HardLabs

MyTtiny

patriq128·MyTtiny·PCB/KiCad/MyTinny_PCB.kicad_pcb

MyTtiny PCB layout, top view — open source board by patriq128

About the MyTtiny PCB

MyTtiny is an open source PCB design by patriq128, published on GitHub under the MIT license. It is a 2-layer board measuring 29.7 × 17 mm, with 19 components from 15 distinct parts.

Other key parts include the SK6112MINI-RG, CH340N_C2977777, AP2112K-3.3TRG1(MS) and edge_conn_pad3. By type, the board carries 5 resistors, 4 ICs, 4 capacitors, 1 switch, 1 LED and 1 diode.

It belongs with the dev boards & breakouts, displays & leds and usb & debug tools designs in this gallery.

From the project

My own development board based on the chip ATtiny3217.

My own development board based on the ATtiny3217 microcontroller.

One of the main reasons I made this board was for my own projects. However, I also wanted to make it useful enough for other people to use.

I tried to make this board as small as possible, and I think I did a pretty good job. The board measures only 29.718 × 17.018 mm.

The board uses a USB-C connector, making it easy to power, program, and communicate with. I also included the required configuration resistors, so USB-C to USB-C cables work properly.

MyTtiny, from the project README
From the project README

Main components on the MyTtiny

SK6112MINI-RGCH340N_C2977777AP2112K-3.3TRG1(MS)edge_conn_pad3

MyTtiny bill of materials (BOM)

19 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SK6112MINI-RG
欧思科光电
U1
1
CH340N_C2977777
WCH(南京沁恒)
U2
1
AP2112K-3.3TRG1(MS)
MSKSEMI(美森科)
U3
1
edge_conn_pad3
U5
2
2011-1X11G00SB
WingTAT(格林柏)
H1, H2
1
HX 3X4X2-2P-1.6N TACTILE SWITCH
hanxia(韩下)
SW1
1
TYPE-C-31-M-12
韩国韩荣
USBC1
1
LED-0603_R
EVERLIGHT(台湾亿光)
LED1
1
USBLC6-2SC6_C5250994
TWGMC(迪嘉)
D1
3
1uF
Kyocera AVX
C1, C3, C4
1
100nF
Kyocera AVX
C2
2
5.1kΩ
Milliohm(毫欧)
R1, R2
1
2.2kΩ
Tyohm(幸亚电阻)
R3
1
330Ω
UNI-ROYAL(厚声)
R4
1
1kΩ
Tyohm(幸亚电阻)
R5

MyTtiny design files

The KiCad project lives in the patriq128/MyTtiny repository on GitHub; these links point at the commit this page was built from.

MyTtiny: common questions

How big is the MyTtiny PCB?

The MyTtiny measures 29.7 × 17 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MyTtiny?

19 components, from 15 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 MyTtiny design files?

From the patriq128/MyTtiny 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 MyTtiny design in my own project?

Yes, under the terms of its MIT license, which patriq128 chose for the repository.

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