Amplifier, DIP-8 Operational amplifier, DIP-8100V 0.15A standard switching diode, DO-35Push button switch, generic, two pins Switch, single pole double throw, center OFF position K switch SPST right angle, PTS645VL39-2 LFS tactile switch switch normally-open pushbutton push-button Lamp D Push button switch, generic, two pins | Dailywell | PAS7B3M1CESA6-5 | Tayda | A-1605 | \* Fit SIP socket for\nsocketing.