Ghost feather v1
About the Ghost feather v1 PCB
Ghost feather v1 is an open source STM32 PCB design by PanBabinicz, published on GitHub. It is a 4-layer board measuring 106.6 × 106.7 mm, with 71 components from 33 distinct parts.
Its main chip is the STM32F722RET6, from the STM32 family. Other key parts include the BMI270, USBLC6-2SC6 and MPM3610. By type, the board carries 28 resistors, 21 capacitors, 7 connectors, 5 ICs, 4 transistors and 3 diodes.
It belongs with the dev boards & breakouts designs in this gallery.
Main components on the Ghost feather v1
Ghost feather v1 bill of materials (BOM)
71 components, 33 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F722RET6 STM32F722RETx STMicroelectronics | LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | BMI270 Bosch Sensortec | BMI270_BOS | U2 |
| 1 | USBLC6-2SC6 USBLC6-2SC6_MOD STMicroelectronics | SOT-23-6 | U3 |
| 2 | MPM3610 | MPM3610 | U4, U5 |
| 4 | BSS138 | SOT-23 | Q1, Q2, Q3, Q4 |
| 1 | AMPMGFB-16.0000T 16MHz ABRACON | AMPMGFB_1.6mm1.2mm_16MHz | X1 |
| 1 | CC4V-T1A-32.768kHz-10pF-20PPM-TA-QC 32kHz768 Micro Crystal | CC4V-T1A-32.768kHz | X2 |
| 1 | USB_C_RECEPTACLE_USB2.0 USB_C_Receptacle_USB2.0 | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J2 |
| 4 | 53048-0310 Conn_01x03 Molex | Molex_PicoBlade_53048-0310_1x03_P1.25mm_Horizontal | J3, J4, J5, J6 |
| 1 | 53048-0810 Conn_01x08 Molex | Molex_PicoBlade_53048-0810_1x08_P1.25mm_Horizontal | J7 |
| 1 | CONN_01X02 Conn_01x02 | AMASS_XT60PW-M_1x02_P7.20mm_Horizontal | J8 |
| 1 | BOOT0 | SW_SPST_EVQPE1 | SW2 |
| 1 | SML-P11VTT86R LED_USER ROHM Semiconductor | LED_0402_1005Metric | D1 |
| 1 | SML-P11VTT86R LED_PW1 ROHM Semiconductor | LED_0402_1005Metric | D2 |
| 1 | SML-P11VTT86R LED_PW2 ROHM Semiconductor | LED_0402_1005Metric | D3 |
| 11 | 100N 100n | C_0402_1005Metric | C1, C3, C4, C5, C6, C7, C9, C14 +3 |
| 1 | 1u | C_0603_1608Metric | C2 |
| 1 | 4U7 4u7 | C_0603_1608Metric | C8 |
| 1 | 1n | C_0402_1005Metric | C10 |
| 2 | 10P 10p | C_0402_1005Metric | C11, C12 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 2U2 2u2 | C_0603_1608Metric | C13 |
| 2 | 10U 10u | C_0603_1608Metric | C18, C20 |
| 2 | 22U 22u | C_0603_1608Metric | C19, C21 |
| 1 | 10K 10k | R_0402_1005Metric | R1 |
| 1 | 100 | R_0402_1005Metric | R2 |
| 7 | 220 | R_0402_1005Metric | R3, R6, R9, R12, R15, R23, R28 |
| 11 | 5K1 5k1 | R_0402_1005Metric | R4, R5, R7, R8, R10, R11, R13, R14 +3 |
| 3 | 100K 100k | R_0402_1005Metric | R19, R21, R24 |
| 1 | 47K 47k | R_0402_1005Metric | R20 |
| 1 | 19K1 19k1 | R_0402_1005Metric | R22 |
| 1 | 82K5 82k5 | R_0402_1005Metric | R25 |
| 1 | 75K 75k | R_0402_1005Metric | R26 |
| 1 | 24K 24k | R_0402_1005Metric | R27 |
Ghost feather v1 design files
The KiCad project lives in the PanBabinicz/ghost-feather repository on GitHub; these links point at the commit this page was built from.
Ghost feather v1: common questions
What microcontroller does the Ghost feather v1 use?
The Ghost feather v1 is built around the STM32F722RET6, from the STM32 family.
How big is the Ghost feather v1 PCB?
The Ghost feather v1 measures 106.6 × 106.7 mm, has 4 copper layers and is 1.58 mm thick.
How many components are on the Ghost feather v1?
71 components, from 33 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 Ghost feather v1 design files?
From the PanBabinicz/ghost-feather 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 Ghost feather v1 design in my own project?
The repository has no license, so all rights stay with PanBabinicz. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Ghost feather v1 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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