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Sum25 Wand v2

collaborative-music-lab·ESP_MIDI·PCB/Kicad/instruments/Sum25_Wand_v2/Sum25_Wand_v2.kicad_pcb

Sum25 Wand v2 PCB layout, top view — open source ESP32 board by collaborative-music-lab
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About the Sum25 Wand v2 PCB

Sum25 Wand v2 is an open source ESP32 PCB design by collaborative-music-lab, published on GitHub. It is a 2-layer board measuring 245 × 30 mm, with 19 components from 10 distinct parts.

Its main chip is the Wifiduino-ESP32S3-SMD, from the ESP32 family. Other key parts include the 74AHCT1G125. By type, the board carries 4 switches, 4 diodes, 3 capacitors, 3 resistors and 2 ICs.

It belongs with the audio, iot & wireless and sensors designs in this gallery.

From the project

ESP32-s3 midi controller

1. The main PCB, with the ESP32 pre-soldered 2. 4 potentiometers, 2 to place on the PCB and two additional off-board potentiometers with small pcbs. 3. 4 Arcade Buttons 4. An LSM6DS3 IMU breakout board 5. An RGB LED and resistors

Make sure get your enclosure drilled for your faceplate before you mount your PCB to the faceplate in step 9!!!

1. Place two potentiometers on the PCB. Make sure they are flat. It is a good idea to place the potentiometers on a faceplate to make sure they are aligned. Solder the potentiometers in place. the potentiometers go on the opposite side of the PCB from the…

Main components on the Sum25 Wand v2

74AHCT1G125

Sum25 Wand v2 bill of materials (BOM)

19 components, 10 distinct parts.

QtyPartRefs
1
74AHCT1G125
U1
1
~
U2
1
Conn_01x07_Pin
IMU1
2
10k
RV1, RV2
4
SW_SPST
SW1, SW2, SW3, SW4
4
~
D1, D2, D3, D4
2
0.1uF
C1, C2
1
100uF
C3
1
220R
R1
2
R
R2, R3

Sum25 Wand v2 design files

The KiCad project lives in the collaborative-music-lab/ESP_MIDI repository on GitHub; these links point at the commit this page was built from.

Sum25 Wand v2: common questions

What microcontroller does the Sum25 Wand v2 use?

The Sum25 Wand v2 is built around the Wifiduino-ESP32S3-SMD, from the ESP32 family.

How big is the Sum25 Wand v2 PCB?

The Sum25 Wand v2 measures 245 × 30 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Sum25 Wand v2?

19 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the Sum25 Wand v2 design files?

From the collaborative-music-lab/ESP_MIDI repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Sum25 Wand v2 design in my own project?

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

Can I test firmware for the Sum25 Wand v2 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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