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2 layers12 × 50.5 mmSnippy, the printed circuit board in 3D

USB dongle for taking screenshots.

Size
12 × 50.5 mm
Copper layers
2
Thickness
2 mm
Parts
10
Nets
17
Pads
40
Tracks, vias
55, 8
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
26 Aug 2026
Updated
28 Aug 2026

Overview

Snippy is an open-source printed circuit board by isobel-p, from the isobel-p/snippy repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 12 × 50.5 mm with 10 parts on 17 nets, routed with 55 tracks and 8 vias.

It is built around the CH552G. Its parts include 4 switches, 2 capacitors, 1 resistor, 1 IC and 1 connector. It belongs with the 8051 (CH55x, STC, AT89) boards of this library.

Main components

1

README

README.md

Snippy

The 3D view for Snippy.

Snippy is a USB dongle for taking screenshots, in a compact form factor. Often in class I have to take a bunch of screenshots of the teacher's presentations so I can make notes on them later. But doing that 10 times a day is boring. Why not make it fun with clicky tactile buttons? (Everything is better with clicky buttons.) The PCB is only 12x50mm!

Features

  • Small size
  • OS agnostic
  • Fun to press

BOM

PartQTYCost
PCB board5$21.56
Components2$10.79
PCBA2$15.89
Shipping$5.37
Coupon-$10.00
Total$43.61

The schematic for Snippy.

The PCB for Snippy.

Parts

10
QtyValueFootprintReferences
3SW_PushButton_Switch_THT:SW_PUSH_6mmSW2, SW3, SW4
2100nFCapacitor_SMD:C_0603_1608MetricC1, C2
110kResistor_SMD:R_0603_1608MetricR1
1CH552GPackage_SO:SOIC-16_3.9x9.9mm_P1.27mmU1
1LOGOLOGOG***
1SW_PushButton_Switch_SMD:SW_SPST_TS-1088-xR020SW1
1USB_ACH552G:USB-AJ1

Questions

How big is the Snippy PCB?

It measures 12 × 50.5 mm and has 2 copper layers, 2 mm thick.

What parts does the Snippy use?

10 parts, built around the CH552G. 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 Snippy KiCad files?

From the isobel-p/snippy repository on GitHub, at the commit this page was made from: the board is pcb/snippy.kicad_pcb and its schematic pcb/snippy.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Snippy design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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