It is an RM065 5K Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.

A diode is a device which allows current flow through only one direction. That is the current should always flow from the Anode to cathode.

This is called a power diode because of its high forward current and reverse voltage with a power dissipation of 6.25W. For 1N5408 Diode, the maximum current carrying capacity is 3A it withstand peaks up to 200A. Hence we can use this in circuits that are designed for less than 3A.  The reverse current is 10uA which is negligible. These diodes have a slow recovery time so in modern electronics it is being replaced by other advanced diodes.

AMS1117-1.8V, 1A, Voltage Regulator IC is a series of low dropout three -terminal regulators with a dropout of 1.8V at 1A load current. AMS 1117 features a very low standby current 2mA.

AMS 1117 offers thermal shut down and current limit functions, to assure the stability of chip and power system. And it uses a trimming technique to guarantee output voltage accuracy within 2%. Other output voltage accuracy can be customized on demand, such as 1%

It is an RM065 100 Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.

This is a set of 10 4mm X 1mm round magnets. Use them for scientific utility, commercial use, projects or crafts.

0402 capacitor is Mounted either by flow or reflow soldering methods and gives excellent dielectric strength due to uniform structure of dielectric layers 

This is a silicon rectifier diode with high current capability. 1N5399 diode has a cathode (-) and anode (+). In the schematic symbol, the tip of the triangle with the line on top of it is the cathode. The cathode is marked on the body of a diode by a band.Diode polarity Current can flow from the anode to the cathode only and never from the cathode to the anode - 1N5399 diode is like a one way valve.

It is an RM065 500 Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.

It is an RM065 20K Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.

AMS1117-2.5V, 1A, Voltage Regulator IC is a series of low dropout three -terminal regulators with a dropout of 2.5V at 1A load current. AMS 1117 features a very low standby current 2mA.

AMS 1117 offers thermal shut down and current limit functions, to assure the stability of chip and power system. And it uses a trimming technique to guarantee output voltage accuracy within 2%. Other output voltage accuracy can be customized on demand, such as 1%

AMS1117-1.2V, 1A, Voltage Regulator IC is a series of low dropout three -terminal regulators with a dropout of 1.2V at 1A load current. AMS 1117 features a very low standby current 2mA.

AMS 1117 offers thermal shut down and current limit functions, to assure the stability of chip and power system. And it uses a trimming technique to guarantee output voltage accuracy within 2%. Other output voltage accuracy can be customized on demand, such as 1%

12-0-12 3Amp Center Tapped Step Down Transformer is a general purpose chassis mounting mains transformer. Transformer has 230V primary winding and center tapped secondary winding. The transformer has flying colored insulated connecting leads ( Approx 100 mm long ). The Transformer act as step down transformer reducing AC - 230V to AC - 12V.

The Transformer gives outputs of 12V, 12V and 0V. The Transformer's construction is written below with details of Solid Core and Winding.

0402 capacitor is Mounted either by flow or reflow soldering methods and gives excellent dielectric strength due to uniform structure of dielectric layers 

It is an RM065 1K Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.

2N3904 is a general purpose and very popular NPN Transistor based on Silicon Epitaxial Planar Technology. This NPN transistor finds application in amplification and a simple switching circuit. It comes with a TO-92 package with very less noise. Its pins are compatible with through-hole assembly on PCB.

It is an RM065 200K Ohm Trimpot Trimmer Potentiometer.  The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver.