LockNfc3
About the LockNfc3 PCB
LockNfc3 is an open source STM32 PCB design by Kreyl, published on GitHub. It is a 2-layer board measuring 109 × 64 mm, with 118 components from 78 distinct parts.
Its main chip is the STM32F205VET6-100, from the STM32 family. By type, the board carries 48 capacitors, 25 resistors, 8 transistors, 4 switches, 2 fuses and 2 diodes.
From the project
Automatically exported from code.google.com/p/nute
LockNfc3 bill of materials (BOM)
118 components, 78 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MMBT2222 IRLML9303 | SOT23 | Q1 |
| 1 | MMBT2222 BC817 | SOT23 | Q2 |
| 1 | TSOP75256 IRLML6302 | SOT23 | Q3 |
| 1 | IRML9303 IRLML6302 | SOT23 | Q4 |
| 1 | BC848CL IRLML6302 | SOT23 | Q5 |
| 1 | MMBT2222 LED_RGB | LED_HH5050_RGB | Q6 |
| 2 | LED_RGB | LED_HH5050_RGB | Q7, Q8 |
| 1 | VS1011 | LQFP48 | DA1 |
| 1 | VS1011E-L TPA6211 | DRB8 | DA2 |
| 1 | MAX4453 NCP583SQ | SC82AB | DA3 |
| 1 | PN532 | QFN40 | DD1 |
| 1 | STM32F205VET6-100 M24C04 | SO8E | DD2 |
| 1 | STM32F205RX-64 | LQFP64 | DD3 |
| 2 | FUSE0R | SMD0603_FUSE | F1, F2 |
| 4 | HOLE_METALLED | Hole3_5_out6mm | HOLE1, HOLE2, HOLE3, HOLE4 |
| 1 | SS9 | SWITCH_SS9 | SW1 |
| 3 | BUTTON | BUTTON_6x6SMD | SW2, SW3, SW4 |
| 2 | 2.2U 2.2u | CAP_0603 | VCap1, VCap2 |
| 1 | CONN_4 | CONN_PBS_4R | XL1 |
| 1 | CONN_4 | CONN_PLS-4 | XL2 |
Show 58 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CONN_4 | CONN_MW_4M | XL3, XL11, XL12, XL13 |
| 1 | ST_SWD | CONN_PLS-4 | XL4 |
| 1 | USB_MICRO_B | USBmicro_MOLEX_WM17142 | XL5 |
| 1 | CONN_2 | CONN_PLS-2 | XL6 |
| 1 | CONN_3 | CONN_PLS-3 | XL7 |
| 1 | CONN_MICROSD | MICROSD_CAP_FIX05A | XL8 |
| 1 | CONN_1 | CONN1_SQUARE_1MM5 | XL9 |
| 1 | CONN_1 | CONN1_ROUND_1MM5 | XL10 |
| 1 | 27MHZ 27.12MHz | CRYSTAL_0503x4-4 | XTAL1 |
| 1 | 12MHZ 12.0MHz | CRYSTAL_0503x4-4 | XTAL2 |
| 2 | D_SHOTTKY | DIODE_SMA_DO214AC | D1, D2 |
| 1 | 18NH 560n | IND_0603 | L1 |
| 1 | 12NH 560n | IND_0603 | L2 |
| 2 | 10n | CAP_0603 | C1, C3 |
| 5 | 0.1u | CAP_0603 | C2, C17, C28, C29, C48 |
| 2 | 22p | CAP_0603 | C4, C5 |
| 1 | 220PF 1u | CAP_0603 | C6 |
| 3 | 10N 0.1u | CAP_0603 | C7, C9, C12 |
| 1 | 4u7 | CAP_0603 | C8 |
| 9 | 0.1U 0.1u | CAP_0603 | C10, C18, C23, C25, C39, C40, C42, C44 +1 |
| 1 | 220PF 1n | CAP_0603 | C11 |
| 1 | 47N 0.1u | CAP_0603 | C13 |
| 1 | 0.1U 4u7 | CAP_0603 | C14 |
| 1 | 10N 1u | CAP_0603 | C15 |
| 1 | 1n | CAP_0603 | C16 |
| 1 | 10u | CAP_0805 | C19 |
| 2 | 0.1U 220p | CAP_0603 | C20, C21 |
| 3 | 0.1U * | CAP_0603 | C22, C32, C33 |
| 3 | 10U 0.1u | CAP_0603 | C24, C27, C41 |
| 1 | 10U 10u | CAP_0805 | C26 |
| 2 | 0.1U 10u | CAP_0805 | C30, C43 |
| 1 | 10U * | CAP_0603 | C31 |
| 1 | 10U 1u | CAP_0603 | C35 |
| 2 | 20pF | CAP_0603 | C36, C37 |
| 3 | 0.1U 1u | CAP_0603 | C38, C45, C47 |
| 1 | 1u | CAP_0603 | C49 |
| 1 | 56K 4K7 | RES_0603 | R1 |
| 1 | 4K7 | RES_0603 | R2 |
| 1 | 4K7 20 | RES_0603 | R3 |
| 1 | 1k | RES_0603 | R4 |
| 1 | 20 | RES_0603 | R5 |
| 1 | 20R 150 | RES_0603 | R6 |
| 1 | 330K 10k | RES_0603 | R7 |
| 1 | 10R 10k | RES_0603 | R8 |
| 1 | 330K 1k | RES_0603 | R9 |
| 1 | 220R | RES_0603 | R10 |
| 1 | 20R 100R | RES_0603 | R11 |
| 1 | 15R 100R | RES_0603 | R12 |
| 1 | 150R 1k | RES_0603 | R13 |
| 1 | 220R 2k7 | RES_0603 | R14 |
| 2 | 100k | RES_0603 | R15, R16 |
| 1 | 10K 1 | RES_0603 | R17 |
| 1 | 51R 100R | RES_0603 | R18 |
| 1 | 1 | RES_0603 | R19 |
| 1 | 100R | RES_0603 | R20 |
| 1 | 150R 100R | RES_0603 | R21 |
| 3 | 100R | RES_0603 | R22, R23, R24 |
| 1 | 10K 100R | RES_0603 | R26 |
LockNfc3 design files
The KiCad project lives in the Kreyl/nute repository on GitHub; these links point at the commit this page was built from.
LockNfc3: common questions
What microcontroller does the LockNfc3 use?
The LockNfc3 is built around the STM32F205VET6-100, from the STM32 family.
How big is the LockNfc3 PCB?
The LockNfc3 measures 109 × 64 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LockNfc3?
118 components, from 78 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 LockNfc3 design files?
From the Kreyl/nute repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the LockNfc3 design in my own project?
The repository has no license, so all rights stay with Kreyl. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the LockNfc3 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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