2 layers100 × 100 mm
2 layers51.4 × 32.3 mm
Comms
dj505/Pad-Light-Kit3A PIU pad lighting upgrade kit, featuring a 5x5 RGB LED grid
- Size
- 51.4 × 32.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 12
- Pads
- 41
- Tracks, vias
- 65, 11
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 20 Jan 2023
- Updated
- 20 Jul 2024
Overview
Comms is an open-source printed circuit board by dj505, from the dj505/Pad-Light-Kit repository on GitHub. It is a 2-layer board of 51.4 × 32.3 mm with 14 parts on 12 nets, routed with 65 tracks and 11 vias.
It is built around the SP3485EN-Y. Its parts include 4 connectors, 3 resistors, 1 capacitor and 1 IC. It belongs with the lEDs and displays boards of this library.
Main components
1README
Addons/Comms Controller/README.mdComms Controller
This addon is meant for all current revisions of the Pad Light Kit main board. As of writing, the current revision is Rev. 3.
This addon allows patterns to be uploaded to the main board(s) over RS485. Don't mix up the RS485 and power connectors!
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R5 |
| 2 | Conn_01x02 | Connector_JST:JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J1, J3 |
| 2 | Jumper_2_Bridged | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP2, JP3 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 1 | 120 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | Conn_01x01 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J4 |
| 1 | Conn_02x06_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical | J2 |
| 1 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SP3485EN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
The 12 most common of 14 parts.
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Questions
How big is the Comms PCB?
It measures 51.4 × 32.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Comms use?
14 parts, built around the SP3485EN-Y. 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 Comms KiCad files?
From the dj505/Pad-Light-Kit repository on GitHub, at the commit this page was made from: the board is Addons/Comms/Comms.kicad_pcb and its schematic Addons/Comms Controller/Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Comms design in my own project?
Its repository states no licence, so its author keeps all rights: ask dj505 before reusing the design.