HardLabs

Fire-32-a

johanputzolu-cmd·Onerom·hardware/pcb/verified/fire-32-a/kicad/fire-32-a.kicad_pcb

Fire-32-a PCB layout, top view — open source RP2040/RP2350 board by johanputzolu-cmd

About the Fire-32-a PCB

Fire-32-a is an open source RP2040/RP2350 PCB design by johanputzolu-cmd, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 18.9 × 41.7 mm, with 47 components from 21 distinct parts.

Its main chip is the RP2354B, from the RP2040/RP2350 family. Other key parts include the AP2112K-3.3, USBLC6-2P6 and W25Q16JVSS. By type, the board carries 22 capacitors, 11 resistors, 5 ICs, 4 connectors, 3 diodes and 1 crystal.

From the project

Verified. Supports 27C010, 27C020, 27C040, 27C301, SST39SF010 and SST39SF020 (not SST39SF040).

Verified. Supports 27C010, 27C020, 27C040, 27C301, SST39SF010 and SST39SF020 (not SST39SF040).

Based on fire-40-a, this design is a prototype to add 32 pin One ROM support.

Main components on the Fire-32-a

RP2354BAP2112K-3.3USBLC6-2P6W25Q16JVSS

Fire-32-a bill of materials (BOM)

47 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RP2354B
U1
1
Conn_02x16_Counter_Clockwise
U2
1
AP2112K-3.3
U3
1
USBLC6-2P6
U4
1
W25Q16JVSS
U5
1
CRYSTAL_GND24
Crystal_GND24
Y1
1
USB_C_RECEPTACLE_USB2.0_16P
USB_C_Receptacle_USB2.0_16P
J1
1
Conn_02x04_Odd_Even
J2
2
Conn_01x02_Pin
J3, J4
1
C2286
LED_Small
D1
2
1N5819WS
D2, D3
1
3.3U
3.3u
L1
6
4.7UF
4.7uF
C1, C2, C3, C7, C13, C15
12
0.1UF
0.1uF
C4, C5, C6, C8, C9, C10, C11, C12 +4
2
4.7UF
4.7uF
C16, C17
2
15PF
15pF
C18, C19
4
10K
R1, R3, R7, R8
3
1K
R2, R5, R6
1
33R
R4
2
5K1
R9, R10
Show 1 more
QtyPartRefs
1
C17168
0R
R12

Fire-32-a design files

The KiCad project lives in the johanputzolu-cmd/Onerom repository on GitHub; these links point at the commit this page was built from.

Fire-32-a: common questions

What microcontroller does the Fire-32-a use?

The Fire-32-a is built around the RP2354B, from the RP2040/RP2350 family.

How big is the Fire-32-a PCB?

The Fire-32-a measures 18.9 × 41.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Fire-32-a?

47 components, from 21 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 Fire-32-a design files?

From the johanputzolu-cmd/Onerom 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 Fire-32-a design in my own project?

Yes, under the terms of its CC-BY-SA-4.0 license, which johanputzolu-cmd chose for the repository.

Can I test firmware for the Fire-32-a 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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