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Tiny Devboard

Hack Club macondo

A pocket-sized development board built for rapid prototyping, experimentation, and embedded systems development. Its compact USB form factor makes it easy to carry, plug in, and start building wherever inspiration strikes.

License Project Series

About • Structure • Schematic • PCB • CAD • Render • BOM • License • Credits



About the Project

Tiny Devboard is a pocket-sized development board built for rapid prototyping, experimentation, and embedded systems development. Its compact USB form factor makes it easy to carry, plug in, and start building wherever inspiration strikes.

Specifications

Item Details
MCU ATSAMD21E18A-AU
Wireless ESP-12S
USB Type-A
Logic Voltage 3.3V
RGB LED APA102-2020
Programming UF2 / SWD

Features

  • ATSAMD21E18A-AU (32-bit ARM Cortex-M0+)
  • ESP-12S (ESP8266 Wi-Fi)
  • USB Type-A Port
  • RGB Status LED
  • Compact Form Factor

Repository Structure

  • src/PCB/ — EasyEDA project sources
  • src/cad/ — mechanical CAD sources
  • production/pcb/ — PCB fabrication files (Gerbers, BOM, Pick & Place)ace)
  • production/cad/ — 3D-printing files (.3mf)
  • GETTING_STARTED/ — Setup guides, firmware installation, and board bring-up documentation
  • Journal/ — DevLogs With Timestamp
  • Firmware/ — Demo firmware, utilities, and firmware releases for Tiny DevBoard

Schematic

EasyEDA

Source : src/PCB/Sch SCH_Schematic1_1-P1_2026-06-14

PCB

Source : src/PCB/Pcb

Front PCB Back PCB

CAD

Fusion 360

A Encloser Case for Tiny Devboard. Case consists of 6 interlocking Hook that are secured them, allowing the enclosure to be assembled without screws or Glue makes it easy assembly.

  • source: src/cad/
image I

3D-printable Production files are available in:

  • source: production/cad/

Render

Blender

image Image

Bill of Materials

Source: production/pcb/bom.xlsx

No. Quantity Comment Designator Footprint Value Price (exc Taxes)
1 5 10K R1,R2,R3,R4,R6 R0805 10K 0.07$
2 1 1.5k R7 R0805 1.5k 0.01$
3 1 10k R5 R0805 10k 0.01$
4 2 0 R8,R9 R0603 0 0.02$
5 2 0.1uF C5,C7 C0805 0.1uF 0.01$
6 1 1uf C1 C0603 1uf 0.01$
7 3 10uF C3,C4,C6 C0805 10uF 0.04$
8 1 100nF C8 C0805 100nF 0.01$
9 2 LED_0805-R LED3,LED4 L0805 0.02$
10 1 AM90 USB1 USB-AM-TH_AM90 0.25$
11 1 APA102-2020 SuperLED U2 LED-SMD_6P-L2.0-W2.0-APA102-2020-SUPERLED 0.16$
12 1 ATSAMD21E18A-AU U1 TQFP-32_L7.0-W7.0-P0.80-LS9.0-BL 1.4$
13 1 ESP-12s U4 WIRELM-SMD_ESP-12S 1.7$
14 1 HT7833 U3 SOT-89_L4.5-W2.5-P1.50-LS4.2-BR 0.16$
15 1 ZX-PZ1.0-1-6PZZ Gn +3 Rx Tx Clk Dio HDR-TH_6P-P1.00-V-F 0.01$
16 3 TSA010A2518A BOOT,SW1,SW2 SW-SMD_L4.0-W3.0-LS5.0 0.1$
17 1 PCB 2$ From Jlcpcb

License

Licensed under MIT — you can use this commercially, modify, and distribute with proper attribution. See LICENSE file.

Contributing

Contributions, improvements, and remixes are welcome! Please read the CONTRIBUTING.md guide to get started.

Credits

Hack Club macondo EasyEDA Fusion 360 Blender

This project was created during a Hack Club event Macondo.

About

A pocket-sized development board built for rapid prototyping, experimentation, and embedded systems development. Its compact USB form factor makes it easy to carry, plug in, and start building wherever inspiration strikes.

oshwlab.com/dushyant0303/project_kbwfubeg

Resources

Readme

License

MIT license

Contributing

Contributing
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