Quantity   Component name
1 × PIC16F886-I/SO Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × PT2258 Electronic Volume Controller
2 × TL074 Amplifier and Linear ICs / Operational Amplifiers
2 × TL072 Amplifier and Linear ICs / Operational Amplifiers
1 × LM317 Power Management ICs / Linear Voltage Regulators and LDOs
1 × LM337 Power Management ICs / Linear Voltage Regulators and LDOs
1 × L7805 Power Management ICs / Linear Voltage Regulators and LDOs
1 × BC817 Discrete Semiconductors / Transistors, MOSFETs, FETs, IGBTs
1 × BSS138 Discrete Semiconductors / Diode-Transistor Modules
1 × W04G Discrete Semiconductors / Diode Arrays
1 × HD44780 - 16x2 LCD Liquid crystal display
1 × EC11 Rotary encoder with push-button Connectors and Accessories / Power Entry Modules, Plugs and Sockets