HardLabs

Extraice

elkel53930·extraice5·extraice/extraice.kicad_pcb

Extraice PCB layout, top view — open source RP2040/RP2350 board by elkel53930

About the Extraice PCB

Extraice is an open source RP2040/RP2350 PCB design by elkel53930, published on GitHub. It is a 2-layer board measuring 38 × 61 mm, with 90 components from 31 distinct parts.

Its main chip is the ESP32-S3-PICO-1-N8R2, from the RP2040/RP2350 family. Other key parts include the XC6221B302GR, DRV8837C, ADCS7476, MB85RC64TA and AS5047D. By type, the board carries 28 capacitors, 21 resistors, 18 ICs, 8 connectors, 5 transistors and 4 diodes.

Main components on the Extraice

XC6221B302GRDRV8837CESP32-S3-PICO-1-N8R2ADCS7476MB85RC64TAAS5047DLSM6DSR

Extraice bill of materials (BOM)

90 components, 31 distinct parts.

QtyPartRefs
2
XC6221B302GR
U1, U17
2
DRV8837C
U2, U5
1
ESP32-S3-PICO-1-N8R2
U3
5
ADCS7476
U4, U10, U11, U18, U19
1
MB85RC64TA
U6
2
AS5047D
U7, U8
1
LSM6DSR
U9
2
~
U12, U13
2
~
U14, U15
1
MMBT3904
Q1
4
IRLML6344
Q2, Q3, Q4, Q5
1
Conn_01x02
J1
1
Conn_01x05
J3
2
Conn_01x02
J4, J5
2
EncSide
J6, J8
2
MainSide
J7, J9
4
Φ1.4
H1, H2, H3, H4
1
SMT-0440-T-2-R
LS1
1
PCM12SMTR
SW1
2
1608 LED
D1, D2
Show 11 more
QtyPartRefs
1
BAS516
D3
1
1608 R LED
D4
10
1608 6.3V 10uF
C1, C2, C3, C4, C6, C7, C9, C12 +2
2
3225 3.3u 16V
C5, C8
11
1005 50V 0.1uF
C10, C11, C13, C14, C15, C16, C20, C22 +3
5
1005 25V 1uF
C21, C23, C26, C27, C29
4
1005 1k
R1, R4, R17, R18
8
1005 10k
R2, R3, R5, R14, R16, R22, R24, R26
4
1608 10
R6, R8, R9, R23
1
1005 470 1%
R7
4
1005 1k 0.5%
R10, R27, R28, R29

Extraice design files

The KiCad project lives in the elkel53930/extraice5 repository on GitHub; these links point at the commit this page was built from.

Extraice: common questions

What microcontroller does the Extraice use?

The Extraice is built around the ESP32-S3-PICO-1-N8R2, from the RP2040/RP2350 family.

How big is the Extraice PCB?

The Extraice measures 38 × 61 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Extraice?

90 components, from 31 distinct parts. The full bill of materials is listed on this page.

Where can I download the Extraice design files?

From the elkel53930/extraice5 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Extraice design in my own project?

The repository has no license, so all rights stay with elkel53930. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Extraice 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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