2 layers100 × 100 mm
2 layers80 × 40 mm
Signal board
bwug/Microcontroller-Board1Microcontroller Board Designed for signal integrity
- Size
- 80 × 40 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 54
- Pads
- 124
- Tracks, vias
- 150, 13
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 6 Jan 2024
- Updated
- 18 Oct 2024
Overview
Signal board is an open-source printed circuit board by bwug, from the bwug/Microcontroller-Board repository on GitHub. It is a 2-layer board of 80 × 40 mm with 38 parts on 54 nets, routed with 150 tracks and 13 vias.
It is built around the PIC16F887-I/PT. Its parts include 14 resistors, 8 capacitors, 8 diodes, 3 connectors and 2 crystals. It belongs with the PIC boards of this library.
Main components
1README
README.mdMicrocontroller Board
Designed for signal integrity
This board connects a PIC16 or PIC18 microcontroller to a series of LED and resistor combos, this board was designed for university work though is more than viable for real-world testing applications due to the simplicity of individual pin testing
The goal of this design was to produce a small board which used different design principles taught throughout first semester to have great signal integrity
Use KiCanvas to view the board, the PCB can be seen here and the schematic here.
This project helped me develop my skills in developing boards when conciously thinking about the signals used throughout the circuit, as well as designing with a philosophy of "If someone uses this, will they be able to solder onto it?"
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 750 | Resistor_SMD:R_0805_2012Metric | R1, R2, R3, R4, R5, R6, R7, R8 |
| 8 | C | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C4, C5, C6, C7, C8 |
| 8 | LED | Diode_SMD:D_0805_2012Metric | D1, D2, D3, D4, D5, D6, D7, D8 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric | R10, R13 |
| 2 | 1k | Resistor_SMD:R_0805_2012Metric | R9, R11 |
| 2 | Crystal | Crystal:Crystal_SMD_0603-2Pin_6.0x3.5mm | Y1, Y2 |
| 1 | 1M | Resistor_SMD:R_0805_2012Metric | R12 |
| 1 | 220k | Resistor_SMD:R_0805_2012Metric | R14 |
| 1 | Conn_01x02 | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J3 |
| 1 | Header 2/SM | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J2 |
| 1 | INPUT CONNECTOR | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J1 |
| 1 | PIC16F887-I_PT | Package_QFP:LQFP-44_10x10mm_P0.8mm | CHIP1 |
| 1 | R_Potentiometer | Potentiometer_THT:Potentiometer_ACP_CA6-H2,5_Horizontal | RV1 |
| 1 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_XKB_TS-1187A | SW1 |
Questions
How big is the Signal board PCB?
It measures 80 × 40 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Signal board use?
38 parts, built around the PIC16F887-I/PT. 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 Signal board KiCad files?
From the bwug/Microcontroller-Board repository on GitHub, at the commit this page was made from: the board is signal_board.kicad_pcb and its schematic signal_board.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Signal board design in my own project?
Its repository states no licence, so its author keeps all rights: ask bwug before reusing the design.
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