2 layers34.3 × 54.6 mm
2 layers83.1 × 75.6 mm
RelayBoard
snidera/FireworksFireworks controller
- Size
- 83.1 × 75.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 64
- Nets
- 88
- Pads
- 264
- Tracks, vias
- 522, 8
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 15 Jul 2014
- Updated
- 7 Nov 2014
Overview
RelayBoard is an open-source printed circuit board by snidera, from the snidera/Fireworks repository on GitHub. It is a 2-layer board of 83.1 × 75.6 mm with 64 parts on 88 nets, routed with 522 tracks and 8 vias.
It is built around the ULN2803 and MCP23017-E/SS. Its parts include 19 resistors, 16 diodes, 16 switches, 4 connectors and 3 ICs.
Main components
2
ULN2803
SOP-18-300mil-20℃~+70℃ 1.7V 100uA 15pF 30V 500mA 50V 65uA 8 SOP-18-300mil Darlington Transistor Arrays ROHSShanghai Siproin MicroelectronicsDarlington Transistor Arrays
MCP23017-E/SS
SSOP-28(5.3x10.2x0.65)-40℃~+125℃ 1.7MHz 1.8V~5.5V 16 1uA 600mV 8 8mA I2C Interrupt Output Reset function、Cascading and address extension SSOP-28 I/O Expanders ROHSMicrochip TechnologyI/O Expanders
Parts
64| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 150 | SM0603 | R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19 |
| 16 | LED | LED-0603 | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16 |
| 16 | RELAY_SPDT | SPDT_Relay | K1, K2, K3, K4, K5, K6, K7, K8, K9, K10, K11, K12, K13, K14, K15, K16 |
| 5 | P*** | 1pin | 1PIN1, 1PIN2, 1PIN3, 1PIN4, 1PIN5 |
| 3 | 10K | SM0603 | R1, R2, R3 |
| 2 | DIL16 | 2x08 | P3, P4 |
| 2 | ULN2803 | DIP-18__300 | U2, U3 |
| 1 | 0.1u | C1 | C1 |
| 1 | CONN_5 | SIL-5 | P2 |
| 1 | DIL6 | DIP-6__300 | P1 |
| 1 | MCP23017 | DIP-28__300 | U1 |
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Questions
How big is the RelayBoard PCB?
It measures 83.1 × 75.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RelayBoard use?
64 parts, built around the ULN2803 and MCP23017-E/SS. 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 RelayBoard KiCad files?
From the snidera/Fireworks repository on GitHub, at the commit this page was made from: the board is PCBs/RelayBoard/PCB.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the RelayBoard design in my own project?
Its repository states no licence, so its author keeps all rights: ask snidera before reusing the design.