2 layers21.1 × 26.9 mm
2 layers65 × 56 mm
Raspberry pi rs485
franzs/raspberry_pi_rs4853Raspberry Pi RS485 module
- Size
- 65 × 56 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 16
- Nets
- 44
- Pads
- 73
- Tracks, vias
- 81, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 17 Sep 2017
- Updated
- 19 Sep 2017
Overview
Raspberry pi rs485 is an open-source printed circuit board by franzs, from the franzs/raspberry_pi_rs485 repository on GitHub, published under the BSD-2-Clause licence. It is a 2-layer board of 65 × 56 mm with 16 parts on 44 nets, routed with 81 tracks and 0 vias.
It is built around the BS170. Its parts include 5 resistors, 4 connectors and 2 transistors. It belongs with the interfaces and adapters boards of this library.
Main components
1README
README.mdRS485 shield for Raspberry Pi 2/3
This Raspberry Pi RS485 module was heavily inspired by an article from the excellent german c't magazin:
Unter Strom - Stromverbrauch analysieren mit Raspi und Smart Meter
In addition to the schematic published a level shifter was added for the RXD input.
This shield was build around the MAX485 module from LC Electronics.
There is an AISLER project if you like to order a PCB.
Parts
16| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | RPi_Hat:RPi_Hat_Mounting_Hole | , , , | |
| 4 | 10k | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R2, R4, R5 |
| 2 | BS170 | TO_SOT_Packages_THT:TO-92_Molded_Wide_Oval | Q1, Q2 |
| 2 | CONN_01X04 | Socket_Strips:Socket_Strip_Straight_1x04_Pitch2.54mm | P5, P6 |
| 1 | 120 | Resistors_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3 |
| 1 | Jumper | Socket_Strips:Socket_Strip_Straight_2x01_Pitch2.54mm | JP1 |
| 1 | Raspberry_Pi_2_3 | Pin_Headers:Pin_Header_Straight_2x20_Pitch2.54mm | J1 |
| 1 | Screw_Terminal_1x03 | Connectors:bornier3 | J2 |
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Questions
How big is the Raspberry pi rs485 PCB?
It measures 65 × 56 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Raspberry pi rs485 use?
16 parts, built around the BS170. 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 Raspberry pi rs485 KiCad files?
From the franzs/raspberry_pi_rs485 repository on GitHub, at the commit this page was made from: the board is KiCad/raspberry pi rs 485.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Raspberry pi rs485 design in my own project?
Its repository publishes it under the BSD-2-Clause licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).