Axis V2
About the Axis V2 PCB
Axis V2 is an open source RP2040/RP2350 PCB design by Meigs2, published on GitHub. It is a 2-layer board measuring 120 × 60 mm, with 49 components from 21 distinct parts.
Its main chip is the Pico, from the RP2040/RP2350 family. Other key parts include the ADS1119IPWR, TCA9534, MAX31855EASA, PCA9544AD and MAX6107. By type, the board carries 17 resistors, 10 connectors, 10 capacitors, 9 ICs, 2 diodes and 1 switch.
From the project
An open source espresso machine controller inspired by the Gaggiuinio Project
This project is unfinished and is under active development.
For updates, come join the discord: https://discord.gg/SSdEUZB4Xh
Main components on the Axis V2
Axis V2 bill of materials (BOM)
49 components, 21 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Pico | RPi_Pico_SMD_TH | U1 |
| 1 | ADS1119IPWR | TSSOP-16_4.4x5mm_P0.65mm | U2 |
| 1 | TCA9534 | TSSOP-16_4.4x5mm_P0.65mm | U3 |
| 2 | MAX31855EASA | SOIC-8_3.9x4.9mm_P1.27mm | U4, U6 |
| 1 | PCA9544AD | SOIC-20W_7.5x12.8mm_P1.27mm | U5 |
| 1 | MAX6107 | SOT-23 | U7 |
| 1 | FM24CL16B | SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | DS3231MZ | SOIC-8_3.9x4.9mm_P1.27mm | U9 |
| 1 | SWD | JST_SH_SM03B-SRSS-TB_1x03-1MP_P1.00mm_Horizontal | J1 |
| 1 | GPIO | TerminalBlock_Phoenix_MKDS-1,5-8-5.08_1x08_P5.08mm_Horizontal | J2 |
| 1 | Conn_01x04 | TerminalBlock_Phoenix_MKDS-1,5-4-5.08_1x04_P5.08mm_Horizontal | J3 |
| 1 | UART | JST_SH_SM03B-SRSS-TB_1x03-1MP_P1.00mm_Horizontal | J4 |
| 2 | Conn_01x02 | TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J5, J6 |
| 1 | EXT_SPI | PinHeader_1x06_P2.54mm_Vertical | J7 |
| 1 | EXT_I2C | PinHeader_1x06_P2.54mm_Vertical | J8 |
| 1 | GPIO | PinHeader_1x08_P2.54mm_Vertical | J9 |
| 1 | HV_IDC | IDC-Header_2x04_P2.54mm_Vertical | J10 |
| 1 | RES | SW_SPST_B3U-1000P | SW1 |
| 2 | 4.7v | SOT-23 | D1, D2 |
| 10 | 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C8 +2 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 17 | 1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 +9 |
Axis V2 design files
The KiCad project lives in the Meigs2/Axis repository on GitHub; these links point at the commit this page was built from.
Axis V2: common questions
What microcontroller does the Axis V2 use?
The Axis V2 is built around the Pico, from the RP2040/RP2350 family.
How big is the Axis V2 PCB?
The Axis V2 measures 120 × 60 mm, has 2 copper layers and is 1 mm thick.
How many components are on the Axis V2?
49 components, from 21 distinct parts. The full bill of materials is listed on this page.
Where can I download the Axis V2 design files?
From the Meigs2/Axis repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Axis V2 design in my own project?
The repository has no license, so all rights stay with Meigs2. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Axis V2 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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