This is a 5V 4-Channel Relay interface board, be able to control various appliances, and other equipment’s with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
Operating Voltage: 5V DC, Channel: 4 channel, Relay Output Max.: AC250V 10A or DC 30V 10A, Input: Active Low,.

300V AC (385V DC) Radial Lead Resin Coated Metal Oxide Varistor for Surge Protection.

RO Pipe 1/4" Best Quality White. It is mainly used for Water purifier, Pipeline machine, Waste water machine, connection of water inlet and outlet, etc.
Outer Diameter (OD): 6.5mm (1/4"), Inner Diameter (ID): 4.4mm ±0.25mm, Color: Gray, Length: 1 Meter (multiple quantity will get continuous one long piece)..

Prime 4mm Banana Plug Stackable are Manufactured from best quality Brass and Phosphorous Bronze material. Cap is made from best quality ABS Material.
Color: Red And Black, Quantity: 2pcs (1-Red + 1-Black)..

Specification:

1. The adjustable output voltage range of 1.25V-37V continuously adjustable
2. Input voltage 4.0-40V (input voltage to the output voltage must be higher than 1.5v.)
3. The maximum output normal and stable operating current up to 2A
4. Touch the key to switch measuring input or output voltage, and has a light show which is being measured voltages
5. Press the touch button for 3 seconds to turn off LED display, touch the button again to turn on the LED display .

Plastic Cable Gland PG 7 - Cord Grip Connector for cable fixing, machinery control boxes, distribution panels, electrical appliances etc.
Model: PG7, Cable Range: 3.5mm-6.5mm, Thread OD: 12.5mm, Overall Length: 30mm, Material: Plastic, Color: Light Grey..

This RS232 circuit can be used to interface a microntroller to a PC via a RS232 connection (serial port). This circuit converts signals between RS232 voltage levels and TTL voltage levels. It is bi-directional, where TTL signals are converted to RS232 levels and RS232 levels are converted to TTL levels. The circuit can be assembled with any MAX232 compatible RS-232 Transmitter/Receiver chip..

14mm USB 2.0 Type A Female PCB Mount Straight Connector.
Plastic Color: Black, Quantity: 1pc..

Standard 9pin DB9 male PCB mount connector. Generally known as serial port male and used in various project & device boards etc..

High reliability machined round pin dual-in-line (DIP) socket (base) with gold-plated copper alloy contacts.
Pitch: 0.1" (2.54mm), row spacing: 0.3" (7.62mm), number of pins: 6..

Generally used for De-soldering PCB components. Low cost and quality desoldering wire.
Length: 1 Meter (multiple quantity will get continuous one long piece), Width: approx. 2 mm..

6 Way Star Tag for Amplifier Chassis Ground Wiring
Material: Nickel Plated Brass, Thickness: 0.42mm±10%, Individual Single Tag Width: 7mm..

IR Infrared Obstacle Sensor Module PCB - LM358 - Print Out on Toner Transfer Paper.
PCB Size: 0.9"x1.9" (23mm x 48mm), Trace Width: 0.75mm, Mounting Hole: 1 x 3mm. Design Print: On Toner Paper (A5/A6), PCB Design & Printout Ratio: 1:1
Components Required: IC LM358 (1pc), IR Emitter (1pc), IR Receiver (1pc), LED 5mm Red (1pc), Resistor 0.25W 1.5K, 22K & 180 Ohm (1pc each), 3-Pin Relimate Male Header (1pc), Small Preset 20K (1pc), Blank PCB 1x2 (1pc).
Note: You can change the components according to your requirement. .

12 Volts - 5 Amps High Quality Regulated Switching Power Supply with Fine Output Voltage Adjustment.
Input: 220V AC ±15%, Output: 12V-5A DC..

IR Infrared Obstacle Sensor Module PCB - LM358
Size: 0.9"x1.9" (23mm x 48mm), Trace Width: 0.75mm, Mounting Hole: 1 x 3mm.
Components Required: IC LM358 (1pc), IR Emitter (1pc), IR Receiver (1pc), LED 5mm Red (1pc), Resistor 0.25W 1.5K, 22K & 180 Ohm (1pc each), 3-Pin Relimate Male Header (1pc), Small Preset 20K (1pc).
Note: You can change the components according to your requirement..

UNITY Low Cost 3-1/2 Digits LCD Display Digital Multimeter - DT830 19 Range (DC Volts, AC Volts, DC Current, Resistor, Transistor (HFE NPN and PNP), Diode, Buzzer).

High Quality Female To Female Single Core Full Shielded Jumper Wire with Protective Heat Shrink Sleeve for Very High Sensitive Low Level Signals, Microphone Signals, Tape Head, ADC Inputs, Sensor Signals, Analog Signals, Audio Signals etc.
End Terminals: Gold Plated Female Pins, Terminals Wire: Red-Signal Black-Ground (Shielding 99%), Length: 30cm, Wire: Chetan 14/44 SWG 1 Core, Jacket Sleeve Color: White, Black or Red..

Radial Leaded Ferrite Drum Core - 8mm x 12mm For Inductors, Choke Coils etc.
Pin Spacing: 5mm, Height: 12mm, Outer Diameter: 8mm.

XLR 3-Pin Plug to XLR 3-Pin Plug Adapter, Pre-wired, Nickel-plated metal housing, suitable for stage or studio use. Allowing you to connect two cables together and extend the overall length of the cable..

Hex Socket Set Screw (Grub Screw) with Knurled Cup Point.
Thread (Dia.): 1/4" (6.35mm) BSW, Length: 3/4" (19mm), Allen Key Size: 1/8".

Center Tapped Transformer Full Wave Rectifier Power Supply PCB (Copper Pour) Print Out on Toner Transfer Paper..
PCB Size: 1.9"x2.9" (49mm x 74mm), Track Width: 2.25mm, Copper Pour Clearances: 1.5mm. Design Print: On Toner Paper (A5/A6), PCB Design & Printout Ratio: 1:1
Components Required: Diode 1N4007 (2pcs), Capacitor 2200uF (1pc), Capacitor 100nF (1pc), LED 5mm (1pc), Resistor 0.5W 1.5K (1pc), 3 Way PCB Terminal Block (1pc), 4 Way Multi-color Red+Black PCB Terminal Block (1pc), Blank PCB 2x3 (1pc).
Note:
1.) You can change the components according to your requirement.
2.) You can select available option to Print Your Name on PCB..

2A Full Wave Bridge Rectifier Power Supply with Switch PCB.
Size: 1.9"x2.9" (49mm x 74mm).
Components Required: Diode 1N5408 (4pcs), Capacitor 4700uF - 35V (1pc), Capacitor 100nF - 100V (1pc), LED 5mm Red (1pc), Resistor 0.25W 1.5K (1pc), 2 Way PCB Terminal Block (2pc), SPDT 3A Switch (1pc).
Note: You can change the components according to your requirement..

Prime 4mm Banana Plug Stackable are Manufactured from Brass and Phosphorous Bronze material. Cap is made from best quality ABS Material.
Color: Green, Quantity: 1pc..

6" (15cm) Mini Hand Saw (Hacksaw) for Cutting Wood, PVC, Plastic, Pipe, Metal etc..

Medium Quality 6-Pin non locking push button switch..

8-bit AVR (Microcontroller) with 8K Bytes In-System Programmable Flash.
Atmega8A-PU is the new replacement chip for Atmega8-16PU and ATMEGA8L-8PU..

This is a 5V 1-Channel Relay interface board, be able to control various appliances, and other equipment’s with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
Operating Voltage: 5V DC, Channel: 1 channel, Relay Output Max.: AC250V 10A or DC 30V 10A..

SM0038 - TSOP1738 IR Receiver Modules For Remote Control Systems.

Automatic Water Level Controller - ULN2003
Power Supply: 12V DC, 7 Steps Levels, Reserve water control, Manuel ON and OFF Switch, 8 Wires Sensor Cable..

Deer Grip Self Adhesive Double Sided Foam tapes are excellent for applications where 'gap-filling' properties, to often uneven surfaces, are required. Suitable for a number of indoor and outdoor applications including signs, nameplates, plaques, decorative trim and in electrical and electronic applications.
Length: Approx. 4.25 Meters, Width: 19mm .