HardLabs

Cnc hmi

tangentaudio·pico-cnc-hmi·hardware/cnc-hmi/cnc-hmi.kicad_pcb

Cnc hmi PCB layout, top view — open source RP2040/RP2350 board by tangentaudio
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About the Cnc hmi PCB

Cnc hmi is an open source RP2040/RP2350 PCB design by tangentaudio, published on GitHub. It is a 2-layer board measuring 381 × 127 mm, with 160 components from 25 distinct parts.

Its main chip is the RaspberryPi_Pico, from the RP2040/RP2350 family. Other key parts include the C7843, TLC59116FIPWR and 74LCX07. By type, the board carries 53 switches, 50 diodes, 16 resistors, 13 capacitors, 12 LEDs and 4 connectors.

It belongs with the robotics & motion designs in this gallery.

From the project

Raspberry Pi Pico HMI for LinuxCNC using USB Raw HID

Main components on the Cnc hmi

C7843TLC59116FIPWR74LCX07RaspberryPi_Pico

Cnc hmi bill of materials (BOM)

160 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C7843
TCA8418RTWR
U1
1
TLC59116FIPWR
U2
1
74LCX07
U3
1
RaspberryPi_Pico
A1
1
Conn_01x03
J1
1
Conn_01x04
J2
1
Conn_01x08
J3
1
Conn_01x05
J4
1
SRGPHJ3200
ENC1
1
~
LCD1
3
REC16K25-201
S1, S2, S3
6
~
ST1, ST2, ST3, ST4, ST5, ST6
44
CHERRY_MX_PCB
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +36
1
CHERRY_MX_PCB
SW16
5
CHERRY_MX_PCB
SW38, SW45, SW46, SW47, SW48
12
LED
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +4
45
C965555
D_Small
D1, D2, D3, D4, D5, D6, D7, D8 +37
5
D_Small
D46, D47, D48, D49, D50
1
C1590
C_VSL
C1
1
C1590
C_VCOMH
C2
Show 5 more
QtyPartRefs
1
C1712
C_VSEGM
C3
7
0.1uF
C4, C6, C8, C10, C11, C12, C13
3
1uF
C5, C7, C9
15
10K
R1, R2, R3, R4, R5, R6, R8, R9 +7
1
R_IREF
R7

Cnc hmi design files

The KiCad project lives in the tangentaudio/pico-cnc-hmi repository on GitHub; these links point at the commit this page was built from.

Cnc hmi: common questions

What microcontroller does the Cnc hmi use?

The Cnc hmi is built around the RaspberryPi_Pico, from the RP2040/RP2350 family.

How big is the Cnc hmi PCB?

The Cnc hmi measures 381 × 127 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cnc hmi?

160 components, from 25 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 Cnc hmi design files?

From the tangentaudio/pico-cnc-hmi repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Cnc hmi design in my own project?

The repository has no license, so all rights stay with tangentaudio. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Cnc hmi without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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