HardLabs

CaiPad25 ESP32

Luminat3·CaiBoard·CaiPad16_ESP32/CaiPad25_ESP32.kicad_pcb

CaiPad25 ESP32 PCB layout, top view — open source ESP32 board by Luminat3

About the CaiPad25 ESP32 PCB

CaiPad25 ESP32 is an open source ESP32 PCB design by Luminat3, published on GitHub. It is a 2-layer board measuring 118 × 88.4 mm, with 18 components from 3 distinct parts.

Its main chip is the ESP32_DevKit_V1_DOIT, from the ESP32 family. Other key parts include the NRF24L01_Breakout. By type, the board carries 16 switches and 2 ICs.

From the project

A repo for my pcb

Main components on the CaiPad25 ESP32

ESP32_DevKit_V1_DOITNRF24L01_Breakout

CaiPad25 ESP32 bill of materials (BOM)

18 components, 3 distinct parts.

QtyPartRefs
1
ESP32_DevKit_V1_DOIT
U1
1
NRF24L01_Breakout
U2
16
Keyswitch
S1, S2, S3, S4, S5, S6, S7, S8 +8

CaiPad25 ESP32 design files

The KiCad project lives in the Luminat3/CaiBoard repository on GitHub; these links point at the commit this page was built from.

CaiPad25 ESP32: common questions

What microcontroller does the CaiPad25 ESP32 use?

The CaiPad25 ESP32 is built around the ESP32_DevKit_V1_DOIT, from the ESP32 family.

How big is the CaiPad25 ESP32 PCB?

The CaiPad25 ESP32 measures 118 × 88.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the CaiPad25 ESP32?

18 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the CaiPad25 ESP32 design files?

From the Luminat3/CaiBoard repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the CaiPad25 ESP32 design in my own project?

The repository has no license, so all rights stay with Luminat3. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the CaiPad25 ESP32 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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