Xmas
About the Xmas PCB
Xmas is an open source STM32 PCB design by ladyM9, published on GitHub. It is a 2-layer board measuring 50 × 60.6 mm, with 56 components from 23 distinct parts.
Its main chip is the STM32C011F6, from the STM32 family. Other key parts include the TP4056-42 and TPS7A2633DRVR. By type, the board carries 14 resistors, 13 LEDs, 13 capacitors, 5 test points, 3 ICs and 2 transistors.
It belongs with the displays & leds designs in this gallery.
From the project
Xmas ornament based on the STM32C011F6 microcontroller.
This project is inspired schematics for Xmas ornament by Borna Biro.
Main components on the Xmas
Xmas bill of materials (BOM)
56 components, 23 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32C011F6 | TSSOP20 | IC1 |
| 1 | TP4056-42 | EMSOP | IC2 |
| 1 | TPS7A2633DRVR | WSON-6 | U1 |
| 1 | AO3401A | SOT-23-3L | Q1 |
| 1 | CJ3400 | SOT-23-3L | Q2 |
| 1 | S2B-PH-SM4-TB | JST_S2B-PH-SM4-TB | CONN1 |
| 1 | TYPE-C_16PIN_2MD(073) | TYPE-C_16PIN_2MD(073) | CONN2 |
| 1 | MLT-7525 | MTL-7525 | SPK1 |
| 2 | BZCN_TSA007A1518B03 | TSA007A1518B03 | SW1, SW2 |
| 5 | ~ | TP-1_5mm | TP1, TP2, TP3, TP4, TP5 |
| 12 | WS2812B-2020 | WS2812B-2020 | LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +4 |
| 1 | ~ | LED_0603 | LED13 |
| 1 | BAT20JFILM | SOD323 | D1 |
| 8 | 100n | C0603 | C1, C2, C4, C5, C6, C7, C9, C10 |
| 1 | 10u | C1206 | C3 |
| 1 | 10uF | C1206 | C8 |
| 2 | DNP | C0603 | C11, C12 |
| 1 | 10n | C0603 | C13 |
| 2 | 5k1 | R0603 | R1, R2 |
| 5 | 10k | R0603 | R3, R4, R5, R9, R10 |
Show 3 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 100R | R0603 | R6, R12 |
| 4 | 100k | R0603 | R7, R8, R11, R13 |
| 1 | 10R | R0603 | R14 |
Xmas design files
The KiCad project lives in the ladyM9/Xmas repository on GitHub; these links point at the commit this page was built from.
- LayoutHardware/Xmas.kicad_pcb
- SchematicHardware/Xmas.kicad_sch
Xmas: common questions
What microcontroller does the Xmas use?
The Xmas is built around the STM32C011F6, from the STM32 family.
How big is the Xmas PCB?
The Xmas measures 50 × 60.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Xmas?
56 components, from 23 distinct parts. The full bill of materials is listed on this page.
Where can I download the Xmas design files?
From the ladyM9/Xmas repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Xmas design in my own project?
The repository has no license, so all rights stay with ladyM9. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Xmas without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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