A Digital Multimeter is a tool used to measure voltage, current and resistance in electronic circuits. A breadboard allows temporary prototyping of circuits by inserting components leads into holes and connecting them with wires. A soldering iron supplies heat to melt solder for permanently joining metal workpieces, like in circuit boards, and requires a stand. Solder is a metal alloy with a lower melting point than the pieces being joined used to create permanent bonds between metals.

1. P-4:Introduction to Electronics
Tool Kit
Compiled By: Prof. G.B.Rathod
EC Department,BVM Engineering College.

2. Outline
● Breadboard
● Soldering Iron + Stand
● Soldering Wire
● Desoldering Wire and Desoldering Pump
● Wire Cutter
● General purpose PCB
● Soldering Flux
● Digital Multimeter

3. Breadboard
A breadboard is a solderless device for temporary prototype with electronics and test circuit designs.
Most electronic components in electronic circuits can be interconnected by inserting their leads or
terminals into the holes and then making connections through wires where appropriate.

4. Breadboard

5. Soldering Iron
A soldering iron is a hand tool used in soldering. It supplies heat to melt solder so that it can flow
into the joint between two workpieces.
A soldering iron is composed of a heated metal tip and an insulated handle. Heating is often
achieved electrically, by passing an electric current (supplied through an electrical cord or battery
cables) through a resistive heating element. Cordless irons can be heated by combustion of gas
stored in a small tank, often using a catalytic heater rather than a flame. Simple irons less
commonly used today than in the past were simply a large copper bit on a handle, heated in a
flame.
Solder melts at approximately 185°C (365°F). Soldering irons are designed to reach a temperature range of 200°-480°C
(392°-896° F). Soldering irons are most often used for installation, repairs, and limited production work in electronics
assembly.

6. Soldering Iron + Stand

7. Solder
Solder is a fusible metal alloy used to create a permanent bond between metal workpieces.
Solder is melted in order to adhere to and connect the pieces after cooling, which requires
that an alloy suitable for use as solder have a lower melting point than the pieces being
joined. The solder should also be resistant to oxidative and corrosive effects that would
degrade the joint over time. Solder used in making electrical connections also needs to have
favorable electrical characteristics.

8. Desoldering Wire and Desoldering Pump

9. Wire Cutter

10. General purpose PCB
General Purpose PCB. General Purpose Zero PCB. As its name
suggests can be used for many purposes, general purpose PCB's are
widely used to embed circuits randomly for running of hardware. Its layer
is coated with copper and allows proper soldering without any short
circuit.

11. Soldering Flux
Flux is a chemical cleaning agent used before and during the soldering process
of electronic components onto circuit boards.The flux also protects the metal
surfaces from re-oxidation during soldering and helps the soldering process by
altering the surface tension of the molten solder.

12. Digital Multimeter (DMM)