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Fully working PedalinoMini™ with 4 footswitches



PedalinoMini™ 4

PedalinoMini™ 4 operates seamlessly with its 4 footswitches, featuring a big 1.9" color display equipped with WiFi, Bluetooth, and USB MIDI capabilities. It is powered through a USB-C port, using either a power adapter or, for enhanced convenience, a compact power bank, ensuring up to 6 hours of uninterrupted functionality.

Bill of Materials

Quantity Description Version Link Price (USD)
1 PedalinoMini™ 4 STL files Link 9
120 g 3D printed case (minimum size of printing bed 250 mm) PLA 5
1 T-Display-S3 Soldered Pin [H577] Link 15
1 T-Display TF Shield Female Pin [H610] Link 3
4 SPST Momentary Soft Touch Foot Switch 8
7 leds WS2812B 5050 RGB LED Strip 5V 30 led/m IP30 1
2 m Wire AWG24 AWG24 1
2 M3 Hex Socket Cap Screw 8 mm M3x8 0.2
4 M3 Hex Socket Cap Screw 10 mm M3x10 0.4
3 M3 Bolt 0.3
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Total 42.90

Wiring

The current wiring requires firmware version 3.5.0 or above.

Exploded View

Slicing Results

Firmware upload

  1. Press and hold the DOWN button, plug the USB-C cable, release the DOWN button

[!NOTE] The ESP32-S3 chip needs to be in bootloader mode for the detection as a DFU device and flashing.

  1. Visit http://alf45tar.github.io/PedalinoMini/installer

[!NOTE] Use Google Chrome or Microsoft Edge browser. Safari and iOS devices are not supported yet.

  1. Select the latest firmware available
  2. Press "Connect via USB"
  3. Select the USB/UART port where PedalinoMini™ 4 is connected and press "Connect"
  4. Select "INSTALL PEDALINOMINI™", flag "Erase device", press NEXT and press "INSTALL"
  5. Wait a couple of minutes to complete the installation and press "NEXT" at the end
  6. Disconnect and reconnect the USB-C cable to reboot the device
  7. Repeat step 2, 4, 5
  8. Select "CONNECT TO WI-FI"
  9. Select the Wireless Network, enter the Password of your WiFi and press "CONNECT"
  10. Select "VISIT DEVICE" to access web user interface

Prototype