2 layers63 × 46 mm
Pi485
bvarner/pi485
An open-source TTL UART <-> RS485 converter, intended for a Raspberry Pi or Arduino
31 parts41MIT
2 layers22.2 × 20.3 mm
RS485
csabar/RS4854MAX485 breakout board which fits Arduino Pro mini
- Size
- 22.2 × 20.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 17
- Nets
- 13
- Pads
- 45
- Tracks, vias
- 155, 1
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 27 Aug 2017
- Updated
- 28 Aug 2017
Overview
RS485 is an open-source printed circuit board by csabar, from the csabar/RS485 repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 22.2 × 20.3 mm with 17 parts on 13 nets, routed with 155 tracks and 1 via.
It is built around the MAX485ED. Its parts include 7 resistors, 4 connectors, 2 capacitors and 1 IC. It belongs with the interfaces and adapters boards of this library.
Main components
1README
README.mdRS485
MAX485 breakout board which fits Arduino Pro Mini
Parts
17| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k0 | Resistors_SMD:R_0603 | R2, R3, R4, R5 |
| 2 | 20k | Resistors_SMD:R_0603 | R6, R7 |
| 2 | Screw_Terminal_1x02 | Connectors_Terminal_Blocks:TerminalBlock_Pheonix_MPT-2.54mm_2pol | J1, J2 |
| 1 | 100n | Capacitors_SMD:C_0603 | C2 |
| 1 | 10u | Capacitors_SMD:C_1206 | C1 |
| 1 | 120R | Resistors_SMD:R_0603 | R1 |
| 1 | CONN_01X03 | Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm | J3 |
| 1 | CONN_01X06 | Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm | J4 |
| 1 | Jumper | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | JP1 |
| 1 | Jumper_NC_Dual | Connectors:GS3 | JP2 |
| 1 | MAX485E | Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm | U1 |
| 1 | TEST | Measurement_Points:Measurement_Point_Round-SMD-Pad_Small | TP1 |
Questions
How big is the RS485 PCB?
It measures 22.2 × 20.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RS485 use?
17 parts, built around the MAX485ED. 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 RS485 KiCad files?
From the csabar/RS485 repository on GitHub, at the commit this page was made from: the board is rs485.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the RS485 design in my own project?
Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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