2 layers144.1 × 108.1 mm
2 layers81 × 46 mm
Serial port sniffer
switchcraft/Serial-port-sniffer7A RS232 serial port sniffer with USB interface.
- Size
- 81 × 46 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 48
- Pads
- 144
- Tracks, vias
- 419, 19
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Oct 2018
- Updated
- 8 Oct 2018
Overview
Serial port sniffer is an open-source printed circuit board by switchcraft, from the switchcraft/Serial-port-sniffer repository on GitHub. It is a 2-layer board of 81 × 46 mm with 37 parts on 48 nets, routed with 419 tracks and 19 vias.
It is built around the MAX232N, FT232RL and LL4148. Its parts include 17 connectors, 8 capacitors, 4 resistors, 4 diodes and 2 ICs. It belongs with the interfaces and adapters boards of this library.
Main components
3
MAX232N
PDIP-160℃~+70℃ 120Kbps 2 2 4.5V~5.5V Transceiver PDIP-16 RS232 ICs ROHSTexas InstrumentsRS232 ICs
FT232RL
SSOP-28-208mil-40℃~+85℃ 3.3V~5.25V、4V~5.25V USB 2.0 USB to UART SSOP-28-208mil USB Converters ROHSFTDIUSB Converters
LL4148
LL-341 Independent 1V@10mA 200mA 4A 4ns 500mW 5uA@75V 75V LL-34 Switching Diodes ROHSMDDSwitching Diodes
README
README.mdSerial-port-sniffer
A RS232 serial port sniffer with USB interface.
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | GS2 | Connectors:GS2 | J3, J4, J6, J8, J10, J15 |
| 4 | 1u | Capacitors_SMD:C_0805 | C1, C2, C3, C4 |
| 4 | Conn_01x01 | Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm | J5, J7, J9, J11 |
| 2 | 100n | Capacitors_SMD:C_0603 | C5, C8 |
| 2 | 1k | Resistors_SMD:R_0805 | R3, R4 |
| 2 | 4k7 | Resistors_SMD:R_0805 | R1, R2 |
| 2 | LED | LEDs:LED_0805 | D3, D4 |
| 2 | LL4148 | Diode_SMD:D_SOD-123 | D1, D2 |
| 1 | 10n | Capacitors_SMD:C_0603 | C6 |
| 1 | 4u7 | Capacitors_SMD:CP_Elec_4x5.3 | C7 |
| 1 | Conn_01x02 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J17 |
| 1 | Conn_01x03 | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J14 |
| 1 | Conn_01x08 | Pin_Headers:Pin_Header_Straight_1x08_Pitch2.54mm | J13 |
| 1 | Conn_01x09 | Pin_Headers:Pin_Header_Straight_1x09_Pitch2.54mm | J16 |
| 1 | DB9_Female_MountingHoles | Connector_Dsub:DSUB-9_Female_Horizontal_P2.77x2.84mm_EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mm | J2 |
| 1 | DB9_Male_MountingHoles | Connector_Dsub:DSUB-9_Male_Horizontal_P2.77x2.84mm_EdgePinOffset7.70mm_Housed_MountingHolesOffset9.12mm | J1 |
| 1 | FT232RL | Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm | U2 |
| 1 | Ferrite_Bead | Inductor_SMD:L_1206_3216Metric | L1 |
| 1 | LOGO | Switchcraft:Switchcraft_medium_logo | G*** |
| 1 | MAX232 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | USB_B | Connector_USB:USB_B_OST_USB-B1HSxx_Horizontal | J12 |
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Questions
How big is the Serial port sniffer PCB?
It measures 81 × 46 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Serial port sniffer use?
37 parts, built around the MAX232N, FT232RL and LL4148. 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 Serial port sniffer KiCad files?
From the switchcraft/Serial-port-sniffer repository on GitHub, at the commit this page was made from: the board is serial_port_sniffer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Serial port sniffer design in my own project?
Its repository states no licence, so its author keeps all rights: ask switchcraft before reusing the design.