Middle
About the Middle PCB
Middle is an open source PCB design by johanwheeler, published on GitHub under the MIT license. It is a 2-layer board measuring 82 × 82 mm, with 6 components from 6 distinct parts.
By type, the board carries 3 connectors and 3 test points.
It belongs with the displays & leds designs in this gallery.
From the project
Ch32 based christmas card with 8x8 screen, sound and capacitive buttons
And a happy new year! Here you will find some instructions for the christmas card, as well as some technical details.
https://github.com/johanwheeler/ch32-fireplace/assets/45564940/a2e65534-c451-412c-9a83-9337bf3cca4e
Longer demo here, Short Hackaday article
If your card has white plastic in front of the screen, remove the front plate and peel the film, then connect to any USB-C power source. The stockings above the fire are actually touch buttons! Press firmly to interact.
Middle bill of materials (BOM)
6 components, 6 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | USB_C_Receptacle_PowerOnly_6P | TYPE-C-31-D-08 | J1 |
| 1 | CAPTOUCH | PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | PWR | PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | PC3 TOUCH1 | cap_sock | TP1 |
| 1 | PC2 TOUCH2 | cap_sock | TP2 |
| 1 | PC1 TOUCH3 | cap_sock | TP3 |
Middle design files
The KiCad project lives in the johanwheeler/ch32-fireplace repository on GitHub; these links point at the commit this page was built from.
Middle: common questions
How big is the Middle PCB?
The Middle measures 82 × 82 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Middle?
6 components, from 6 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 Middle design files?
From the johanwheeler/ch32-fireplace 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 Middle design in my own project?
Yes, under the terms of its MIT license, which johanwheeler chose for the repository.
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