HardLabs

Reciever

Harshil200619·STM32-Custom-Drone·Hardware/Receiver/Reciever.kicad_pcb

Reciever PCB layout, top view — open source STM32 board by Harshil200619

About the Reciever PCB

Reciever is an open source STM32 PCB design by Harshil200619, published on GitHub. It is a 2-layer board measuring 52.7 × 52 mm, with 56 components from 25 distinct parts.

Its main chip is the STM32F405RGTx, from the STM32 family. Other key parts include the AP2112K-3.3. By type, the board carries 17 capacitors, 15 resistors, 9 connectors, 7 diodes, 4 transistors and 2 ICs.

It belongs with the robotics & motion and sensors designs in this gallery.

From the project

STM32F405 Flight Controller and NRF24 Transmitter

This repository contains the complete hardware schematics (KiCad) and flight firmware (C++/Arduino) for a custom-designed drone system. This project bypasses off-the-shelf flight controllers by using a scratch-built STM32F405 receiver board paired with a custom NRF24L01+ remote transmitter.

Hardware Architecture & Pinout: MCU: STMicroelectronics STM32F405RGT6 (Arm Cortex-M4, 168 MHz). Radio (Hardware SPI2): NRF24L01+ explicitly wired to PB13 (SCK), PB14 (MISO), and PB15 (MOSI) to prevent clock collisions with motor timers. IMU (Custom I2C): MPU6050 gyro/accelerometer mapped to PA5 (SCL) and…

Main components on the Reciever

STM32F405RGTxAP2112K-3.3

Reciever bill of materials (BOM)

56 components, 25 distinct parts.

QtyPartRefs
1
STM32F405RGTx
U1
1
AP2112K-3.3
U2
4
AO3400A
Q1, Q2, Q3, Q4
1
Crystal_GND24_Small
Y1
1
USB_C_Receptacle_USB2.0_16P
J1
1
NRF MODULE
J2
5
Conn_01x02
J3, J4, J5, J6, J7
1
GYRO MODULE
J8
1
Conn_01x04
J9
1
SW_Push
SW1
6
D_Schottky
D1, D3, D4, D5, D6, D7
1
LED
D2
7
100nF
C1, C2, C3, C4, C5, C6, C16
2
2.2uf
C7, C13
4
10uf
C8, C9, C10, C14
2
22pF
C11, C12
1
470uF
C15
1
1uF
C19
2
5.1k
R1, R2
5
10k
R3, R8, R9, R10, R11
Show 5 more
QtyPartRefs
4
100ohm
R4, R5, R6, R7
1
330
R12
1
100k
R13
1
47k
R14
1
10
R15

Reciever design files

The KiCad project lives in the Harshil200619/STM32-Custom-Drone repository on GitHub; these links point at the commit this page was built from.

Reciever: common questions

What microcontroller does the Reciever use?

The Reciever is built around the STM32F405RGTx, from the STM32 family.

How big is the Reciever PCB?

The Reciever measures 52.7 × 52 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Reciever?

56 components, from 25 distinct parts. The full bill of materials is listed on this page.

Where can I download the Reciever design files?

From the Harshil200619/STM32-Custom-Drone repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Reciever design in my own project?

The repository has no license, so all rights stay with Harshil200619. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Reciever 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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