Electrotechnique TSynth v4 Synthesizer Kit

via this auction

You can find demos of the TSynth v4 in previous posts here.

"A complete bill of materials (DIY Kit) to create your own TSynth, based on the latest Teensy v4.1 Microcontroller. All the parts you need will be provided, but some basic knowledge of soldering and using the Arduino IDE are required to complete the build.
Kit includes: Qty Description 1 Main PCB (with all SMD Parts pre-soldered) 1 Front Panel in Red 1 Teensy 4.1 Microcontroller (ARM Cortex M7) 1 Teensy 4 Audio Adaptor Board (Rev D) 1 Genuine SanDisk Micro SD card to hold Sound Patches (8GB) 2 20 Pin Headers - Male SIL, Extra long 15mm 2 20 Pin Headers - Female SIL, 2.54mm 1 TSynth Case in Red Laser Cut Acrylic (includes front, rear and bottom panels) 2 3D Printed "End Cheeks" for TSynth Case 1 LCD Display Module (ST7735 - 0.96" @ 160x80 Resolution) 33 Potentiometers, 10K LINEAR 20% 34 Control Knobs 7 Tactile Switches 12x12mm 7 Caps for Tactile Switches (Round Black) 1 Bourns Detent Rotary Encoder - 15mm shaft with push switch 1 USB Type A Connector 1 USB Type B Connector 2 Circular DIN Connectors 5 Pin MIDI Connectors 1 Genuine Rean 1/4" Stereo Jack with Gold pins 7 M3 x 22mm Standoffs (Female - Female) 7 M3 x 8mm Standoffs (Male - Female) 8 Mounting Bolts - M3 x 12mm 19 Mounting Bolts - M3 x 8mm 13 Mounting Nuts - M3 34 Yellow LEDs - through-hole, low power consumption @ 2ma"