4 layers12 × 12 mm
2 layers35 × 40 mm
Femto tester v1
mfolejewski/FEMTO159FEMTO - RP2040 12x12mm PCB module
- Size
- 35 × 40 mm
- Copper layers
- 2
- Thickness
- 1.59 mm
- Parts
- 78
- Nets
- 77
- Pads
- 220
- Tracks, vias
- 381, 76
- Pours
- 15
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 18 Aug 2022
- Updated
- 8 Dec 2022
Overview
Femto tester v1 is an open-source printed circuit board by mfolejewski, from the mfolejewski/FEMTO repository on GitHub. It is a 2-layer board of 35 × 40 mm with 78 parts on 77 nets, routed with 381 tracks and 76 vias.
It is built around the NCP114ASN330T1G, PTS525SM15SMTR2LFS and U262-161N-4BVC11. Its parts include 4 resistors, 3 capacitors, 2 switches, 1 IC and 1 connector.
Main components
3
NCP114ASN330T1G
TSOP-5-1.5mm-40℃~+85℃@(Tj) 1 225mV@(300mA) 3.3V 300mA 5.5V 50uA 70uVrms 75dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection、Enable Positive TSOP-5-1.5mm Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSonsemiVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
PTS525SM15SMTR2LFS
SMD-4P,5.2x5.2mm-20℃~+70℃ 1.5mm 1.6N 15V 20mA 5.2mm 5.2mm Gull Wing Round Button SPST Surface Mount,Vertical SMD-4P,5.2x5.2mm Tactile Switches ROHSC&KTactile Switches
U262-161N-4BVC11
SMD-40℃~+85℃ 1 16P 3,000 Cycles 3A 7.3mm Female Surface Mount, Right Angle Type-C SMD USB Connectors ROHSXKB ConnectionUSB Connectors
README
readme.mdFemto - RP2040 12x12mm PCB module
Description
Femto is a ultra compact Raspberry Pi RP2040 module, which has features, as following:
- small footprint 12x12mm,
- all 30 GPIO pins connected,
- stamp form factor,
- 4-layer PCB board,
- onboard: QSPI Flash (USON8 package), 12MHz oscillator, PWR LED,
- fully open source project (OSHW).
Here you can find:
- \Photos: a few pictures of the assembled PCB boards
- \Python: simple script do test Femto module using Femto Tester board (use Thonny IDE)
- \manufacturing_files: all the production files for ordering PCB and assembly at JLCPCB (Gerber files, Pick & Place, BOM, etc.)
- \source_files: source files in Kicad and Altium Designer format
The main goal and reason to create this project was attempt to design as smallest as possible, and fully functional RP2040 module. Please note, that RP2040 MCU nas 7x7mm package, and Femto module has only a bit more, 12x12mm. In comparision, closer competitiors, such as Raspberry Pi Pico or RP2040 Stamp (Solder Party) have appropriately 51x21mm and 25x25mm.
The project consists of 3 parts:
- Module (mainboard)
- frame (solder frame)
- tester (testbench, only for functional verification)
License
Project published as Open Source Hardware (OSHW) under CERN OHL v1.2 (Open Hardware Licence).
Project has been certified as Open Source Hardware by the Open Source Hardware Association (OSHWA).
UID is: PL000009
https://certification.oshwa.org/pl000009.html
Press release:
Photos
Raspberry Pico and Femto Module v1:
Femto Module:
Femto Frame:
Femto Tester:
Parts
78| Qty | Value | Footprint | References |
|---|---|---|---|
| 31 | 2k | MirFol_db_local.DbLib:RES_0402_R | R_GP0, R_GP1, R_GP2, R_GP10, R_GP11, R_GP12, R_GP13, R_GP14, R_GP15, R_GP16, R_GP17, R_GP18, R_GP19, R_GP20, R_GP21, R1 +15 |
| 31 | Red | Pineberry_Lib.PcbLib:LED_0402_R | LED_GP0, LED_GP1, LED_GP2, LED_GP10, LED_GP11, LED_GP12, LED_GP13, LED_GP14, LED_GP15, LED_GP16, LED_GP17, LED_GP18, LED_GP19, LED_GP20, LED_GP21, LED1 +15 |
| 3 | Fiducial | FT_Footprints.PcbLib:PCB_FID_RND_100x300 | FID1, FID2, FID3 |
| 2 | 2.2uF | MirFol_db_local.DbLib:CAP_0402_R | C1, C2 |
| 2 | 27R | MirFol_db_local.DbLib:RES_0402_R | R2, R3 |
| 2 | 5.1k | MirFol_db_local.DbLib:RES_0402_R | R4, R5 |
| 2 | TACT Switch | MirFol_lib.PcbLib:SWI_CKS_PTS525 | SW1, SW2 |
| 1 | 47uF | MirFol_db_local.DbLib:CAP_0603_R | C3 |
| 1 | FEMTO V1 Module | E:_Biblioteki_MirFol_nowe_Pineberry_Lib.PcbLib_MOD_FEMTO_V1_120X120_P100 | MOD1 |
| 1 | NCP114ASN330T1G | E:_Biblioteki_MirFol_nowe_SH_lib.PcbLib_ICC_TSOT-5_290X160H110_P95 | U1 |
| 1 | PCB_LAYER_STACKUP | Pineberry_Lib.PcbLib:PCB_STACKUP-2L_A1 | PCB1 |
| 1 | U262-161N-4BVC11 | MirFol_lib.PcbLib:CON_XKB_U262-161N-4BVC11 | J1 |
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Questions
How big is the Femto tester v1 PCB?
It measures 35 × 40 mm and has 2 copper layers, 1.59 mm thick.
What parts does the Femto tester v1 use?
78 parts, built around the NCP114ASN330T1G, PTS525SM15SMTR2LFS and U262-161N-4BVC11. 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 Femto tester v1 KiCad files?
From the mfolejewski/FEMTO repository on GitHub, at the commit this page was made from: the board is source_files/Kicad/Tester/Femto_tester_v1.kicad_pcb and its schematic source_files/Kicad/Module/Femto_v1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Femto tester v1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask mfolejewski before reusing the design.