2 layers
Nrf bga
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12 parts14kMIT
2 layers17 × 26 mm
Temperature sensor
r-ismer/Temperature-sensor1The temperature and humidity sensor communicates with the STM32F030 thourgh I2C.
- Size
- 17 × 26 mm
- Copper layers
- 2
- Thickness
- 1.06 mm
- Parts
- 12
- Nets
- 12
- Pads
- 55
- Tracks, vias
- 75, 68
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 2 Jan 2026
- Updated
- 2 Jun 2026
Overview
Temperature sensor is an open-source printed circuit board by r-ismer, from the r-ismer/Temperature-sensor repository on GitHub. It is a 2-layer board of 17 × 26 mm with 12 parts on 12 nets, routed with 75 tracks and 68 vias.
Its parts include 5 capacitors, 3 resistors, 2 ICs and 2 connectors. It belongs with the sensors and measurement boards and the STM32 boards of this library.
README
Hardware/README.mdTemperature-sensor
Overview
This project contains the KiCad files for a temperature/humidity sensor.
The temperature and humidity sensor communicates with the STM32F030 thourgh I2C.
The programming of the microcontroller can be done through a 19 pin JTAG interface using SWD.
Setup and build
KiCad 9 was used to design the schematic and the PCB. To open the project clone the repository or download the files and open it with KiCad 9.
Next steps
The next steps are the soldering of all components on the board. Once this is done, the programming part can begin. This consists of:
- Creating a driver for the SHT4
- Programming the STM32F0 using the driver
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 100n | Capacitor_SMD:C_0805_2012Metric | C1, C2, C5 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R2, R3 |
| 1 | 0 | Resistor_SMD:R_0805_2012Metric | R1 |
| 1 | 10n | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 1µ | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | Conn_01x04_Pin | Connector_JST:JST_XA_B04B-XASK-1-A_1x04_P2.50mm_Vertical | J1 |
| 1 | Conn_ARM_JTAG_SWD_10 | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | J2 |
| 1 | SHT4x | Sensor_Humidity:Sensirion_DFN-4_1.5x1.5mm_P0.8mm_SHT4x_NoCentralPad | U2 |
| 1 | STM32F030F4Px | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U1 |
Questions
How big is the Temperature sensor PCB?
It measures 17 × 26 mm and has 2 copper layers, 1.06 mm thick.
What parts does the Temperature sensor 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 Temperature sensor KiCad files?
From the r-ismer/Temperature-sensor repository on GitHub, at the commit this page was made from: the board is Hardware/temperature_sensor.kicad_pcb and its schematic Hardware/temperature_sensor.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Temperature sensor design in my own project?
Its repository states no licence, so its author keeps all rights: ask r-ismer before reusing the design.
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