Remote unit v2
About the Remote unit v2 PCB
Remote unit v2 is an open source Raspberry Pi PCB design by plusvic, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 64 × 114.9 mm, with 12 components from 10 distinct parts.
Its main chip is the SC0918, from the Raspberry Pi family. By type, the board carries 3 connectors, 3 capacitors, 2 diodes, 1 module, 1 transistor and 1 switch.
From the project
General description of the Simplebus2 protocol used by some Comelit's intercoms. Hardware for retransmitting Simplebus2 messages over UART.
Main components on the Remote unit v2
Remote unit v2 bill of materials (BOM)
12 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SC0918 | MODULE_SC0918 | A1 |
| 1 | Q_NPN_Darlington_BCE | TO-220-3_Horizontal_TabDown | Q1 |
| 1 | LEDS | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J1 |
| 1 | HC-12 | PinSocket_1x05_P2.54mm_Vertical | J2 |
| 1 | MOTOR | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3 |
| 1 | OPEN DOOR | COM-10302_SPK | SW1 |
| 2 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2 |
| 2 | 470uF | CP_Radial_D8.0mm_P3.50mm | C1, C2 |
| 1 | 680uF | CP_Radial_D10.0mm_P5.00mm | C3 |
| 1 | 1k | R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R1 |
Remote unit v2 design files
The KiCad project lives in the plusvic/simplebus2-intercom repository on GitHub; these links point at the commit this page was built from.
Remote unit v2: common questions
What microcontroller does the Remote unit v2 use?
The Remote unit v2 is built around the SC0918, from the Raspberry Pi family.
How big is the Remote unit v2 PCB?
The Remote unit v2 measures 64 × 114.9 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Remote unit v2?
12 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Remote unit v2 design files?
From the plusvic/simplebus2-intercom repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Remote unit v2 design in my own project?
Yes, under the terms of its CC0-1.0 license, which plusvic chose for the repository.
Can I test firmware for the Remote unit v2 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.
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