This set includes NE555 timers, LM324 amplifiers, 8-bit shift registers, quadruple bus buffer gates, L293D motor drivers and ULN2003 & ULN2803 darlington transistor arrays.

• 4x Timer NE555
• 4x Low power quad operational amplifier LM324
• 4x 8-Bit shift registers with 3-state output registers 74HC595
• 4x Quadruple bus buffer gates with 3-state outputs 74HCT125
• 2x Motor driver / quadruple half-H drivers L293D
• 4x High voltage, high current darlington transistor arrays 7 channel ULN2003
• 4x High voltage, high current darlington transistor arrays 8 channel ULN2803
• 1x Euro hole plastic box (140x70x30 mm)