Features: Small and lightweight, convenient for use. Designed specifically for power generation. Sealed for moisture protection and contain thermal elements formulated for optimum Seebeck power generation. High temperature 150℃, with NM static protection.
Features: High quality.
Control the speed of a DC motor with this controller.
High efficiency, high torque, low heat generating.
With reverse polarity protection, high current protection.
Features:
40pcs chromatic color male to female dupont cables.
Durable and reusable.
High quality and in good working condition.
Easy to install and use.
A popular choice for construction or repair.
Be used for Arduino breadboard.
This adjustable regulator module with AC or DC voltage input, the output voltage is 1.25V-28V DC continuously adjustable, versatile for DC board.
Features:
Adjustable regulator module with LED display.
2A or less can be loaded, AC or DC voltage input.
The output voltage is 1.25V-28V DC continuously adjustable, versatile for DC board.
Using double adjustment potentiometer to ensure good contact, effectively protect the load.
Notice:
The minimum differential between input and output is 3V; the input must be higher than the output voltage above 3V to be regulated.
Buck, not boost, when input 5V output 1.25-2V, not 6V.
The amplifier board adopts high quality TPA3116 digital amplifier chip as the core. Output power: 50W+50W+100W subwoofer, making it features high efficiency and high power.
Features:
Adopts high quality TPA3116 digital amplifier chip.
Sound quality is very good, high efficiency and amplifying power.
50W*2+100W 2.1 channels(left/right channel and subwoofer channel), high efficiency and low-heat.
Powered by DC 12-26V, wide input voltage.
User can adjust the volume by themselves easily.
Applicable speaker impedance: 4-8 ohm.
Just connect the power supply and loudspeaker box, enjoy the pure digital music!
This is a perfectly functional DC regulated power supply DIY kit, the output voltage range is 0-28V and the output current is 0.01-2A. You can conveniently adjust the output with the encoder; and it can be also used as constant-current source.
Features:
LCD display the values, easy for reading.
Output range: 0-28V voltage and 0.01-2A current.
Adopts encoder to adjust the output, convenient for use.
Memory function: output the preset voltage and current when powered on.
With short-circuit protection and current-limiting protection.
All are through hole components, easy to install.
This constant voltage and constant current programmable control power supply module makes analog integration and digital control functions combined in one. This module has power-down stored function that it can store 10 groups of preset values and extract 2 groups of stored values. With LCD display, user can view the preset voltage/current, output voltage/current, output power, input voltage, etc. This product, with small size, advanced functions, good visual effect, high operability, and high precision, can not only be used independently, but also inset into the device for wide application range.
Features:
Fast operation for voltage and current settings.
Make analog integration and digital control functions combined in one.
Adjustable output voltage range from 0V-32V/50.00V(optional), adjustable output current range from 0-3.000A/5.000A(optional).
Set default boot open or close the output.
The module can storage 10 groups of preset values and it can quickly extract 2 groups of preset values.
LCD display and voltage/current meter function, you can view the preset voltage/current, input voltage, output voltage/current, output power, etc.
In the output state display area, it is convenient for you to know whether the output works, constant voltage/current output state, current data group extracted, etc.
With advanced functions, high accuracy, wide application, the item is really practical for use.
Note:
It is better to make the input voltage lower than the Max. value, otherwise the item maybe be damaged.
This is a relay module with high performance, which is convenient and practical for users.
Features:
The module voltage: 5V, 12V, 24V are available.
Output capacity: within DC 30V 30A or AC 250V 30A.
Using optocoupler isolation, strong anti-jamming capability and stable performance.
The module can be set high or low trigger.
With power indicator and working indicator.
To ensure stability, uses industrial grade PCB board and 9.5mm barrier terminals.
All interfaces can be connected directly via terminal wiring leads, very convenient.
Module Interface Description:
1. DC +: DC power supply positive;
2. DC -: DC power supply module negative;
3. IN: Signal input terminal(support High/Low Level switch freely);
4. Normally open (NO): Relay normally open;
5. Common terminal (COM): Relay common;
6. Normally closed terminal (NC): relay normally closed terminal;
With the wide applications of semiconductor cooling, more and more DIY enthusiasts are interested in it. It's a question that how to make refrigerating capacity to a more great extent in water cooling applications. This DIY kit could be just to your taste to solve this problem.
Features:
Adopt TEC1-12706 semiconductor chilling plate, good quality for use.
Complete sealed structure, isolating the moisture in the air.
Higher reliability than others.
Include TEC1-12706 semiconductor cooler, 2 fans and other accessories, easy to install.
Great DIY kit for electronic enthusiasts in semiconductor cooling applications.
Note:
1. The conduction cool module can frost when the temperature is under -25°C. 2. TEC1-12706: one side with words is the refrigeration side, the other side is heat dissipation side.
3. Must install heat sink or water-cooled radiator on the heat dissipation side; otherwise will burn the Peltier.
4. The DC power is not included in this kit, please prepare it by yourself.
This useful resistor kit contains 2000pcs 100 values 1/4W metal film resistors, which can provide great convenience for your repair work, research, DIY electronic project, etc.
Features:
Each ohm value is packaged neatly.
The resistance is marked on every row.
Find the resistors you need exactly with ease.
Contain 100 values and 2000pcs in total, 1 ohm to 1M ohm.
Great for your repair work, electronic DIY project, etc.
This is a relay module with high performance, which is convenient and practical for users.
Features:
4-channel, DC 12V 30A relay module.
Output capacity: within DC 30V 30A or AC 250V 30A.
Using optocoupler isolation, strong anti-jamming capability and stable performance.
The module can be set high or low trigger.
To ensure stability, uses industrial grade PCB board and 9.5mm barrier terminals.
All interfaces can be connected directly via terminal wiring leads, very convenient.
Module Interface Description:
1. DC +: DC power supply positive;
2. DC -: DC power supply module negative;
3. IN: Signal input terminal(support High/Low Level switch freely);
4. Normally open (NO): Relay normally open;
5. Common terminal (COM): Relay common;
6. Normally closed terminal (NC): relay normally closed terminal;
This powerful and useful item contains 43 values 860pcs 1/4W Carbon Film Resistors, which can provide great convenience for your repair work, research, DIY kit, etc.
Features:
High precision and stability.
Contains 43 values and 860pcs in total.
The value of resistance is marked on every row.
Great for repair work, research, DIY kit, etc.
It's a PWM speed controller which enables you to control the speed of those DC brush motors smoothly. It's ideal for applications like car motors, DC heater, bulb etc. providing nice adjustment of motor speed.
Features: Wide voltage range, 10-50V, 40A, max. 2000W for motor speed control & HOO.
Apply PWM Modulation system to adjust motor speed from 5-100% .
Stable in working, high efficiency and low noise. Field-effect tube, drive IC, 70μm copper sheet PCB for higher efficiency of PWM wave output. Potentiometer for speed adjustment, protective case creates better durability.
Specific Power Control:
12V: 480W; 24V: 960W; 36V: 1440W；40V: 1600W; 50V: 2000W
PWM Working Principle:
BY changing the duty ratio of square wave(output) to adjust average current power from 0-100% on load, thus to change the motor speed or light brightness.
Main Applications:
1.Universal DC brush motor speed control.
2.Control motor speed of cars(eg. car cooling fan motor, car fan motor, car windshield wiper motor, air condition fan motor)
3.Adjust speed of the conveyor of product lines, tube exhaust fan, treadmill, electric fan.
4.Adjust temperature of DC heater, brightness of common DC bulb.
This useful resistor kit contains 3120pcs 156 values 1/4W metal film resistors, which can provide great convenience for your repair work, research, DIY electronic project, etc.
Features:
Each ohm value is packaged neatly.
The resistance is marked on every row.
Find the resistors you need exactly with ease.
Contain 156 values and 3120pcs in total, 1 ohm to 10M ohm.
Great for your repair work, electronic DIY project, etc.
This set of DIY cover is greatly designed for TDA7492P 2*25W BT 4.0 audio receiver amplifier module(with AUX interface), which can efficiently protect the module.
Features:
DIY case for TDA7492P 2*25W BT 4.0 audio receiver board.
Acrylic material, looks transparent(need to tear down the film).
High quality case, protect the module efficiently.
Easy for electronic enthusiasts to assemble.
Help you connect wires quickly without stripping and soldering, free from electric shocking danger and short circuit!
Features:
Easy and convenient in application.
Perfect for home or car wire connecting usage.
Comply with all relevant European standards.
A huge box of 280 assorted electrical wire terminals.
Prevents corrosion, and provided a waterproof seal.
Can be used in marine and automobile applications.
This heating module uses a large PCB layout design which ensures a good heat dissipation and high power. There is a built-in cooling fan. It can work for DIY players and meet need for small parts quenching, annealing and other heat treatment. It can also be used with a graphite crucible to smelt gold, silver, copper, aluminum and other metals. Rapid and uniform heating is very convenient. The induction heating power supply is recommended to use more than 24V 10A switching power supply. The greater the voltage, the greater the current, the greater the heating power, the faster the heating rate.
Features:
Heating plate with large PCB design, component layout is sparse for heat dissipation.
Power line design can increase the current heat radiation and makes the board smaller and more stable.
Anti-static large heat sink ensures a good heat dissipation effect.
The positioning holes are exactly matched with the board, and the power supply is directly inserted on the board.
Welcome to use this high quality BT Audio Receiver Board. It is equipped with USB interface and TF card slot, talk via BT function.
Features:
TPA3116 power amplifier chip, 2*50W stereo power output.
BT 4.0, a perfect BT audio receiver board for use.
USB interface/TF card slot, supported playing formats: MP3, WMA, WAV, FLAC.
Talk via BT function with microphone.
DC 8-26V input voltage for power supply.
The wireless receive distance can be up to 15m(shielded signals).
Equipped with heat-dissipating module on the board.
With 5 buttons on the board for adjustment, convenient and easy operation.
Remote control for receiving and controlling(infrared way).
This product is designed to control the relay and then control to pump water or drain away water according to water level. It has so many advantages, such as mini size, easy wire connection, low power consumption, strong anti-interference performance, etc.
Features:
Designed to control the relay and then control to pump water or drain away water.
Mini size, easy wire connection.
Powered by 9V-12V AC/DC.
Low power consumption, strong anti-interference performance.
Great for pool or water tower to control the water level.
Notice:
The product is not equipped with probe, don't need to buy probe neither. Just strip the electric wire 2cm to instead of probe, make it become bare wire then can induce directly.
This breadboard is ideal for high frequency and low noise circuits. Interconnect any components with 20-29 AWG (0.3-0.8) wire.
Features: 400 tie point breadboard, high quality for use. Ideal for high frequency and low noise circuits. Interconnect any components with 20-29 AWG (0.3-0.8) wire. 1 terminal strip, tie-point 300; 2 distribution strips, tie-point 100.
With this DIY clock kit, you can make a multi-functional alarm clock by yourself. It can display time, date, week and temperature in the 1602 LCD screen. With acrylic case, components can be well protected and the clock looks stylish.
Features:
1602 LCD display the time, date, week and temperature.
12H/24H time format; °C/°F temperature unit.
3-channel alarm clock: turn on/off independently.
1 schedule alarm.
3 modes for date display and 2 modes for week display.
Set the time range for hourly chime function.
Adjustable brightness: 3 levels for auto brightness and 6 levels for fixed brightness.
USB DC5V for power supply, convenient and quick for use.
With acrylic housing, components can be well protected.
Great DIY clock kit for electronic enthusiasts, easy to install.
With the wide applications of semiconductor cooling, more and more DIY enthusiasts are interested in it. It's a question that how to solve heat dissipation in cooling applications. This product could be just to your taste to solve this problem.
Features:
High quality for use, Max. power is 120W.
Include a large radiator, 2pcs cooling fans, 2pcs large fans and 2pcs cold conduction modules.
Installation has been finished already, easy and convenient for use.
Great product for electronic enthusiasts in DIY semiconductor cooling system.
Note:
1. Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor technologies and electronic assembly techniques.
2. The conduction cool module can frost when the temperature is under -25°C. 3. The DC power is not included, please prepare it by yourself.
This acrylic Christmas tree is a cool DIY project for the holiday decoration. The Christmas tree is made of 3 pieces of PCB shape, and in order to conform the Christmas holiday theme, the PCB add some different & funny Christmas patterns to increase the festival spirit. A total of 37pcs colorful LED are distributed evenly across the Christmas tree, and by a MCU to control the LED display, a total of 8 kinds of recycling display effect and Christmas music at the same time with 8 Christmas music looping playing. The base of the Christmas tree is made of acrylic sheet, which is beautiful and convenient. There is a small switch on the base that opens the switch to work, and closes to turn off the light and music.
Features:
8 kinds of colorful LED display effect.
Shining LED Christmas trees with 8 kinds of Christmas music.
A great DIY Christmas gift for electronic enthusiast and DIY enthusiast.
With some funny Christmas patterns on the PCB.
All using DIP components to solder, easy to make and suitable for beginners.
Installation Method: You will get a bulk DIY kit, all components need to be soldered by yourself. The shell is acrylic material, fixed with screws. Provide with installation instructions.
This item adopts NE5532 Front chip for for better noise performance and good output drive capability. It's suitable for high-quality and professional sound equipment, control circuit and telephone channel amplifier.
Features:
Adopts NE5532 front chip for for better performance.
High quality potentiometer contacts well, stable for audio output.
Adjustment Types: 4 channels(treble+alto+bass+volume)
12-24V AC dual power supply, wide input voltage.
For the input part, uses dual RCA plug, audio contacts well and long life span.
Suitable for high-quality and professional sound equipment, telephone channel amplifier.
This circuit has a wide range of single power supply input(5-24V, if the output current is small, use 3.7V lithium batteries as input can also provide normal output), then convert to multiple positive and negative regulated output converter. It's suitable for most of electronic required test.
Features:
Mini in size, convenient for use.
Single wide range input voltage: 5-24V DC.
With mini USB interface, the input with current limiting protection.
Multi-channel linear regulated voltage dual output.
Can meet most of experiments needs.
Note:
1. According to the output power requirements, please select input power with a sufficient output current, or it may not start. Output power = output voltage from various quarters * total output current, input power should be at least> Output power /0.9. For example, a standard power supply 5V, 1A, and to power the unit, it can provide up to about 4.5W of output power.
2. The total output power of machine should not exceed 10W, when single output, can provide short-term high current, but this time must pay attention to the heat sink temperature, not too high so as not to damage the IC. If you do not have experience, please control the output current of each channel to less than 0.2A. Excessively large output current may cause damage to the IC overheat.
3. Each output of the IC have protection, but please avoid a short circuit, all output wiring connections should be completed and then turn on the power.
This headphone amplifier DIY kit adopts NE5532 operational amplifier, which can ensure good sound quality.
Features:
Adopt NE5532 operational amplifier.
Play with good sound quality.
Wide range for input voltage: DC9V-18V.
Standard 3.5mm audio input/output interface.
With rotating knob for volume adjustment.
Components can be well protected by the transparent housing.
