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This 10 turn potentiometer 5K Ohm is widely used to adjust timer, speed, temperature in all kinds of equipment such as medical instruments, welding machines, wire-cutting machines and virtually any industrial control system that requires a potentiometer.

Specifications

• Material: Plastic and Metal
• Shape: Round
• Resistance: 5K ohm
• Resistance tolerance: 5%
• Independent linear accuracy: 0.25%
• Power: 2W
• Max. Operating Voltage: 315V
• Storage temperature: -55 ~ 125℃
• Rotating life: 1000000
• Load life: 1000 hours
• Angle of Rotation :3600±5°

What's in the box?

1 x 5K Ohm potentiometer set

• 1pcs 10 turn potentiometer
• 1pcs rotary dial knob
• 1pcs small Hexagonal spanner

Resources

• Python Library
• Definition, Types, And Working Principle

• Great for electronic projects and kits.
  
• Perfect use for home, office and industry electrical equipment and electrical appliances
• Size: 10mm
• Voltage: 1.8V ~ 2.2V for Red & Yellow, 3.0V ~ 3.4V for Blue, Green & White
• Current: 20 mA
• Luminous Intensity: 5000 MCD
• Colour: RED, BLUE, YELLOW, GREEN, WHITE
• Lens Color : Diffused
  
  

• Install easily and quickly
• Waterproof and dustproof
• Lock provides secure docking

• Rated voltage: 1000 V
• Rated impulse voltage: 1000 V
• Test voltage: 6 kV (50 Hz)
• Suitable for cables: 10, 12, 14 AWG (2.5mm/4mm/6mm)
• Rated current: 24A - 14 AWG (2.5mm), 30A - 12 & 10 AWG (4mm & 6mm)
• Protection grade: IP67
• Contact material: Copper, silver-plated
• Insulation material: PC/PA
• Operating temperature: -40degC ~ 90degC
• Safety class: II
• Flame class: UL94-V0
• Contact resistance: le5mOmega
• Insertion / Withdrawal force: le50N / ge50N
• Locking system: Snap-in 

• Material: Plastic, Metal
• Type: 5.5mm x 2.1mm Male
• Outside Diameter: 5.5mm
• Inside Diameter: 2.1mm
• Length: 4.5cm
• Operating temperature: -50 ~ 65 ℃
• Connector Polarity: Positive(+) inside and negative(-) outside
• Scope: DC power supply security, monitoring equipment, LED lights, Arduino, switches and other devices.
  
  

Pic is for illustration purposes only

The 2N2222 is a common NPN bipolar junction transistor (BJT) used for general purpose low-power amplifying or switching applications. It is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds.

Specifications

• Type: Triode Transistor
• Package Type: Through hole
• Model Number: 2N2222

What's in the box?

10 x TO-92 30V 0.6A 2N2222A Triode Transistor


Resources

Introduction to Transistors
Different Types of Transistors and Their Working

• This item is a Universal 12V 2A external switching  power adapter.
• Power supply polarity : Inside positive outside negative, inside x(+) outside i(-).
• Input : 100-240V AC 50/60Hz
• Output : 12V 2A
• Cable length : 90 cm
• DC Plug Dimension : 5.5mm * 2.5mm
• Plug : EU Plug
  

Solder cleaning wire, which is an upgrade from typical sponge or water cleaning techniques. These Cleaning Wire Balls are hard enough to remove debris and some corrosion from the solder tips while being soft enough not to damage the tip. They help to remove oxides and excess solder to preserve tip life and enable clean, precise soldering.

Features

• Made of high quality material, reliable in performance
• Easy to clean soldering head without water
• Remove residues quickly and effectively
• It does not damage soldering head
• Durable for long use
• Avoid soldering tin from splashing everywhere

Specifications

• Material : Steel
• Smokeless : Yes
• Non-toxic : Yes

What's in the box?

1 x Soldering Iron Tip Cleaner Ball

Product updates

• As from 15/05/2025 this product will include 5 Cleaner Balls
  
  

Resources

Introduction to soldering
Video: How to solder properly
The secrets to good soldering

• 5.5mm x 2.1mm barrel
• 26cm cable

A switching power supply is one of the two major types of power supply design utilized in electronics products. These power supplies are characterized by the use of precise switching that allows for designs to accommodate DC to DC, DC to AC, AC to DC and frequency conversions.

In switching power supply designs, the input voltage is no longer reduced; instead, it's rectified and filtered at the input. Then the voltage goes through a chopper, which converts it into a high-frequency pulse train. Before the voltage reaches the output, it's filtered and rectified once again.

Specifications

• Input Voltage:  AC110V/220V±15%
• Ouput Voltage: DC 12V
• Output Current:5A
• Shell Material: Metal case
• Safety Compliance: FCC / CE
• High price-effective, reliability with industry standards
• Built-in over voltage, over current, and short circuit protection
• Working Temperature: 0~40C
• Storage Temperature: -20~60C
• Ambient Humidity:  0~95% Non-Condensation

Features
 

• Switch power supply, convert AC 110V/240V to 12V
• Wide input voltage range, steady and precise output voltage.
• Shortage protection, overload protection over voltage protection.
• Widely used as the power adapter for Led strip, LED display, billboard, industrial equipment, etc.

Please note: INDOOR USE ONLY!
 
What's in the box?

 1 x 12V 5A power supply

• 10A 250VAC
• 10A 125VAC
• 10A 30VDC
• 10A 28VDC

To check compatibility of a new remote with the receiver. Simply press the button on the remote, if the receiver flashes, but does not Triger the relay. The remote will be compatible, and you can start the programing process

To add a remote, press the button on receiver momentarily. The red light will come on. Then press the button on the remote that you want to program in. The red light will start flashing. After 4 flashes in will stop, and the button will be programmed in.

For the setting to take effect, the board needs to be disconnected from it’s power supply. The bellow settings will be done to the 3 headers and bridge pin on the receiver board, above the push button.

• With the header removed, the On button will switch the relay on, and the off button will in turn switch the relay off.
• With the header on Pin 1-2. Both Buttons will become momentary. And only hold the relay in place as long as they are pressed in.
• With the header on Pin 2-3. Each button will be able to switch the relay on and off individually. You will however not be able to switch the button off with the “off” button, if you switched it on with the “on” button. And vise versa.

What's in the box?

1 x Learning Code Receiver Relay
1 x Remote Control

• Chip: FT232RL
  
• Draw out all signal port of FT232RL chip
  
• RXD / TXD transceiver communication indicator
  
• USB power supply, can choose 5V or 3.3V, set by jumper
  
• With over current protection, using 500mA self-restore fuse
  
• Pin definition: DTR, RXD, TX, VCC, CTS, GND
  
• Pitch: 2.54mm
  
• Size: 36 x 18mm (L x W)
  
• Interface: Mini USB
  
  

• Programming microprocessors such as ARM, AVR, etc
• Working with computing hardware such as routers and switches
• Serial communication with many devices such as GPS devices
• Serial terminals on devices like the Raspberry Pi
• Unlike most USB to TTL serial adapters, this adapter supports both 5V AND 3.3V operation! Simply set the jumper as required to choose between 5V and 3.3V as labelled on the board.

This listing includes: 10 pairs of MC4 parallel connectors for 3 solar panels. (FFFM and MMMF)

Used for connecting solar panels in series or parallel, quick and reliable connection of the solar cables to the photovoltaic system. 

Application

It can be used for connecting 3 solar panels in parallel.

Advantage

1). Easy to use

2). TUV certification

Specifications

• Rated Voltage: (VDC)1000
• Rated Current: (A)40A
• Low Ambient Temperature: (°C)-40°C
• Upper Ambient Temperature: (°C) 90°C
• Degree of Protection (IP Code): IP67
• Contact Material: Copper
• Insulation Material: PPO PA
• Certification: TUV
• Connection resistance: <= 1m Ω
• Insertion force: <=60N
• Withdraw force: >=60N
• Flame class: UL94-VO

1.  Small size, low cost
2.  Easy to integrate
3.  Factory calibrated in wide temperature range: -40…85C for sensor temperature and -40…115C for object temperature
4.  High accuracy of 0.5C over wide temperature range (0... 50C for both TA and TO )
5.  High (medical) accuracy calibration
6.  Measurement resolution of 0.02C
7.  SMBus compatible digital interface
8.  Power saving mode
9.  Customizable PWM output for continuous reading
10.  Embedded emissivity compensation
11.  3V supply voltage

• Comparative output, clean signal, good waveform, strong driving ability, more than 15mA.
• Working voltage: 3.3V to 5V
• Output form: digital switch output (0 and 1)
• Equipped with fixed screw hole, easy to install
• PCB board size: 32mm x 14mm
• Uses the LM393 wide voltage comparator

TB6600 is an easy-to-use professional stepper motor driver, which could control a two-phase stepping motor. It is compatible with Arduino and other microcontrollers that can output a 5V digital pulse signal. TB6600 arduino stepper motor driver has a wide range power input, 9~42VDC power supply. And it is able to output 4A peak current, which is enough for the most of stepper motors.

The stepper driver supports speed and direction control. You can set its micro step and output current with 6 DIP switch. There are 7 kinds of micro steps (1, 2 / A, 2 / B, 4, 8, 16, 32) and 8 kinds of current control (0.5A, 1A, 1.5A, 2A, 2.5A, 2.8A, 3.0A, 3.5A) in all. And all signal terminals adopt high-speed optocoupler isolation, enhancing its anti-high-frequency interference ability.

As a professional device, it is able to drive 57, 42-type two-phase, four-phase, hybrid stepper motor.

Features

• 9V-40V DC power supply
  
• H-bridge bipolar constant phase flow driver
  
• The maximum output current is 4.0A (eight optional)
  
• Up to 32 segments of six kinds of sub-modes available
  
• Input signal high-speed photoelectric isolation
  
• Standard common anode single pulse interface
  
• Offline keep function
  
• Semi-enclosed chassis can adapt to a more demanding environment
  
• Provide energy saving semi-automatic current lock function
  
• Built-in thermal protection and over-current protection
  

Specifications

• Voltage: up to 50V
  
• ON resistance (upper lower) = 0.4 Ω
  
• Forward and reverse rotation control
  
• 5 kinds of sub-modes selectable (1/1, 1/2, 1/4, 1/8, 1/16 step)
  
• Output current: IOUT = 5.0A (peak within 100ms)
  
• Rated output: IOUT = 4.5 A
  
• Input pull-down resistor: 100 KΩ
  
• Current output alarm pin: Ialert = 1mA
  
• Monitor output pin (MO): Imo = 1mA
  
• With reset and enable pins
  
• With a standby function.
  
• Breaking the traditional single-supply
  
• Built-in thermal protection (TSD) circuit
  
• Built-in voltage protection (UVLO) circuit
  
• Built-in over current detection (ISD), the circuit

Note:

This driver is the upgraded version TB6600, heightening segment to 32 subdivision, suitable for high segmentation applications.
For step motor: 42, 57, 86 type 2 phase 4 phase (4 / 6 / 8 line)

What's in the box?

1 x TB6600 Stepper Motor Driver Controller

Resources

https://danielwilczak101.medium.com/control-a-stepper-motor-using-python-and-a-raspberry-pi-11f67d5a8d6d

https://www.instructables.com/Raspberry-Pi-Python-and-a-TB6600-Stepper-Motor-Dri/

The TB6560 stepper motor control circuit is the most commonly used current circuit, which can control a 2 phase motor (10 – 35VDC) with a maximum output of 3A.

Specifications

• Size: 75mm x 50mm x 35mm  (L x W x H)
  
• Rated maximum output: ± 3A, peak 3.5A
  
• Working voltage: DC 10V-35V
  
• Recommended to use a switching power supply: DC24V power supply
  
• Subdivision: whole step, half-step, step 1/8, 1/16 step, a maximum of 16
• Subdivisions.

Features

• Using the Toshiba TB6560AHQ new original chip with low voltage shutdown, overheating stop and over current protection circuit to ensure optimal performance.
  
• For two-phase within 42, 57 stepping 3A / four-phase / of line four / six-wire stepper motor, and is not suitable for more than 3A stepper motor.
  
• Automatic half current function.
  
• 6N137 high-speed optical coupling, guarantee high speed without losing step.
  

What's in the box?

1 x TB6560 1 axis driver board

• Type:Field-Effect Transistor
  
• Brand Name: International Rectifier
  
• Package Type: Throught Hole
  
• Model Number: IRFZ44NPBF
  
• TO-220AB: MOSFET N-Channel, Metal Oxide
  
• 55V 49A: FETs - Single
  
• Mosfet Type : N-channel
  
• Current Rating : 49A
  
• Rds (On) : 17.5mΩ
  
• Voltage Rated : 55V

• Name: Arduino MEGA2560 R3 DIY acrylic case
• Dimensions: 118 x 72 x 18mm
• Weight: 72g
• Material: A level acrylic
• For Arduino MEGA2560 R3 Development Board only