2 layers65 × 56 mm
2 layers148.6 × 24.1 mm
This is a project template for a Raspberry Pi B+ Hat.
- Size
- 148.6 × 24.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 107
- Nets
- 58
- Pads
- 264
- Tracks, vias
- 1,326, 143
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 7 Oct 2015
- Updated
- 20 Jun 2018
Overview
Plank is an open-source printed circuit board by cosmoproject, from the cosmoproject/cosmo-schematics repository on GitHub. It is a 2-layer board of 148.6 × 24.1 mm with 107 parts on 58 nets, routed with 1,326 tracks and 143 vias.
It is built around the MAX7313AEG+ and MCP3008-I/P. Its parts include 33 resistors, 27 connectors, 23 diodes, 20 capacitors and 2 ICs.
Main components
2
MAX7313AEG+
SSOP-24-150mil-40℃~+125℃ 16 2V~3.6V 400kHz Cascading and address extension、Built-in LED driver、PWMOptocouplers I2C Interrupt Output SSOP-24-150mil I/O Expanders ROHSMaxim Integrated (Analog Devices)I/O Expanders
MCP3008-I/P
PDIP-16-40℃~+85℃ 1.35MHz~3.6MHz 10 1LSB 2.7V~5.5V 200kHz 5nA 61dB 8 Multiplexers SAR SPI Yes PDIP-16 Analog to Digital Converters (ADC) ROHSMicrochip TechnologyAnalog To Digital Converters (ADC)
README
hat/README.md% RPi B+ Hat
Raspberry Pi B+ Hat
Expansion Board
This is a project template for a Raspberry Pi B+ Hat.
This base project includes a PCB edge defined according to this specification. Both a thru-hole and a surface mount connector are provided, along with a different PCB edge for each. Just keep the PCB edge and connector type that you're using for your design and delete the others.
The component footprints used in this template are here.
The board outline looks like this:
Using the Template
To use the Raspberry Pi Hat template with the through-hole connector, do the following:
- Open the schematic. Remove the SMD connector, J1.
- Generate the schematic netlist.
- Generate the .cmp file. (The J2 connector will be the only component in it.)
- Open the PCB. Hover your mouse over the connector and hit e to edit it. Select the J1 SMD connector. In the Move and Place section of the Footprint Properties window, select the Free radio button. Then click OK. The SMD connector should now be unlocked so it can be removed.
- Read in the netlist from the schematic. In the Extra Footprints section of the Netlist dialog window, select the Delete radio button. Then click Read Current Netlist. The J1 SMD connector should disappear. Then click Close.
- Finally, delete the upper two arcs and the edge of the board outline.
To use the Raspberry Pi Hat template with the SMD connector, do the following:
- Open the schematic. Remove the through-hole connector, J2.
- Generate the schematic netlist.
- Generate the .cmp file. (The J1 connector will be the only component in it.)
- Open the PCB. Hover your mouse over the connector and hit e to edit it. Select the J2 through-hole connector. In the Move and Place section of the Footprint Properties window, select the Free radio button. Then click OK. The through-hole connector should now be unlocked so it can be removed.
- Read in the netlist from the schematic. In the Extra Footprints section of the Netlist dialog window, select the Delete radio button. Then click Read Current Netlist. The J2 through-hole connector should disappear. Then click Close.
- Finally, delete the lower two arcs and the edge of the board outline.
(c)2015 XESS Corp.
Parts
107| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | ZENER | Diodes_SMD:SOD-523 | D1, D2, D4, D10, D11, D12, D13, D14, D16, D17, D18, D19, D20, D21, D22, D23 +4 |
| 19 | C | Capacitors_SMD:C_0603 | C1, C2, C4, C5, C6, C10, C11, C12, C14, C15, C16, C17, C18, C19, C20, C21 +3 |
| 9 | 10k | Resistors_SMD:R_0603 | R2, R25, R26, R27, R28, R29, R30, R31, R32 |
| 8 | 1k | Resistors_SMD:R_0603 | R16, R17, R18, R19, R20, R21, R22, R23 |
| 8 | R | Resistors_ThroughHole:Resistor_Horizontal_RM10mm | R8, R9, R10, R11, R12, R13, R14, R15 |
| 3 | 100 | Resistors_SMD:R_0603 | R1, R3, R4 |
| 2 | DNM | Resistors_SMD:R_0603 | R33, R34 |
| 1 | 150 | Resistors_SMD:R_0603 | R6 |
| 1 | 180 | Resistors_SMD:R_0603 | R5 |
| 1 | 3.3V | Pin_Headers:Pin_Header_Straight_1x02 | P1 |
| 1 | ANA0 | Potentiometers:Potentiometer_WirePads | P8 |
| 1 | ANA1 | Potentiometers:Potentiometer_WirePads | P12 |
| 1 | ANA2 | Potentiometers:Potentiometer_WirePads | P16 |
| 1 | ANA3 | Potentiometers:Potentiometer_WirePads | P22 |
| 1 | ANA4 | Potentiometers:Potentiometer_WirePads | P9 |
| 1 | ANA5 | Potentiometers:Potentiometer_WirePads | P13 |
| 1 | ANA6 | Potentiometers:Potentiometer_WirePads | P17 |
| 1 | ANA7 | Potentiometers:Potentiometer_WirePads | P23 |
| 1 | BLUE TEST | LEDs:LED_0603 | D15 |
| 1 | CONN_01X05 | Pin_Headers:Pin_Header_Straight_1x05 | P27 |
| 1 | CP | Capacitors_ThroughHole:C_Radial_D5_L11_P2.5 | C13 |
| 1 | FUSE | Capacitors_SMD:C_1206_HandSoldering | F1 |
| 1 | GREEN PWR | LEDs:LED_0603 | D6 |
| 1 | I2C | Pin_Headers:Pin_Header_Straight_1x04 | P2 |
| 1 | LED0 | Pin_Headers:Pin_Header_Straight_1x02 | P7 |
| 1 | LED1 | Pin_Headers:Pin_Header_Straight_1x02 | P11 |
| 1 | LED2 | Pin_Headers:Pin_Header_Straight_1x02 | P15 |
| 1 | LED3 | Pin_Headers:Pin_Header_Straight_1x02 | P19 |
| 1 | LED4 | Pin_Headers:Pin_Header_Straight_1x02 | P21 |
| 1 | LED5 | Pin_Headers:Pin_Header_Straight_1x02 | P24 |
| 1 | LED6 | Pin_Headers:Pin_Header_Straight_1x02 | P25 |
| 1 | LED7 | Pin_Headers:Pin_Header_Straight_1x02 | P26 |
| 1 | MAX7313 | Housings_SSOP:SSOP-24_3.9x8.7mm_Pitch0.635mm | U1 |
| 1 | MCP3008 | Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm | U2 |
| 1 | Q_PNP_BEC | TO_SOT_Packages_SMD:SOT-23 | Q1 |
| 1 | R | Resistors_SMD:R_0603 | R7 |
| 1 | RED FAULT | LEDs:LED_0603 | D3 |
| 1 | SW0 | Pin_Headers:Pin_Header_Straight_1x02 | P3 |
| 1 | SW1 | Pin_Headers:Pin_Header_Straight_1x02 | P4 |
| 1 | SW2 | Pin_Headers:Pin_Header_Straight_1x02 | P5 |
| 1 | SW3 | Pin_Headers:Pin_Header_Straight_1x02 | P6 |
| 1 | SW4 | Pin_Headers:Pin_Header_Straight_1x02 | P10 |
| 1 | SW5 | Pin_Headers:Pin_Header_Straight_1x02 | P14 |
| 1 | SW6 | Pin_Headers:Pin_Header_Straight_1x02 | P18 |
| 1 | SW7 | Pin_Headers:Pin_Header_Straight_1x02 | P20 |
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Questions
How big is the Plank PCB?
It measures 148.6 × 24.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Plank use?
107 parts, built around the MAX7313AEG+ and MCP3008-I/P. 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 Plank KiCad files?
From the cosmoproject/cosmo-schematics repository on GitHub, at the commit this page was made from: the board is plank/plank.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Plank design in my own project?
Its repository states no licence, so its author keeps all rights: ask cosmoproject before reusing the design.