HardLabs

Psycho badge

gowenrw·psycho_badge·eda/psycho_badge/psycho_badge.kicad_pcb

Psycho badge PCB layout, top view — open source ESP32 board by gowenrw

About the Psycho badge PCB

Psycho badge is an open source ESP32 PCB design by gowenrw, published on GitHub under the MIT license. It is a 2-layer board measuring 152.4 × 101.6 mm, with 43 components from 11 distinct parts.

Its main chip is the ESP32-WEMOS-LOLIN32-LITE, from the ESP32 family. By type, the board carries 16 diodes, 10 resistors, 8 capacitors, 3 connectors, 1 IC and 1 battery holder.

It belongs with the wearables designs in this gallery.

From the project

This is where all the Electronic Design Automation files for the PCB(s) will be stored. The EDA used is KiCad 9.x unless otherwise specified.

This is where all the Electronic Design Automation files for the PCB(s) will be stored. The EDA used is KiCad 9.x unless otherwise specified.

The KiCad projects have been configured to use local libraries for long term sustainability per the best practices listed HERE and elsewhere.

This is the file structure of this repository

/ - Home /eda - Electronic Design Automation files - YOU ARE HERE /eda/psychobadge/ - KiCad 9.x project folder for the psychobadge PCB ./3dmodels/ - This directory contains footprint 3d model files ./gerber/ - This directory contains gerber formatted files for…

Main components on the Psycho badge

ESP32-WEMOS-LOLIN32-LITE

Psycho badge bill of materials (BOM)

43 components, 11 distinct parts.

QtyPartRefs
1
ESP32-WEMOS-LOLIN32-LITE
U1
1
Battery_Conn
J1
2
01x02
J21, J22
1
Battery_Lipo
BT1
1
GDEM0154F51H_EINK_DEV
DS1
2
Conn_02x03_SAO
JSAO1, JSAO2
1
SW_SPDT_SS12D00G
SW1
8
LED_3mm
D1, D2, D4, D6, D31, D32, D51, D52
8
LED_WS2812D_5mm
D10, D11, D12, D20, D21, D22, D23, D24
8
C_Disc_D3
C10, C11, C12, C20, C21, C22, C23, C24
10
47R_6.3mm
R1, R2, R4, R6, R10, R20, R31, R32 +2

Psycho badge design files

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

Psycho badge: common questions

What microcontroller does the Psycho badge use?

The Psycho badge is built around the ESP32-WEMOS-LOLIN32-LITE, from the ESP32 family.

How big is the Psycho badge PCB?

The Psycho badge measures 152.4 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Psycho badge?

43 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Psycho badge design files?

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

Can I use the Psycho badge design in my own project?

Yes, under the terms of its MIT license, which gowenrw chose for the repository.

Can I test firmware for the Psycho badge 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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