2 layers
Nrf bga
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12 parts14kMIT
2 layers10.8 × 32.8 mm
STM32DIP
Patronics/STM32DIP20-breakoutA simple 20 pin DIP breakout board for STM32L011F4Ux and similar
- Size
- 10.8 × 32.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 20
- Pads
- 59
- Tracks, vias
- 155, 9
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 18 Jun 2026
- Updated
- 18 Jun 2026
Overview
STM32DIP is an open-source printed circuit board by Patronics, from the Patronics/STM32DIP20-breakout repository on GitHub. It is a 2-layer board of 10.8 × 32.8 mm with 12 parts on 20 nets, routed with 155 tracks and 9 vias.
Its parts include 4 capacitors, 2 resistors, 2 connectors and 1 IC. It belongs with the interfaces and adapters and microcontroller boards boards and the STM32 boards of this library.
README
README.mdSTM32DIP20 breakout
A minimal 20-pin DIP footprint STM32 breakout board, designed for easy prototyping of breadboard or stripboard projects.
It breaks out the compact 3x3mm UFQFPN20 footprint to a 20-pin 0.1" spacing with minimal support components.
It additionally does break out the SWD pins to a 3-pin header for ease of programming, much like the Raspberry Pi Pico
Note that no voltage regulator is included, so the supported voltage range is 1.65V to 3.6V.
Compatible hardware:
This board is designed to be compatible with the STM32L011F3U6, STM32L011F4U6, STM32C011F4U6, and STM32C011F6U6.
| STM32 Chip | RAM | Flash | Notes |
|---|---|---|---|
| STM32L011F3Ux | 2kB | 8kB | First batch produced |
| STM32L011F4Ux | 2kB | 16kB | |
| STM32C011F4Ux | 6kB | 16kB | |
| STM32C011F6Ux | 6kB | 32kB |
With some modifications (largely just removed passives and adjusted pinout on the support board) due to the different pinout, it should also be compatible with the STM8S003F3U 8 bit chips
Pinout:
The pin layout is a one-to-one match to the original UFQFPN20 layout, aside from the addition of the SWD pins.
Schematic:
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100nF | Capacitor_SMD:C_0402_1005Metric | C2, C4 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C3 |
| 1 | Conn_02x10_Counter_Clockwise | Package_DIP:DIP-20_W7.62mm_LongPads | J1 |
| 1 | Debug Header | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | FerriteBead | Resistor_SMD:R_0603_1608Metric | FB1 |
| 1 | STM32L011F3Ux | Package_DFN_QFN:ST_UFQFPN-20_3x3mm_P0.5mm | U1 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | TestPoint | TestPoint:TestPoint_Pad_1.5x1.5mm | TP2 |
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Questions
How big is the STM32DIP PCB?
It measures 10.8 × 32.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the STM32DIP use?
12 parts. 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 STM32DIP KiCad files?
From the Patronics/STM32DIP20-breakout repository on GitHub, at the commit this page was made from: the board is STM32DIP.kicad_pcb and its schematic STM32DIP.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the STM32DIP design in my own project?
Its repository states no licence, so its author keeps all rights: ask Patronics before reusing the design.