Serial bread
About the Serial bread PCB
Serial bread is an open source PCB design by testudor, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 26 × 32 mm, with 18 components from 13 distinct parts.
Other key parts include the C84681 and C51118. By type, the board carries 5 capacitors, 5 resistors, 3 diodes, 2 ICs, 2 connectors and 1 switch.
It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.
From the project
USB-to-UART module
This is part of the "Modular Breadboard" parent project.
It's a basic USB-to-UART adapter with a robust USB-C connector and switchable logic levels. It can also provide up to 3A@5v and 600mA@3.3V for your project.
Main components on the Serial bread
Serial bread bill of materials (BOM)
18 components, 13 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C84681 CH340C | SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | C51118 AP2112K-3.3 | SOT-23-5 | U2 |
| 1 | C165948 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | C358726 Conn_02x04_Top_Bottom | PinSocket_2x04_P2.54mm_Vertical | J2 |
| 1 | C2921648 SW_SPDT | CL-SB-12B-02T | SW1 |
| 1 | C72043 LED GREEN | LED_0603_1608Metric | D1 |
| 1 | C72038 LED YELLOW | LED_0603_1608Metric | D2 |
| 1 | C2286 LED RED | LED_0603_1608Metric | D3 |
| 2 | C1525 0.1u | C_0402_1005Metric | C1, C2 |
| 1 | C15525 10u | C_0402_1005Metric | C3 |
| 2 | C52923 1u | C_0402_1005Metric | C4, C5 |
| 2 | C25905 5.1k | R_0402_1005Metric | R1, R2 |
| 3 | C11702 1k | R_0402_1005Metric | R3, R4, R5 |
Serial bread design files
The KiCad project lives in the testudor/serial-bread repository on GitHub; these links point at the commit this page was built from.
- LayoutSerial Bread.kicad_pcb
- SchematicSerial Bread.kicad_sch
Serial bread: common questions
How big is the Serial bread PCB?
The Serial bread measures 26 × 32 mm, has 2 copper layers and is 1.67 mm thick.
How many components are on the Serial bread?
18 components, from 13 distinct parts. The full bill of materials is listed on this page.
Where can I download the Serial bread design files?
From the testudor/serial-bread repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Serial bread design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which testudor chose for the repository.
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