Stm32-nrf24-wireless node
denysderihlazov·stm32-nrf24-wireless-node·hardware/revB/kicad/nRF24Radio_STM32G431KB.kicad_pcb
About the Stm32-nrf24-wireless node PCB
Stm32-nrf24-wireless node is an open source STM32 PCB design by denysderihlazov, published on GitHub under the MIT license. It is a 2-layer board measuring 46 × 75.9 mm, with 46 components from 20 distinct parts.
Its main chip is the STM32G431KBTX, from the STM32 family. Other key parts include the AMS1117-3.3. By type, the board carries 17 resistors, 15 capacitors, 5 switches, 5 diodes, 2 ICs and 1 crystal.
It belongs with the displays & leds and iot & wireless designs in this gallery.
From the project
Custom STM32G431KBT6 + nRF24L01 wireless communication module with SSD1306 OLED interface, 2-layer PCB and STM32 HAL firmware. Hardware (KiCad), Gerbers, BOM and documentation included. Fully assembled boards tested in practice.
A fully custom-designed embedded wireless node with its own PCB, firmware, and working radio communication demo.
Custom 2-layer embedded wireless node built around STM32G431KBT6, nRF24L01+ over SPI, and SSD1306 OLED over I2C. This repository contains both the hardware design and the starter firmware for a compact custom communication platform.
This project is a custom PCB-based wireless node designed and assembled for experimenting with:

Main components on the Stm32-nrf24-wireless node
Stm32-nrf24-wireless node bill of materials (BOM)
46 components, 20 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32G431KBTX STM32G431KBTx | LQFP-32_7x7mm_P0.8mm | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 1 | YXC Crystal Oscillators XL7EL89CKI-111YLC-32M 24mHz 8pf | Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J3 |
| 4 | C318884 Tactile Button, 160gf XKB Connectivity | SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 | S1, S2, S3, S4 |
| 1 | MSK12C02 | SW-TH_MSK12C02 | SW1 |
| 2 | SS54 MDD(Microdiode Electronics) | D_SMA | D1, D2 |
| 1 | C2286 White Hubei KENTO Elec | D_0603 | D3 |
| 2 | C2297 Green Hubei KENTO Elec | D_0603 | D4, D5 |
| 7 | 100NF 100nF YAGEO | C_0603 | C1, C4, C6, C10, C12, C15, C17 |
| 2 | 10PF 10pF Samsung Electro-Mechanics | C_0603 | C2, C3 |
| 4 | 10UF 10uF Murata Electronics | C_0805 | C5, C7, C8, C9 |
| 1 | 4.7UF 4.7uF Samsung Electro-Mechanics | C_0603 | C11 |
| 1 | 1UF 1uF Samsung Electro-Mechanics | C_0603 | C16 |
| 6 | 10kΩ UNI-ROYAL(Uniroyal Elec) | R_0603 | R1, R4, R6, R8, R13, R14 |
| 2 | 100Ω UNI-ROYAL(Uniroyal Elec) | R_0603 | R2, R3 |
| 1 | 1kΩ UNI-ROYAL(Uniroyal Elec) | R_0603 | R5 |
| 2 | 5.1kΩ UNI-ROYAL(Uniroyal Elec) | R_0603 | R7, R9 |
| 3 | 0Ω UNI-ROYAL(Uniroyal Elec) | R_0603 | R10, R11, R15 |
| 3 | 5.1kΩ UNI-ROYAL(Uniroyal Elec) | R_0402 | R17, R18, R19 |
Stm32-nrf24-wireless node design files
The KiCad project lives in the denysderihlazov/stm32-nrf24-wireless-node repository on GitHub; these links point at the commit this page was built from.
Stm32-nrf24-wireless node: common questions
What microcontroller does the Stm32-nrf24-wireless node use?
The Stm32-nrf24-wireless node is built around the STM32G431KBTX, from the STM32 family.
How big is the Stm32-nrf24-wireless node PCB?
The Stm32-nrf24-wireless node measures 46 × 75.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Stm32-nrf24-wireless node?
46 components, from 20 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 Stm32-nrf24-wireless node design files?
From the denysderihlazov/stm32-nrf24-wireless-node 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 Stm32-nrf24-wireless node design in my own project?
Yes, under the terms of its MIT license, which denysderihlazov chose for the repository.
Can I test firmware for the Stm32-nrf24-wireless node 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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