Konga > Mic > Preamp > Schmitt Trigger > uController + KeyboardNotes Input = Drum Triggerd Notes

- convert Microphone - Pulses to Midi-Drum/Melody-Retrigger
read also: Forum-link

PCB:

• Audio PCB
• DipCoreF4 PCB
• UI PCB

Midibox:

• dipcoref4
  
• Soldering Iron, Wires, PCB….
  
• USB Power Supply

Schmitt-Trigger:

• TS-274 OP-Amp
  
• 14 Pin - DIP-Socket
  
• Pin-Header 2x5Pins (to connect the PCB to Core J5A)(you will also need a cable 4 that)
  
• Resistor R1 22K
  
• Resistor R2 4K7
  
• Resistor RFB 100K
  
• Resistor for Output-Gain-Reduction 100K
  
• 2x Electrolyt Capacitor 0,67uF (to decouple audio in and out)
  
• Electrolyt Capacitor 10uF for Supply
  
• Capacitor 100nF to denoise the OP-Amps-Rails…
  
• 2 Audio Cables+Sockets for the connection to the Recorder (6,3 mono jacks)

V0.2018clk2a2clk.zip write code

the basic shemata:


on Protoboard:

Schmitt-Trigger-Calculator

• Phatline = Programming, Documentation…
  

Just let a Private message on the forum to user already involved