ZenFly F71
About the ZenFly F71 PCB
ZenFly F71 is an open source STM32 PCB design by LongDo1902, published on GitHub. It is a 4-layer board measuring 41.5 × 41.5 mm, with 171 components from 116 distinct parts.
Its main chip is the ICM-42688-P, from the STM32 family. Other key parts include the AT7456E, BMP388, W25Q256JVEIQ, AZ1117-ADJ and TPS54335ADRCR. By type, the board carries 59 capacitors, 45 resistors, 28 connectors, 11 ICs, 9 LEDs and 6 inductors.
It belongs with the robotics & motion designs in this gallery.
From the project
Developing quadcopter from scratch including stm32 programing and self-built flight controller PCB.
Main components on the ZenFly F71
ZenFly F71 bill of materials (BOM)
171 components, 116 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ICM-42688-P STM32F722RET6 | STM32F722RET6 | U1 |
| 1 | AT7456E ICM-42688-P | ICM-42688-P | U2 |
| 1 | BMP388 W25Q128JVSIQ | SOIC127P790X216-8N | U3 |
| 1 | W25Q256JVEIQ BMP280 | XDCR_BMP280 | U4 |
| 1 | AZ1117-ADJ USBLC6-2P6 | USBLC6-2P6 | U5 |
| 1 | TPS54335ADRCR TLV75733PDBVR | TLV75733PDBVR | U6 |
| 1 | TPS54335ADRCR MP9943GQ-Z | QFN-8_MP9943_MNP | U7 |
| 1 | STM32F722RET6 MP9943GQ-Z | QFN-8_MP9943_MNP | U8 |
| 1 | ESP8285 | QFN50P500X500X90-33N | U9 |
| 1 | SE2431L-R | SE2431L_SKY-L | U10 |
| 1 | SX1280IMLTRT | XCVR_SX1280IMLTRT | U11 |
| 1 | MMBT3904TT1G | TRANS_MMBT3904TT1G | Q2 |
| 1 | 27MHZ NX2016SA-26MHZ-STD-CZS-2 | Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | 8MHZ Q22FA12800519 | Crystal_SMD_2016-4Pin_2.0x1.6mm | Y2 |
| 1 | 3X008000BP | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y3 |
| 1 | CONN_01X03 Conn_01x02_Socket | SMD_2Pads_Small | J1 |
| 1 | CONN_01X03 TYPEC-304YSSW-ACP16 | TYPEC-304-ACP16_XNP | J2 |
| 1 | CONN_01X03 Conn_01x03_Socket | SMD_3Pads_41mmCurve | J3 |
| 1 | CONN_01X03 SM06B-SRSS-TB_LF__SN_ | JST_SM06B-SRSS-TB_LF__SN_ | J4 |
| 2 | Conn_01x04_Socket | SMD_4Pads_Small | J5, J7 |
Show 96 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CONN_01X04 Conn_01x02_Socket | SMD_2Pads_Small | J6, J10 |
| 1 | CONN_01X06 SM08B-SRSS-TB_LF__SN_ | SM08B-SRSS-TB_LF_SN | J8 |
| 1 | TC2030-IDC-NL Conn_01x02_Socket | SMD_2Pads_Small | J9 |
| 1 | CONN_01X04 Conn_01x06_Socket | SMD_6Pads_Small | J11 |
| 1 | CONN_01X06 Conn_01x01_Socket | SMD_1Pad_Small | J12 |
| 5 | Conn_01x02_Socket | SMD_2Pads_Small | J13, J22, J23, J25, J27 |
| 2 | U.FL-R-SMT-1(10) | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J14, J17 |
| 4 | Conn_01x01_Socket | SMD_1Pad_Small | J15, J24, J26, J28 |
| 1 | Conn_01x08_Socket | SMD_8Pads_Small | J16 |
| 3 | Conn_01x03_Socket | SMD_3Pads_41mmCurve | J18, J19, J20 |
| 1 | 503398-1892 | MOLEX_503398-1892 | J21 |
| 1 | KLJ-4020 | KLJ-4020 | BZ1 |
| 1 | 2450FM07D0034T | 2450FM07D0034T | FL1 |
| 1 | MEM1608P75R0T001 | MEM1608P75R0T001 | FL2 |
| 2 | B3U-1000P | SW_B3U-1000P | SW1, SW3 |
| 1 | TA-3514-A1-B | Slide Switch TA-3514-A1-B | SW2 |
| 4 | 19-213/Y2C-CQ2R2L/3T(CY) | LED_0603 | LED1, LED2, LED4, LED8 |
| 1 | 19-213/R6C-AP1Q2B/5T | LED_0603 | LED3 |
| 1 | 19-213/BHC-ZL1M2RY/5T | LED_0603 | LED5 |
| 1 | 19-213/GVC-AMNB/5T | LED_0603 | LED6 |
| 1 | 19-213/GHC-XS1T1N/5T | LED_0603 | LED7 |
| 1 | NCD0603W3 | LED_0603 | LED9 |
| 1 | RB088LAM-40TFR BAT54C, 215 | SMD-DIODE-SCHOTTKY-30V-200MA_SOT-23 | D1 |
| 1 | PRTR5V0U2X P6SMB30CA | D_SMB | D2 |
| 1 | LMBR130T1G | D_SOD-123 | D3 |
| 1 | 120R BLM03AX121SN1D | C_0201_0603Metric | FB1 |
| 2 | 10uH | FEXL0550A-100M | L1, L2 |
| 1 | 15uH | L_0805_2012Metric | L3 |
| 2 | 3nH | L_0402_1005Metric | L4, L5 |
| 2 | 10P 100nF | C_0201_0603Metric | C1, C2 |
| 7 | 100N 100nF | C_0201_0603Metric | C3, C6, C9, C11, C14, C23, C45 |
| 1 | 0.1U 100nF | C_0201_0603Metric | C4 |
| 1 | 22U 4.7uF | C_0603_1608Metric | C5 |
| 1 | 2U2 100nF | C_0201_0603Metric | C7 |
| 1 | 22U 2.2uF | C_0402_1005Metric | C8 |
| 1 | 10N 10u | C_0603_1608Metric | C10 |
| 1 | 100N 2.2uF | C_0402_1005Metric | C12 |
| 2 | 100N 10nF | C_0201_0603Metric | C13, C24 |
| 2 | 10U 100nF | C_0201_0603Metric | C15, C16 |
| 2 | 10U 1u | C_0402_1005Metric | C17, C18 |
| 1 | 10U 10pF | C_0201_0603Metric | C19 |
| 4 | 100N 10pF | C_0201_0603Metric | C20, C21, C39, C40 |
| 1 | 22U 10pF | C_0201_0603Metric | C22 |
| 2 | 91P 4.7uF | C_0603_1608Metric | C25, C26 |
| 2 | 1N8 100nF | C_0201_0603Metric | C27, C28 |
| 1 | 47U 10nF | C_0201_0603Metric | C29 |
| 4 | 10uF | C_0805_2012Metric | C29_BEC1, C29_BEC2, C30_BEC1, C30_BEC2 |
| 2 | 47U 100nF | C_0201_0603Metric | C30, C31 |
| 2 | 1uF | C_0402_1005Metric | C31_BEC1, C31_BEC2 |
| 1 | 47U 470nF | C_0402_1005Metric | C32 |
| 2 | 100nF | C_0402_1005Metric | C32_BEC1, C32_BEC2 |
| 1 | 47U 18pF | C_0201_0603Metric | C33 |
| 3 | 100nF | C_0201_0603Metric | C33_BEC1, C33_BEC2, C44 |
| 1 | 10P 18pF | C_0201_0603Metric | C34 |
| 2 | 22uF | C_0603_1608Metric | C34_BEC1, C35_BEC1 |
| 2 | 22uF | C_0402_1005Metric | C34_BEC2, C35_BEC2 |
| 1 | 10P 1.2p | C_0201_0603Metric | C35 |
| 1 | 4U7 1.2p | C_0201_0603Metric | C36 |
| 1 | 10U 1.2p | C_0201_0603Metric | C37 |
| 1 | 1.2p | C_0201_0603Metric | C38 |
| 2 | 100N 1uF | C_0402_1005Metric | C41, C42 |
| 1 | 0.1U 10u | C_0603_1608Metric | C43 |
| 1 | 75R 0 | R_0201_0603Metric | R1 |
| 2 | 10K | R_0201_0603Metric | R2, R24 |
| 1 | 75R 10K | R_0201_0603Metric | R3 |
| 2 | 4.7K | R_0201_0603Metric | R4, R5 |
| 2 | 4K7 5.1k | R_0402_1005Metric | R6, R7 |
| 1 | 10K 22 | R_0201_0603Metric | R8 |
| 1 | 5K1 22 | R_0201_0603Metric | R9 |
| 1 | 5K1 10K | R_0201_0603Metric | R10 |
| 1 | 27R 10K | R_0201_0603Metric | R11 |
| 1 | 27R 12K | R_0402_1005Metric | R12 |
| 1 | 550R 10K | R_0201_0603Metric | R13 |
| 1 | 550R 18k | R_0402_1005Metric | R14 |
| 1 | 31K 2k | R_0201_0603Metric | R15 |
| 1 | 31K 560 | R_0201_0603Metric | R16 |
| 2 | 10K 330 | R_0201_0603Metric | R17, R18 |
| 1 | 100K 1.1K | R_0201_0603Metric | R19 |
| 1 | 9K7 330 | R_0201_0603Metric | R20 |
| 1 | 100K 330 | R_0201_0603Metric | R21 |
| 1 | 19K1 330 | R_0201_0603Metric | R22 |
| 1 | 18 | R_0201_0603Metric | R23 |
| 1 | 10K | R_0201_0603Metric | R25 |
| 1 | 10K 2.2K | R_0201_0603Metric | R26 |
| 2 | 1M | R_0402_1005Metric | R26_BEC1, R26_BEC2 |
| 1 | 330R 1.2K | R_0201_0603Metric | R27 |
| 2 | 100K | R_0402_1005Metric | R27_BEC1, R27_BEC2 |
| 1 | 100K | R_0201_0603Metric | R28 |
| 2 | 20 | R_0402_1005Metric | R28_BEC1, R28_BEC2 |
| 1 | 550R 330 | R_0201_0603Metric | R29 |
| 2 | 51K | R_0402_1005Metric | R29_BEC1, R29_BEC2 |
| 1 | 100K | R_0201_0603Metric | R30 |
| 1 | 3.92K | R_0402_1005Metric | R30_BEC1 |
| 1 | 7.5K | R_0402_1005Metric | R30_BEC2 |
| 3 | 330 | R_0201_0603Metric | R31, R32, R33 |
| 2 | 41.2K | R_0402_1005Metric | R31_BEC1, R31_BEC2 |
ZenFly F71 design files
The KiCad project lives in the LongDo1902/STM32_Drone repository on GitHub; these links point at the commit this page was built from.
ZenFly F71: common questions
What microcontroller does the ZenFly F71 use?
The ZenFly F71 is built around the ICM-42688-P, from the STM32 family.
How big is the ZenFly F71 PCB?
The ZenFly F71 measures 41.5 × 41.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ZenFly F71?
171 components, from 116 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 ZenFly F71 design files?
From the LongDo1902/STM32_Drone 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 ZenFly F71 design in my own project?
The repository has no license, so all rights stay with LongDo1902. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the ZenFly F71 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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