• Atomic energy levels
• The metals crystal lattice
• Energy bands
• Allowed bands and forbidden bands
• Insulators, conductors and semiconductors
• The Ohmic conductor
• The PTC thermistor
• The NTC thermistor
• The photoresistor
• Semiconductors doping
• The junction diode
• The Led
• How to measure the Planck’s constant
• The reversibility of the Led
• The photovoltaic cell
• The solar panels
1 Red filter
1 Green filter
1 Purple/blue filter
1 Resistor holder base
1 Photoresistor on base
1 Thermoresistor NCT
1 Silicon Diode on base
2 Portable digital multimeters
1 Photovoltaic panel
1 PTC thermistor
1 Red led on base
1 Green led on base
1 Resistor 10 Ω 7W
1 Resistor 1 KΩ 2W
1 Resistor 100 Ω 2W
1 Set of 11 Tables
1 Small case for tables
1 Set of magnetic tokens
1 Box