Learn how to identify and use various types of capcitor. This article explains the capacitor colour and number codes.
Find out what diodes are used for in electronics and the types of diode that are available.
|Light Emitting Diodes (LEDs)
LEDs are available in many shapes, sizes, and colours. This article explains the advantages of using them rather than lamps in your models.
James Johnston explains the advantages and disadvantages of using reed switches.
Find out how relays work and learn about the latching relay circuit.
Discover Ohm's Law and learn how to interpret the mysterious resistor colour code.
John Hewes looks at the characteristics of transformers and their varied uses in electronics.