HardLabs

BluetoothPedal Main

skngh·RidgeField·hardware/BluetoothPedal_Main/BluetoothPedal_Main.kicad_pcb

BluetoothPedal Main PCB layout, top view — open source ESP32 board by skngh
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About the BluetoothPedal Main PCB

BluetoothPedal Main is an open source ESP32 PCB design by skngh, published on GitHub under the MIT license. It is a 2-layer board measuring 52 × 59 mm, with 36 components from 23 distinct parts.

Its main chip is the XIAO-ESP32-C3-DIP, from the ESP32 family. Other key parts include the TL072CDR, TPS62163DSGT and Electrosmith_Daisy_Seed_Rev4. By type, the board carries 12 capacitors, 10 resistors, 3 ICs, 3 connectors, 3 diodes and 2 inductors.

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

From the project

Bluetooth guitar pedal using the Daisy Seed. Sends controls from a guitar mounted box to the enclosure on your pedalboard.

Made with KiCad 10.0. Older versions won't open these files.

- BluetoothPedalMain/: the main pedal board. Includes the Daisy, XIAO ESP32-C3, input/output buffers, DC power, footswitch and mix knob. - BluetoothPedalServer/: the guitar-mounted board. XIAO ESP32-C3, MCP3208 ADC, knobs, LDR, joystick, battery. - libs/: custom symbols, footprints and 3D models used by both projects - PCBWayFiles/: Gerbers, BOM and pick-and-place (-all-pos.csv) for each board. If you just want boards, these are all you need.

Main components on the BluetoothPedal Main

TL072CDRTPS62163DSGTXIAO-ESP32-C3-DIPElectrosmith_Daisy_Seed_Rev4

BluetoothPedal Main bill of materials (BOM)

36 components, 23 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TL072CDR
TL072
Texas Instruments
U1
1
TPS62163DSGT
Texas Instruments
U2
1
XIAO-ESP32-C3-DIP
U3
1
Electrosmith_Daisy_Seed_Rev4
A1
2
AudioJack2
J1, J2
1
Screw_Terminal_01x02
J3
1
R_Potentiometer
RV1
1
SW_SPST
SW1
1
SS14
onsemi
D1
1
LED
D2
1
LED
D3
1
BLM21PG600SN1D
FerriteBead
Murata Electronics
FB1
1
XFL3012-222MEC
2.2uH
Coilcraft
L1
1
CC0805JRNPO9BN101
100p
YAGEO
C1
1
CC0805JRNPO9BN102
1n
YAGEO
C2
3
CC0805KKX7R8BB105
1u
YAGEO
C3, C4, C5
3
CC0805MKX5R8BB226
22uF
YAGEO
C6, C8, C10
3
C0805C104K5RACTU
100n
KEMET
C7, C11, C12
1
CC0805KKX5R8BB106
10uF
YAGEO
C9
3
RC0805FR-071KL
1K
YAGEO
R1, R11, R12
Show 3 more
QtyPartRefs
4
RC0805FR-071ML
1M
YAGEO
R2, R3, R4, R5
2
RC0805FR-07100KL
100K
YAGEO
R6, R8
1
RC0805FR-07100RL
100R
YAGEO
R7

BluetoothPedal Main design files

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

BluetoothPedal Main: common questions

What microcontroller does the BluetoothPedal Main use?

The BluetoothPedal Main is built around the XIAO-ESP32-C3-DIP, from the ESP32 family.

How big is the BluetoothPedal Main PCB?

The BluetoothPedal Main measures 52 × 59 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the BluetoothPedal Main?

36 components, from 23 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 BluetoothPedal Main design files?

From the skngh/RidgeField 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 BluetoothPedal Main design in my own project?

Yes, under the terms of its MIT license, which skngh chose for the repository.

Can I test firmware for the BluetoothPedal Main 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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