HardLabs

ESP8266

agkaminski·ZAK181·extras/ESP8266/ESP8266.kicad_pcb

ESP8266 PCB layout, top view — open source ESP32 board by agkaminski
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About the ESP8266 PCB

ESP8266 is an open source ESP32 PCB design by agkaminski, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 20.3 × 25.7 mm, with 18 components from 13 distinct parts.

Its main chip is the ESP32-WROOM-32E, from the ESP32 family. Other key parts include the MAX3232 and AMS1117. By type, the board carries 7 capacitors, 3 ICs, 2 jumpers, 2 diodes, 2 resistors and 1 connector.

It belongs with the retro computing and keyboards designs in this gallery.

From the project

Improved ZAK180: DIY all-in-keyboard computer featuring Z180 and floppy drive.

- Z180 CPU, - 1 MB of static RAM, - 16 KB bootloader ROM, - Comact Flash slot in True IDE mode, - 16 bit GPIO user port, - 2 UARTs: USB-C and RS232, - AY-3-8912 sound, - 80x60 8-color text mode VGA output, - custom Cherry-MX mechanical keyboard, - USB-C powered.

Collection of useful datasheets, might be removed in the future.

Subrepository that contains a hardware project of a mechanical keyboard for the computer.

Main components on the ESP8266

ESP32-WROOM-32EMAX3232AMS1117

ESP8266 bill of materials (BOM)

18 components, 13 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ESP32-WROOM-32E
U1
1
MAX3232
U2
1
AMS1117
U3
1
DE9_RECEPTACLE
DE9_Receptacle
J1
1
~{CTS}
JP1
1
~{RTS}
JP2
1
BOOT
SW1
2
1N4148
D1, D2
3
10U
10u
C1, C2, C3
2
22U
22u
C4, C7
2
100N
100n
C5, C6
1
2K2
R1
1
3K3
R2

ESP8266 design files

The KiCad project lives in the agkaminski/ZAK181 repository on GitHub; these links point at the commit this page was built from.

ESP8266: common questions

What microcontroller does the ESP8266 use?

The ESP8266 is built around the ESP32-WROOM-32E, from the ESP32 family.

How big is the ESP8266 PCB?

The ESP8266 measures 20.3 × 25.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ESP8266?

18 components, from 13 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the ESP8266 design files?

From the agkaminski/ZAK181 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the ESP8266 design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

Can I test firmware for the ESP8266 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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