Simple Circuit Modules, Pcb Mounted

These Simple Circuit Modules Are Intended To Be Used By The Students To Explore And Familiarize With The Applications Of Electrical / Electronic Components, Devices And Simple Circuits. All Modules Have Components Directly Mounted On A Pcb With Soft Cushioned Feet At The Bottom And Have 4Mm Sockets For Connecting The Modules In A Circuit Using Leads. Supplied Without Connecting Leads. Various Modules Available Are: (Reed Relay: Current Flowing Through The Coil Produces Magnetism To Cause The Reed To Switch Another Circuit; The Reed Contacts Being Protected From Short Circuit Damage By A Low Value Series Resistor.)