Quantity   Component name
1 × LM13700 Amplifier and Linear ICs / Operational Amplifiers
4 × MCP6004 Amplifier and Linear ICs / Operational Amplifiers
2 × LM324 Amplifier and Linear ICs / Operational Amplifiers
10 × Capacitors Various size capactors
69 × Resistors Various value resistors
11 × Trim Pots Trimming Potentiometers
2 × Pololu Power Regulator 5V and -V power regulators