HardLabs

Controller

greyltc·hardware·KiCAD/controller/controller.kicad_pcb

Controller PCB layout, top view — open source AVR/Arduino board by greyltc
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About the Controller PCB

Controller is an open source AVR/Arduino PCB design by greyltc, published on GitHub under the CERN-OHL-1.2 license. It is a 4-layer board measuring 45.1 × 110 mm, with 32 components from 20 distinct parts.

Its main chip is the ARDUINO_MICRO, from the AVR/Arduino family. Other key parts include the 74LS249, KCSC02-123 and MCP23S17. By type, the board carries 10 resistors, 7 connectors, 6 ICs, 5 jumpers, 3 switches and 1 capacitor.

It belongs with the power & battery designs in this gallery.

From the project

Hardware disign files, for use with the KiCAD EDA

Main components on the Controller

ARDUINO_MICRO74LS249KCSC02-123MCP23S17

Controller bill of materials (BOM)

32 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ARDUINO_MICRO
U1
2
74LS249
U2, U3
2
KCSC02-123
U4, U5
1
MCP23S17
U6
1
AVR-JTAG-10
CON1
1
Conn_02x05_Counter_Clockwise
J1
2
Conn_01x17
J2, J4
1
Screw_Terminal_01x02
J3
2
Conn_02x03_Odd_Even
J5, J6
4
Jumper_NC_Dual
JP1, JP3, JP4, JP5
1
Jumper_NO_Small
JP2
2
SW_Grayhill_94H_Coded
SW1, SW2
1
SW_Push
SW3
1
0.1uF
C1
3
10K
R1, R2, R3
1
70K
R4
1
30K
R5
2
4.7k
R6, R7
1
100K
R8
2
1k
RN1, RN2

Controller design files

The KiCad project lives in the greyltc/hardware repository on GitHub; these links point at the commit this page was built from.

Controller: common questions

What microcontroller does the Controller use?

The Controller is built around the ARDUINO_MICRO, from the AVR/Arduino family.

How big is the Controller PCB?

The Controller measures 45.1 × 110 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Controller?

32 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Controller design files?

From the greyltc/hardware repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Controller design in my own project?

Yes, under the terms of its CERN-OHL-1.2 license, which greyltc chose for the repository.

Can I test firmware for the Controller without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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