3-12VDC 2250mA Power Adaptor, Plug in Power Supply with Multi Tips & Voltages

Hammond 1598ESGY ABS Instrument Enclosure with Aluminium End Plates: 160 x 160 x 86mm.

• Modern low profile designed instrument enclosure.
• Two sets of vertical 1.5 mm (0.062”) P.C. board guides are molded into case halves, front and rear.
• Textured grey plastic top & bottom halves.
• Molded in ABS plastic.
• Front and rear panels are 1.6 mm brushed aluminum with protective paper on one side.
• Easy access to interior via shell type construction.
• Integral horizontal P.C. card mounts on Eurocard centers.
• P.C. card standoffs molded into top & bottom half of enclosure - 

Eiechip 100-Piece Polyester Capacitor Kit in a Handy Carrying Case. Most Common Values.

This capacitor kit comes with 10 different capacitor values. Suitable for projects, servicing & hobby.

10 pieces per value of the following:

10nF, 22nF, 33nF, 39nF, 47nF, 100nF, 150nF, 220nF, 330nF, 470nF

Metal Film 1% 1/4W Resistor Kit in a Handy Carrying Case. Includes Most Common Values.

This resistor kit comes with 30 different resistor values. Suitable for projects, servicing & hobby.

20 pieces per value of the following:

10Ω, 22Ω, 47Ω, 100Ω, 150Ω, 220Ω, 270Ω, 300Ω, 330Ω, 470Ω, 510Ω, 680Ω, 1kΩ, 2kΩ, 2.2kΩ, 3.3kΩ, 4.7kΩ, 5.1kΩ, 6.8kΩ, 10kΩ, 20kΩ, 47kΩ, 51kΩ, 68kΩ, 100kΩ, 220kΩ, 330kΩ, 470kΩ, 680kΩ, 1MΩ.

TDA2003A 10W Amplifier Kit

This kit uses a TDA2003 to create a small but powerful audio amplifier suitable for most uses. It works best with supply voltages between 8-18VDC and loads down to 2Ω.
Perfect for use with passive bookshelf speakers, or as a general purpose audio amplifier. 

The following components are included in this kit:

• Circuit Layout Diagram + Schematic x 1
• Volume (20kΩ LOG) potentiometer x 1 
• 1000µF 16V Capacitor x 1
• 470µF 25V Capacitor x 1
• 100µF 25V Capacitor x 1
• 10µF 25V Capacitor x 1
• 100nF Boxpoly Capacitor x 2
• 47nF Boxpoly Capacitor x 1
• 2W 1Ω Resistor x 1
• 2W 2.2Ω Resistor x 1
• Metal Film 220Ω Resistor x 1
• Metal Film 39Ω Resistor x 1
• PCB Terminal Blocks x 2
• PCB x 1
• TDA2003A IC x 1
   

Technical Specifications:

Input Voltage: 8-18VDC
Output Power: 10W @ R_L= 2Ω, 6W @ R_L= 4Ω
THD: 0.18% @ R_L= 2Ω, f = 1kHz
Efficiency: 65% @ R_L = 2Ω, f = 1kHz
Power Dissipation @ T_case = 90­°C: 20W 
Frequency Response: 40-15000Hz

300-Piece Assorted LED KIT - 3mm and 5mm

The kit contains the folowing:
 

600-Piece TO-92 Transistor Kit in a Handy Carrying Case.

This transistor kit comes with 15 different transistor types.
40 pieces per transistor of the following types:

2N2222, 2N3904, 2N5401, 2N5551, 2SA1015, 2SC1815, 2SC945, S8050, S8550, S9012, S9013, S9014, S9015, S9018

Stereo Preamplifier Module with Tone Control

NE5532-based stereo tone control board. Featuring volume, bass, mid and treble control and low total harmonic distotion (THD + N = 0.01%) for a clear and accurate sound reproduction. Please see the detailed images for the wiring diagram.


This module includes 3 JST fly leads for input, output and power.

Specifications:
Supply Voltage: 12-24V DC
THD + N: <0.01%
Controls: Volume, Bass, Midrange, Treble
Connectors: 3-pin JST XH x 2 (Input, Output), 2-pin JST XH x 1 (Power Input)

Magnifier Jewellers' Loupe Magnifier set 2X, 5X & 10X

Indispensible for miniature work and for identifying small parts. Fits into the eye-socket, keeping both hands free.

Great for close inspection. Very useful for older eyes.

People over 30 years-old can have brightness & focusing problems

Subwoofer Low Pass Filter/Preamplifier Module

NE5532-based subwoofer low pass filter and preamplifier board. Works on 10-24V DC with line input and features volume and frequency controls. 

Please note: this is a preamplifier board and will not drive a passive subwoofer directly. 

Specifications:
Supply Voltage: 12-24V DC
Frequency Range: 22-300Hz
PCB Dimensions: 78 x 32mm
Audio Input: Stereo/Mono via screw terminals