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Pico2-demo

VTC-WISDOM·node_hardware·demo-board/pico2-demo/pico2-demo.kicad_pcb

Pico2-demo PCB layout, top view — open source RP2040/RP2350 board by VTC-WISDOM

About the Pico2-demo PCB

Pico2-demo is an open source RP2040/RP2350 PCB design by VTC-WISDOM, published on GitHub under the CERN-OHL-W-2.0 license. It is a 2-layer board measuring 76.2 × 101.6 mm, with 33 components from 20 distinct parts.

Its main chip is the RaspberryPi_Pico, from the RP2040/RP2350 family. Other key parts include the RFM69HCW, PCF8523T and CAT24M01W. By type, the board carries 6 capacitors, 6 resistors, 5 connectors, 5 switches, 4 diodes and 3 ICs.

It belongs with the rf & radio designs in this gallery.

From the project

Schematic/PCB designs for WiSDOM nodes, also includes a few other related hardware projects

changes: - removed 5v regulator - changed rp2040 xtal to the recommended part due to availability - changed the sim card slot due to availability - reviewed other parts and made changes to ensure full availability from both JLC and Digikey - changed footprints over to JLC library footprints - major layout changes- pin headers now broken out in two halves, etc - look at the pcb for a full description - removed jst connectors (evil) and replaced them with barrel jacks - mounting holes now m2.5 instead of m2

Main components on the Pico2-demo

RFM69HCWPCF8523TCAT24M01WRaspberryPi_Pico

Pico2-demo bill of materials (BOM)

33 components, 20 distinct parts.

QtyPartRefs
1
RFM69HCW
U1
1
PCF8523T
U2
1
CAT24M01W
U3
1
RaspberryPi_Pico
A2
1
915_SMA
J1
1
915_UFL
J2
2
Conn_01x20
J3, J4
1
Conn_02x02_Counter_Clockwise
J5
1
Antenna
AE1
1
CR2032
MYOUNG
BAT1
5
SW_Push
SW1, SW2, SW3, SW4, SW5
1
SC32S-7PF20PPM
XTAL1
4
LED
D1, D2, D3, D4
3
10u
C1, C3, C5
3
0.1u
C2, C4, C6
2
10k
R1, R2
1
ANT
R3
1
ANT1
R4
1
ANT2
R5
1
ANT3
R6

Pico2-demo design files

The KiCad project lives in the VTC-WISDOM/node_hardware repository on GitHub; these links point at the commit this page was built from.

Pico2-demo: common questions

What microcontroller does the Pico2-demo use?

The Pico2-demo is built around the RaspberryPi_Pico, from the RP2040/RP2350 family.

How big is the Pico2-demo PCB?

The Pico2-demo measures 76.2 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Pico2-demo?

33 components, from 20 distinct parts. The full bill of materials is listed on this page.

Where can I download the Pico2-demo design files?

From the VTC-WISDOM/node_hardware repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Pico2-demo design in my own project?

Yes, under the terms of its CERN-OHL-W-2.0 license, which VTC-WISDOM chose for the repository.

Can I test firmware for the Pico2-demo 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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