Swpeet 85Pcs 10Pcs 10 Types Integrated Circuit chip Assortment Kit,LM Series Dual/Quad Operational Amplifier Opamp, Single Precision Timer, Pwm - LM324 LM358 LM386 LM393 UA741 NE5532 NE555

WOWOONE 30 Types 74HCxx Series Logic IC Assortment Kit, Logic Gates, Integrated Circuits Assortment Kit, TTL, High-Speed Si-Gate CMOS IC, Low-Power

Rustark 169 Pcs 21 Types Integrated Circuit Chip Assortment Kit,Opamp, Oscillator, Logic Gate DIP IC Chip and Sockets Assorted Set with Store case for Electronic Equipment

Glarks 50Pcs 10 Types Integrated Circuit Chip IC Chips Assortment Kit, opamp, Single Precision Timer, pwm, Including LM324 LM358 LM386 LM393 UA741 NE5532 NE555 PC817 ULN2003 ULN2803

Glarks 85Pcs 10 Types Integrated Circuit Chip IC Chips Assortment Kit, opamp, Single Precision Timer, pwm, Including LM324 LM358 LM386 LM393 UA741 NE5532 NE555 PC817 ULN2003 ULN2803