino?
31 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Hs3-arduino design files?
From the hs3city/cyberskakanka repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Hs3-arduino design in my own project?
Yes, under the terms of its Apache-2.0 license, which hs3city chose for the repository.
Can I test firmware for the Hs3-arduino without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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