Arduino-Pro-Mini
zymaxcii·sketch·cad/Arduino-Pro-Mini/Arduino-Pro-Mini.kicad_pcb
About the Arduino-Pro-Mini PCB
Arduino-Pro-Mini is an open source AVR/Arduino PCB design by zymaxcii, published on GitHub. It is a 2-layer board measuring 17.8 × 33 mm, with 24 components from 20 distinct parts.
Its main chip is the 8/16/20MHz, from the AVR/Arduino family. Other key parts include the 863-NCP7805TG and MIC5205. By type, the board carries 6 capacitors, 5 jumpers, 5 resistors, 2 ICs, 1 transistor and 1 switch.
From the project
My arduino playground
Arduino Pro Mini 328 ====================
SparkFun's Arduino Pro Mini 328 is a bare bones super small Arduino compatible development board. This hardware is used for both the 3.3V/8MHz and the 5V/16MHz versions.
Both of these products use the same PCB, but are populated with unique voltage regulators and resonators.
Repository Contents ------------------- /Documentation - SVG and PDF datasheets for the Pro Mini /Hardware - Eagle design files (Schematic and Board) /Production** - Test bed files and production panel files

Main components on the Arduino-Pro-Mini
Arduino-Pro-Mini bill of materials (BOM)
24 components, 20 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 863-NCP7805TG ATMEGA328 | TQFP32-08 | U1 |
| 1 | MIC5205 | SOT23-5 | U2 |
| 1 | 8/16/20MHz | RESONATOR-SMD-1_1 | Q1 |
| 1 | FRAME-LETTER | CREATIVE_COMMONS | FRAME1 |
| 1 | FTDI Basic | 1X06 | JP1 |
| 2 | — | 1X02 | JP2, JP3 |
| 2 | — | 1X12 | JP6, JP7 |
| 1 | Reset | TACTILE-SWITCH-SMD-ALT01 | S1 |
| 1 | — | SJ_2S | SJ1 |
| 1 | Red | 0603-LED-ALT1 | LED1 |
| 1 | Green | 0603-LED-ALT1 | D3 |
| 2 | 667-ECA-1EM101 0.1uF | 0603-CAP | C1, C2 |
| 1 | 594-CN15A220J 0.1uF | 0603-CAP | C3 |
| 1 | 0.1uF | 0603-CAP | C10 |
| 2 | 10uF | EIA3216 | C13, C19 |
| 1 | 603-MFR-25FBF52-470R | 0603-RES | R1 |
| 1 | 603-MFR-25FBF52-10K 10K | 0603-RES | R2 |
| 1 | — | 0603-RES | R3 |
| 1 | 330 | 0603-RES | R6 |
| 1 | 10K | 0603-RES | R11 |
Arduino-Pro-Mini design files
The KiCad project lives in the zymaxcii/sketch repository on GitHub; these links point at the commit this page was built from.
Arduino-Pro-Mini: common questions
What microcontroller does the Arduino-Pro-Mini use?
The Arduino-Pro-Mini is built around the 8/16/20MHz, from the AVR/Arduino family.
How big is the Arduino-Pro-Mini PCB?
The Arduino-Pro-Mini measures 17.8 × 33 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Arduino-Pro-Mini?
24 components, from 20 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 Arduino-Pro-Mini design files?
From the zymaxcii/sketch 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 Arduino-Pro-Mini design in my own project?
The repository has no license, so all rights stay with zymaxcii. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Arduino-Pro-Mini without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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