The Vtools 30351 component kit includes electronic components for experiments and projects involving LED indicators, lighting effects, sound generators, and alarms. The components can be used in circuits with temperature and light sensors, motor and load control, voltage regulation, basic logic, and digital control.

The kit also includes components for electronics learning and hands-on laboratory instruction.

• Type: Power supply
• Solderless breadboard: 1 piece
• Flexible jumper wires: 65 pieces
• Jumper wires with alligator clips: 10 pieces
• Potentiometer: B10K, 1 piece
• Piezoelectric transducer: 12 mm, 1 piece
• Electrolytic capacitors: 100 uF, 10 uF, and 1 uF, 10 pieces per value
• Ceramic capacitors: 100 nF, 10 nF, and 22 pF, 10 pieces per value
• Tactile switches: 5 × 5 mm, with 1 mm pins, 5 pieces
• Integrated circuits: ULN2803APG and 74HC59, 1 piece of each type
• Photoresistor: 1 piece
• Transistors and load-control components: TIP122, IRF540, and LD1117, 1 piece of each type
• Voltage regulator: LM780, 1 piece
• Thermistor: 10K, 1 piece
• Optocouplers: 4N35, 2 pieces
• Diodes: 1N4007, 2 pieces
• Transistors: 2N3904, 2N3906, BC547, and BC557, 2 pieces of each type
• Red LEDs: 5 mm, 10 pieces
• Green LEDs: 5 mm, 10 pieces
• Yellow LEDs: 5 mm, 10 pieces
• Resistors: 2k2, 4k7, 10k, 22k, 100k, 330k, and 1M, 10 pieces per value