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2 layers108 × 80 mmBridge, the printed circuit board in 3D

This is the official repository for the autonomous golf cart project at MVTHS

Size
108 × 80 mm
Copper layers
2
Thickness
1.6 mm
Parts
45
Nets
64
Pads
188
Tracks, vias
736, 37
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
8 Nov 2023
Updated
4 Jun 2024

Overview

Bridge is an open-source printed circuit board by Roman-Rice-Engineering, from the Roman-Rice-Engineering/auto-golf-cart repository on GitHub, published under the MIT licence. It is a 2-layer board of 108 × 80 mm with 45 parts on 64 nets, routed with 736 tracks and 37 vias.

It is built around the ATMEGA328P-PU, MCP4901-E/P and J104D2C12VDC.20S, with the L7805 among its other parts. Its parts include 12 resistors, 9 diodes, 9 connectors, 5 capacitors and 5 ICs. It belongs with the interfaces and adapters boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

4

Parts

45
QtyValueFootprintReferences
710kbridge:THT_RESISTOR_WITH_VALUER1, R2, R3, R4, R6, R7, R13
51uCapacitor_THT:CP_Radial_D5.0mm_P2.00mmC1, C2, C3, C5, C6
5SW_SPSTConnector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalSW1, SW2, SW3, SW4, SW5
4YELLOWLED_THT:LED_D5.0mmD1, D6, D7, D8
347kbridge:THT_RESISTOR_WITH_VALUER5, R9, R11
3REDLED_THT:LED_D5.0mmD3, D4, D5
3Screw_Terminal_01x06bridge:TE_2-1437667-9J1, J2, J3
2Conn_01x02Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_VerticalJ6, J8
1100kbridge:THT_RESISTOR_WITH_VALUER12
15kbridge:THT_RESISTOR_WITH_VALUER8
1ATmega328P-PPackage_DIP:DIP-28_W7.62mmU4
1BLUELED_THT:LED_D5.0mmD2
1Conn_01x03Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJ7
1Conn_01x04Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ5
1Conn_01x23Connector_TE-Connectivity:TE_AMPSEAL_1-776087-x_3Rows_23_P0.4mm_HorizontalJ4
1GREENLED_THT:LED_D5.0mmD9
1J104D2C12VDC.20Sbridge:RELAY8_J104D2C12VDC.20S_CRSU2
1L293Package_DIP:DIP-16_W7.62mmU1
1L7805Package_TO_SOT_THT:TO-220-3_Horizontal_TabDownU5
1MCP4901Package_DIP:DIP-8_W7.62mmU6
1MCU_Test_PointConnector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_VerticalJ9

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Questions

How big is the Bridge PCB?

It measures 108 × 80 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Bridge use?

45 parts, built around the ATMEGA328P-PU, MCP4901-E/P, J104D2C12VDC.20S and L7805. 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 Bridge KiCad files?

From the Roman-Rice-Engineering/auto-golf-cart repository on GitHub, at the commit this page was made from: the board is bridge/pcb/bridge/bridge.kicad_pcb and its schematic bridge/pcb/bridge/bridge.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Bridge design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).