2 layers80.6 × 29.2 mm Brain, the printed circuit board in 3D

Brain

Reverse Engineering and Engineering of OMEGA split-flap displays

Size: 80.6 × 29.2 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 56
Nets: 62
Pads: 212
Tracks, vias: 174, 43
Pours: 2
Routed: Yes
KiCad: KiCad 4
Created: 30 Jul 2017
Updated: 21 Jan 2018

Overview

Brain is an open-source printed circuit board by c3dprk, from the c3dprk/split-flap repository on GitHub, published under the MIT licence. It is a 2-layer board of 80.6 × 29.2 mm with 56 parts on 62 nets, routed with 174 tracks and 43 vias.

It is built around the ESP-12E, 74HC595 and A09T. Its parts include 16 diodes, 16 transistors, 5 connectors, 4 resistors and 3 capacitors. It belongs with the ESP8266 boards of this library.

Main components

README

README.md

OMEGA Split Flap Displays

This git repository is the collection of documentation and

img

This directory contains images we took of the actual hardware, which we used for reverse engineering.

pcb

This directory contains eeschma project files which document the actual circuit board of the displays

png of the schematic

pdf

This directory contains pdf scans of the original documentation. There are circuit and timing diagrams. Especially the latter ones are important when writing software.

uPython

This directory contains script which can be run with MicroPython for example on an esp8266.

Parts

Qty	Value	Footprint	References
16	A09T	TO_SOT_Packages_SMD:SOT-23	Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16
16	LED	LEDs:LED_0603	D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
4	1k	Resistors_SMD:R_0603_HandSoldering	R1, R2, R3, R4
4	R_Pack04	Resistors_SMD:R_Array_Convex_4x0603	RN1, RN2, RN3, RN4
3	1uF	Capacitors_SMD:C_0603_HandSoldering	C1, C2, C3
3	CONN_01X01	SMD_Packages:1Pin	J1, J2, J3
2	74HC595	Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm	U2, U3
1	CONN_01X08	Pin_Headers:Pin_Header_Straight_1x08_Pitch2.54mm_SMD_Pin1Right	J5
1	CONN_02X08	Connectors:IDC_Header_SMD_16pins	J4
1	ESP-12E	ESP8266:ESP-12E_SMD	U1
1	GND	Measurement_Points:Measurement_Point_Round-SMD-Pad_Small	TP1
1	MODE	Measurement_Points:Measurement_Point_Round-SMD-Pad_Small	TP4
1	RST	Measurement_Points:Measurement_Point_Round-SMD-Pad_Small	TP5
1	RX	Measurement_Points:Measurement_Point_Round-SMD-Pad_Small	TP3
1	TX	Measurement_Points:Measurement_Point_Round-SMD-Pad_Small	TP2

Questions

How big is the Brain PCB?

It measures 80.6 × 29.2 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Brain use?

56 parts, built around the ESP-12E, 74HC595 and A09T. 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 Brain KiCad files?

From the c3dprk/split-flap repository on GitHub, at the commit this page was made from: the board is pcb/controller/brain.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Brain design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Category and platform

ESP8266

Project files

Show this board on your page

A live frame, for any web page

<iframe src="https://pcbkit.io/embed/boards/c3dprk-split-flap-brain" title="Brain in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>

A picture

<img src="https://pcbkit.io/embed/boards/c3dprk-split-flap-brain.jpg" alt="Brain" width="1200" height="900">

A picture that opens the board, for a README

[![Brain](https://pcbkit.io/embed/boards/c3dprk-split-flap-brain.jpg?size=s)](https://pcbkit.io/boards/c3dprk-split-flap-brain)

Source

Repository: c3dprk/split-flap
Board file: pcb/controller/brain.kicad_pcb
Commit: 0b4a8bc
Licence: MIT

Similar boards

2 layers
Batt charger
Kolodieiev/pixeler
Фреймворк для розробки прошивок до плат на ESP32/S3/P4
28 parts1Apache-2.0
2 layers99.6 × 57.9 mm
Paper badges
dodgymike/bsidescpt2016badge

68 parts
2 layers167.6 × 77.5 mm
Relay
Greatreyhan/pcb_control_pgs

92 parts
2 layers33.7 × 97.8 mm
HAN ESP TSS721
UtilitechAS/amsreader-firmware
ESP8266 and ESP32 compatible firmware to read, interpret and publish data to MQTT from smart electrical meters, both DLMS and DSMR is supported
29 parts470
2 layers43 × 34.3 mm
Espway
espway/espway
Segway-like robot implemented on ESP8266
37 parts122LGPL-3.0
2 layers25.6 × 23 mm
Breakout
skorokithakis/tiny-ESP8266-breakout
A very small and basic ESP8266 breakout board
12 parts115BSD-2-Clause
2 layers104.8 × 72.1 mm
SST V2 4
mcbittech/souliss-smart-thermostat-WiFi
ESP8266 WiFi Smart Thermostat based on Souliss IoT Framework
53 parts110GPL-2.0
2 layers30 × 65 mm
Hardpass pcb
girst/hardpass-passwordmanager-mirror-of-git.gir.st
https://git.gir.st/hardpass.git - Seldomly Updated Mirror: Hardpass is a Raspberry Pi Zero based hardware password manager, using passwordstore.org.
34 parts101GPL-3.0