Specter
About the Specter PCB
Specter is an open source PCB design by zenos01, published on GitHub. It is a 4-layer board measuring 65 × 67 mm, with 72 components from 34 distinct parts.
Other key parts include the FT232RL, RT9742GGJ5, 74LVC1G07_COPY, AP2553W6 and AP3441SHE-7B. By type, the board carries 22 capacitors, 17 resistors, 15 connectors, 9 diodes, 7 ICs and 1 switch.
From the project
Open source Fiber Optic FPV system.
These files have been created in version 8 of KiCAD.
Some of the 3d models need to be downloaded form the following places and put into the CM5IO.3shapes directory some models are approximations.
https://datasheets.raspberrypi.org/cm5/CM5-step.zip https://www.molex.com/molex/products/part-detail/memorycardsocket/5033981892
The models provided in the 3dmodels directory are from various manufacturers including Diodes, Hirose, MTCONN, Toby, TRXCOM. Terms and conditions for the use of the models remain with the original manufacture.
Main components on the Specter
Specter bill of materials (BOM)
72 components, 34 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | FT232RL | SSOP-28_5.3x10.2mm_P0.65mm | U1, U2 |
| 1 | RT9742GGJ5 | SOT-23-5 | U3 |
| 1 | 74LVC1G07_COPY 74LVC1G07_copy | SOT-353_SC-70-5 | U7 |
| 1 | AP2553W6 | SOT-23-6 | U8 |
| 1 | AP3441SHE-7B | DFN-8-1EP_2x2mm_P0.5mm_EP1.05x1.75mm | U9 |
| 1 | ASEK-32.768KHZ-L-R-T | Crystal_SMD_3225-4Pin_3.2x2.5mm | U10 |
| 1 | USB_C_RECEPTACLE_USB2.0_16P USB_C_Receptacle_USB2.0_16P | USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
| 1 | MICRO_SD_CARD_DET2 Micro_SD_Card_Det2 | SDCARD_MOLEX_503398-1892 | J2 |
| 1 | BUS_M.2_SOCKET_M Bus_M.2_Socket_M | M.2 M Key socket | J3 |
| 2 | CONN_01X22_SOCKET Conn_01x22_Socket | Hirose_FH12-22S-0.5SH_1x22-1MP_P0.50mm_Horizontal | J4, J5 |
| 2 | DF40C-100DS-0.4V_51_ | HIROSE_DF40C-100DS-0.4V_51_ | J6, J9 |
| 4 | SM04B-SRSS-TB_LF__SN_ | JST_SM04B-SRSS-TB_LF__SN_ | J22, J24, J25, J26 |
| 4 | SM06B-SRSS-TB_LF__SN_ | JST_SM06B-SRSS-TB_LF__SN_ | J27, J28, J29, J30 |
| 1 | SKQGAFE010 | SW_SKQGAFE010 | S1 |
| 7 | LED | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2, D3, D4, D5, D6, D9 |
| 1 | C2290 LED RED | LED_0603_1608Metric | D7 |
| 1 | C2290 LED | LED_0603_1608Metric | D8 |
| 1 | 2.2UH 2.2uH | L_Bourns_SRP5030CC | L1 |
| 2 | 100N 100n | C_0402_1005Metric | C1, C2 |
| 2 | 1UF 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C9 |
Show 14 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C6 |
| 2 | 10UF 10uF | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C5, C7 |
| 10 | 10UF 10uF | C_0805_2012Metric | C8, C11, C12, C13, C15, C16, C19, C20 +2 |
| 1 | 100UF 100uF | CP_EIA-7343-31_Kemet-D | C14 |
| 2 | 100N 100nF | C_0402_1005Metric | C17, C23 |
| 1 | 4.7NF 4.7nF | C_0402_1005Metric | C18 |
| 1 | C25879 2.2K 1% | R_0402_1005Metric | R1 |
| 6 | 1K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R5, R7, R8, R9 |
| 3 | C25879 2.2K|1% | R_0402_1005Metric | R12, R13, R14 |
| 3 | 1K | R_0402_1005Metric | R17, R19, R23 |
| 1 | 15K | R_0402_1005Metric | R18 |
| 1 | C25741 100K | 1% | R_0402_1005Metric | R20 |
| 1 | C25744 10K | 1% | R_0402_1005Metric | R21 |
| 1 | C25879 2.2K | 1% | R_0402_1005Metric | R22 |
Specter design files
The KiCad project lives in the zenos01/ASRS-Specter repository on GitHub; these links point at the commit this page was built from.
Specter: common questions
How big is the Specter PCB?
The Specter measures 65 × 67 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Specter?
72 components, from 34 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 Specter design files?
From the zenos01/ASRS-Specter 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 Specter design in my own project?
The repository has no license, so all rights stay with zenos01. Use it as a reference, and ask the author before reusing the design.
