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Battery box 4AA batteriesBlack case

These battery holder cases can be used as a perfect external power source. You can use these cases with your own batteries to form power system supply. Featuring simple DIY recharge power supply, wires of the box measure approx. 6 inch long for soldering and connecting.


DIY power supply, easy installation
Cases for rechargeable battery
Compact size, convenient to carry

1.00 KWD Add to Cart

Batterybox Black (2 AA) with power jack head

Plastic Battery Storage Case Box Holder for 2 x 18650 Batteries 3.7V

0.5 KWD Add to Cart

Biomedical Sensor Pad (Genuine)

Disposable electrodes that can be used to measure EEG, ECG and EMG levels. these little pads are perfect for short-term monitoring of Neurofeedback and Biofeedback purposes. They are to be used once and are very handy because of integrated, latex-free gel. Each pad adheres very well to the skin and the snap connector can be pushed on or removed from the electrode lead with no issue.

0.5 KWD Add to Cart

Black PCB Power Relay TRD-5VDC-FB-CL DC 5V Coil 5-Pin

  • Contact Capacity : AC250V 6A, DC 28V 12AAC 125V 15A, DC 28V 12A;Type : SPDT;Pin Quantities : 5
  • Pin Size : 5 x 1mm/0.2" x 0.04"(L*W);Total Size (No Include Pin) : 19 x 15 x 15mm/0.75" x 0.6" x 0.6"(L*
3 KWD Add to Cart

Breadboard Power supply-YW robot545043

A 3.3V and 5V Breadboard Power Supply Module with series diode, polarity reversal protection. The module can take 6.5V to 12V input and can produce 3.3V and +5V. Can also output 5V on USB connector and can also take input through USB connector.

Its a must have product for experimenters those have to test/prototype electronic circuits on the breadboard or perforated/veroboards.


1.5 KWD Add to Cart

Brushed Electronic Speed Controller ESC with Brake

ESC 10A Brushed Reverse Motor Speed Controller For RC 1/16 1/18 Car Boat Brake 2Khz

2.5 KWD Add to Cart

BT05-A 4.0 Bluetooth module ble with backplane serial BLE CC2540 CC2541 Serial Wireless Module


From one master module, with transparent transmission, remote control, PIO capture three functions, and switch settings AT command set, and you previously used a Bluetooth serial module as easily without changing the PCB and lower computer program upgrade to Bluetooth 4.0!

3 KWD Add to Cart

CNC Carbide Endmill 3mm(3*50*4F)

- Made of Tungsten steel, high hardness, durable
- High abrasion resistance, long life use
-Brief outward, lively, unique, distinct.
-New condition with no chips or usage, flawless.
-The wearing of safety glasses is required during the process of operation as cutting tools may shatter if broken.

2.5 KWD Add to Cart

CNC carbide flat finishing bit 3mm

Whiteside SC71 is an engraving bit designed for small CNC machines. It features a 30-degree cutting profile, a 1/32" flat point tip and a 1/4" shank, and is perfect for engraving and sign-making. In 1970, the Whiteside Machine Company began manufacturing special parts and making repairs for the furniture industry in Hickory, NC. As the company's reputation grew, they expended their operations to include product offerings for businesses and hobbists, including high-quality router bits. Today, Whiteside router bits are the undisputed favorite among woodworkers.

  • Whiteside SC71 CNC Machine 30-Degree Engraving Bit
  • Specifications: 30-degree cutting profile, 1/32" flat point tip and 1/4" shank
  • Designed for engraving and sign-making.
  • For use in small CNC machines.
27 KWD Add to Cart

Coin Sorter (JY923)

 1. Capable of accepting all worldwide Coins and Tokens.
2. Intelligent CPU software control, and high accuracy .
3. Self-programming without PC, and automatic self-test for problem
4. Accept kinds of coins at the same time.
5. Free to set up pulses' output.
6. Prevent not only electric shock but also electromagnetic interference.
7. Support multi coins with only 1 signal output. 

10 KWD Add to Cart

Connection headers single - 36*1

A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.

1 KWD Add to Cart

Connection headers single - 40*1

A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.

1 KWD Add to Cart

Createbot Super Mini 3D Printer

The CreateBot Super MINI 3D Printer is a compact, budget 3D printer made by CreateBot, a manufacturer from China.

This closed frame desktop 3D printer suits beginners as well as hobbyists and makers.

The Super MINI 3D Printer is available in five colors: blue, green, white, black and purple. Its hot-end extruder can reach up to 260°C.

Super MINI 3D Printer main features

  • Light and compact: weighing only 3kg, this 3D printer is easily transportable.
  • Removable glass print bed: enables users to easily remove their 3D prints. Plus, the print bed doesn’t require leveling.
  • Touchscreen: provides an easier user experience.


95.00 KWD Add to Cart