2 layers62.5 × 22 mm
2 layers65 × 22 mm
Propellor pitch bluetooth
hpvdt/falcon_propellor_controllerFirmware for propellor control board
- Size
- 65 × 22 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 54
- Nets
- 52
- Pads
- 176
- Tracks, vias
- 229, 38
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 23 Sep 2023
- Updated
- 17 Aug 2025
Overview
Propellor pitch bluetooth is an open-source printed circuit board by hpvdt, from the hpvdt/falcon_propellor_controller repository on GitHub. It is a 2-layer board of 65 × 22 mm with 54 parts on 52 nets, routed with 229 tracks and 38 vias.
It is built around the ATMEGA328P-AU, HC-05 and HX711, with the TPS563208DDCR-MS and MMSS8550-H among its other parts. Its parts include 20 capacitors, 17 resistors, 5 ICs, 5 connectors and 3 diodes. It belongs with the radio and wireless boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
5
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
HC-05
Bluetooth to Serial Port ModuleGENERICUncategorised
HX711
SOP-16-40℃~+85℃ 1.4mA 10Hz、80Hz 1MHz~20MHz、11.0592MHz 2 2.6V~5.5V 20mV、40mV、80mV 24 Built-in External、Built-in SPI Support Yes SOP-16 Analog to Digital Converters (ADC) ROHSAvia SemiconAnalog To Digital Converters (ADC)
TPS563208DDCR-MS
SOT-23-6-40℃~+125℃ 1 3.5A 3.5V~18V 300uA 450kHz~750kHz Adjustable Buck Built-in Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting Step-down type Yes SOT-23-6 DC-DC Converters ROHSMSKSEMIDC-DC Converters
MMSS8550-H
SOT-23SOT-23 Bipolar (BJT) ROHSFUXINSEMIBipolar (BJT)
README
README.mdPropeller Controller
Firmware and hardware design files for the propeller pitch control board, also used to monitor shaft power.
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100n | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4, C6, C7, C9, C18 |
| 6 | 22uF | Capacitor_SMD:C_0805_2012Metric | C8, C11, C12, C13, C14, C15 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R1, R3, R5, R12, R13 |
| 4 | 100 | Resistor_SMD:R_0603_1608Metric | R6, R7, R8, R9 |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C10, C19, C20 |
| 3 | 430 | Resistor_SMD:R_0603_1608Metric | R15, R16, R17 |
| 3 | LED | LED_SMD:LED_0805_2012Metric | D1, D2, D3 |
| 2 | 100n | Capacitor_SMD:C_0805_2012Metric | C16, C17 |
| 2 | 10n | Capacitor_SMD:C_0603_1608Metric | C1, C5 |
| 1 | 15k | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 16M | Crystal:Resonator_SMD_Murata_CSTxExxV-3Pin_3.0x1.1mm | Y1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 3.3uH | Inductor_SMD:L_Taiyo-Yuden_NR-60xx | L1 |
| 1 | 5.1k | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | 54.9k | Resistor_SMD:R_0603_1608Metric | R14 |
| 1 | 8.2k | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | ATmega328P-A | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | AVR-ISP-6 | Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical_SMD | J1 |
| 1 | AZ1117-5.0 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U5 |
| 1 | Battery | Connector_Wire:SolderWire-1.5sqmm_1x02_P6mm_D1.7mm_OD3mm_Relief | BT1 |
| 1 | HC-05 | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | U3 |
| 1 | HX711 | Package_SO:SOP-16_3.9x9.9mm_P1.27mm | U6 |
| 1 | LOAD1 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | LOAD2 | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | MMSS8550 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | SERVO1 | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J4 |
| 1 | SERVO2 | Connector_JST:JST_EH_B3B-EH-A_1x03_P2.50mm_Vertical | J6 |
| 1 | TPS563208DDCR | Package_TO_SOT_SMD:TSOT-23-6 | U4 |
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Questions
How big is the Propellor pitch bluetooth PCB?
It measures 65 × 22 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Propellor pitch bluetooth use?
54 parts, built around the ATMEGA328P-AU, HC-05, HX711 and TPS563208DDCR-MS. 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 Propellor pitch bluetooth KiCad files?
From the hpvdt/falcon_propellor_controller repository on GitHub, at the commit this page was made from: the board is hardware/propellor_pitch_bluetooth/propellor_pitch_bluetooth.kicad_pcb and its schematic hardware/propellor_pitch_bluetooth/propellor_pitch_bluetooth.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Propellor pitch bluetooth design in my own project?
Its repository states no licence, so its author keeps all rights: ask hpvdt before reusing the design.