KNACRO

4.8

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When purchasing a product, price is the consumer's primary concern. At present, KNACRO has 306 products for sale. KNACRO products range in price from $5.99 to $45.99, and the average price of all the products is about $12.63. It's affordable for most consumers, and you can feel free to pick your favorite products.

You can confidently purchase KNACRO products from the seller KNACRO. The brand holds an average rating of 4.82, testifying to its excellent reputation.

KNACRO Best Sellers

Last Updated: Jan 11, 2025

KNACRO 16mm Chassis Switch with 1M / 3.3ft Cable LED Ring/Switch Symbol for DIY Computer Switch and Restart Button (Switch Symbol, Yellow)

Audio & Video Power Cables

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This is a perfect choice if you are in need of a rugged push button! These metal push buttons are a very tough, small, panel-mount latching switch with an illuminated LED Ring .

It is a SPDT with 16mm threading and 1mm pitch. This button is perfect for basic On/Off functions with cable length 1M / 3.3ft

These latched buttons are rated up to 5A and 250V AC while the LED is rated for 3-6V.

Momentary switch: Push & Hold,ON; Release,OFF

Works well with the pc and any device that requires a momentary 12V pulse to initiate on/off functions

KNACRO XL6019 5A High Power Current DC to DC Step-up 5V 6V 12V 24V 3-35V to 5-40V XL6019 Converter Adjustable Voltage Regulator Power Modules Boost Module Booster (2pcs)

Power Converters

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XL6019 5A Current DC to DC Adjustable Boost Power Supply Board Module, which is a monolithic integrated circuit specially designed for boost and buck. It can work in the range of DC 5V to 40V input voltage, low ripple and built-in power MOS.

XL6019 has built-in fixed frequency oscillator and frequency compensation circuit, which simplifies the circuit design. The PWM control loop can adjust the linear change of duty cycle from 0% to 90%. built-in over-current protection function and EN foot logic level turn-off function.

Adjust the blue knob of the potentiometer (counterclockwise general impulse, buck clockwise rotation) and with a multimeter to monitor the output voltage reaches the required voltage.

Built-in over temperature protection, full set overcurrent protection circuit reliability, high reliability.

Application:EPC/Laptop vehicle adapter; Boost and buck conversion Power supply for handheld equipment.

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KNACRO 24V 4-Channel 10A PC USB Control Switch Relay Module Free Drive Programmable Computer Control Computer USB Control Switch Driver PC Intelligent Controller(24V 4-Channel)

Power Converters

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If you nedd the soft and C++ code to control this device, just contact us on amazon!

The module uses HID technology, without any drivers, plug and play. Support WIN7/XP 32/64-bit systems, easy to use and simple.

High-performance USB controller chip, military grade PCB board production

5V relay, the relay can control the maximum 250V 10A AC load and 30V 10A DC load.

Reserved 4, 8-way power interface, connected to power, even if the computer off or unplug the USB from the computer, you can also relay remains set. 1-way and 2-way no power connector.

APP Download: https://1drv.ms/u/s!AgIwyXAQlpRrctFR9FvUtM71FAE?e=nN0bmy

KNACRO Voltage to Current Module 0-2.5V 3.3V 5V 10V 15V 24V Voltage Conversion to 0-20mA 4-20MA Current (0-24V to 0-20MA)

Audio & Video Connectors & Adapters

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Voltage to current module, can 0-2.5V / 3.3V / 5V 10V / 15V / 24V voltage conversion to 0-20mA / 4-20MA current signal output, by adjusting the voltage to adjust the size of the current. The module is small and easy to use in different places.

Using single-chip embedded technology.

Implement the industry standard voltage (0-2.5V / 3.3V / 5V 10V / 15V / 24V) into an industry standard current (0-10mA, 4-20mA).Drive capability MAX15mA, linear output, the output signal can be directly connected to the AD converter, with the AD function with the microcontroller connection.

Easy to operate, can be fine-tuned by potentiometer.

KNACRO DC 12V 10-17V Step-Up to DC 19V 1A 19W Weatherproof Power Supply Module Converter Regulator Booster

Power Converters

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Convert unstable voltage DC 12V (9-17V) to stable 19V output.

Conversion efficiency more than 93%; IP67 Protection grade, waterproof, moistureproof.

Si-Fe Cores magnetic loop, high temperature resistance and super stability.

The import high heat conduction organic silica gel filling and sealing technology.

KNACRO DC 12.6V 1A Power Adapter Li-ion Battery Charger 5.5mm x 2.5mm 2.1mm DC Interface Suitable for 11.1V 12.6V 3-String Lithium Battery with LED Indicator

Battery Chargers

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Input: 100-240 V AC 50/60 Hz; Cord Length: about 92cm(3FT).

Using high-quality components, intelligent dual IC program control circuit, chip motherboard design

Charger with the flow, overcharge, short circuit, lightning, temperature, pressure, electromagnetic field protection and other functions, constant current output, full stop automatically.

12.6V 1A lithium battery charger for the aircraft model aircraft, remote control airplanes, electric cars and other toy model aircraft / toys polymer battery pack.

ABS plastic, exquisite appearance, high temperature wear-resistant and durable

Low loss, fast transmission, power supply with an output short circuit protection, overload protection, overheating protection.

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KNACRO DC 19V 30A 570W Power Supply,DC 36V 48V (30V-60V) Step Down to 19V Voltage Reducer Converter, Waterproof DC/DC Buck Power Supply

Power Converters

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Input voltage range: DC 30-60V; Output voltage: DC 19V(non-adjustable); Output current: 30A; Output power 570W.

High conversion efficiency: Synchronization rectification technology-multiple intelligent protection function with high conversion efficiency and stability. The conversion efficiency may reach 95%.

Protections: Over-load, Over-current, Over-temperature, Short-circuit, Over-voltage.

Aluminum shell and silicone sealed design: Waterproof, Anti-shock, Anti-humidity and Dust-proof, more durable.

Wide application: Large trucks, taxi radio, emu, car audio, LCD TV, advertising screen, LED strip lights, monitoring system, motor, electronic systems and DIY etc.

KNACRO DC 5V Blue -4℉ to + 212℉ Digital Display Temperature Control, Precision Temperature Controller, Temperature Control switches, Miniature Thermal Control Plate(DC 5V, Blue)

Temperature Controllers

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Digital display is Fahrenheit temperature , Precise temperature control, high sensitivity, suitable for any occasion required temperature.

Temperature control range: -4 ° F to + 212 ° F; Resolution: temperature range -3.9 ° F to 99.9 ° F is 0.1 ° F, other temperature ranges 1 ° F.minimum return difference: 0.1 ° F. Refresh frequency: about 0.5S.

Power Supply: DC 5V 12V 24V;Load: 1ch 10A relay;

Measuring input: 1 meter NTC (10K 0.5%) waterproof metal sensors. Environmental requirements: -10 ~ 60 ℃ Humidity 20% -75% Power consumption: Quiescent Current: =

The output of the temperature controller is 10A relay, which can meet all kinds of high power load. Precision temperature controller, to meet the extreme demands. Sophisticated manufacturing technology, reliable quality.

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KNACRO AC-DC 16.8V 1A Adaptor Lithium Battery Charger for 14.4V 14.8V 16.8V 4-String Lithium Battery Pack Charger 18650 Lithium Battery Charger Full Stop Automatically

Battery Chargers

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Using high-quality components, intelligent dual IC program control circuit, chip motherboard design.

Charger with the flow, overcharge, short circuit, lightning, temperature, pressure, electromagnetic field protection and other functions, constant current output, full stop automatically.

16.8V 1A lithium battery charger for the aircraft model aircraft, remote control airplanes, electric cars and other toy model aircraft / toys polymer battery pack.

ABS plastic, exquisite appearance, high temperature wear-resistant and durable.

Low loss, fast transmission, power supply with an output short circuit protection, overload protection, overheating protection.

KNACRO 4-Channel DC 12V Relay Module High Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V for PLC Automation Control, Industrial System Control(12V 4-CH)

Electrical Motor Controls

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Using high-power relay, the maximum control load DC 30V 30A / AC 250V 30A;

With each optocoupler isolation, anti-interference ability.

In line with international safety standards, the control area and the load area with isolation slot.

Each channle has a relay on LED indication.

Product Applications: PLC automation equipment control, industrial system control, logistics network control, home intelligent product control, electronic enthusiasts to develop experiments, all kinds of circuit modification

KNACRO DC-DC 12V to 9V 2A 18W Step-Down Power Supply Module Car Power Converter Module Synchronous Buck Over-Temperature Over-Current Short Circuit Protection Suitable (DC 9V 2A, White)

Power Converters

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Synchronous rectification, efficient, stable and reliable.

With over-temperature protection, overcurrent protection, short circuit protection; seismic, moisture and dust.

Input voltage: 12V (higher than the output voltage of 3V ) the maximum 20V (DC 8- 22V)).

Output voltage:9V;

Suitable for driving recorder, car player etc.

KNACRO DC-DC 12V to 9V 2A Step-Down Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection

Power Converters

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Properties: BUCK synchronous buck power supply

Input voltage: 12V (higher than the output voltage of 3V to 20V，minimum difference pressure is 3V, step-down power must ensure that the input voltage is higher than the output voltage is greater than 3V and above).

Output voltage: 9V (there are 3.3V, 3.7V, 4.2V, 5V, 6V, 7.5V, 9V optional).

Output Current: 2A MAX (long-term use depending on use environment, at 30 ° ordinary environment, without any long-term cooling 1.5A).

Protection: input reverse polarity, over-current, over-temperature protection, short circuit protection (short circuit can not be a long time, to resume normal work after a short time of the short).

KNACRO I/O Expansion Sensor Shield Module for UNO R3 Nano V3.0 Nano Pro

Power Converters

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This IO Expansion Shield is specifically designed to facilitate an easy connection between Nano and many other devices.

Used for Nano direct, if your seal the Pin of the board also Compatible Duemilanove 2009 and UNO R1.

5 I2C expansion Pin. I2C interface on the main board, convenient and connection of the I2C device.

Compatible with or -compatible Nano v3.0

14 I/O Pin (servo type with GND, power and signal).

KNACRO PWM-to-Voltage Module 0% -100% PWM Converted to 0-10V Voltage Analog to Digital

Power Converters

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1. Convert 0-100% PWM digital signal into analog signal.

2. The input digital signal can be a 0-100% PWM signal at 3.3V or 5V or 24V

3. Output analog signal can be 0-10V voltage or 0-5V voltage.

4. Widely used in PLC; SCM or other industrial control panel signal interface switch.

5. Power anti-reverse function

KNACRO Audio Switching Board 3.5mm Audio Input A/B Group Input Switch Select Output

Audio & Video Connectors & Adapters

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1. PCB size:40*22mm

2. Button switch output/input model

3. Two Audio Input A/B to One Audio Output.User can select A or B to output by button.

4. One Audio Input to two Audio Output A/B.User can select A or B to output by button.

5. Packing List: 1 * Audio Switching Board 3.5mm audio input A / B Group input Switch Select output

KNACRO AC Switching Power Adapter DC 32V/3A 32V 3A 96W Power Supply Adapter AC 100v-240v Interface 5.5x2.5mm Suitable

AC Adapters

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High quality Lithium battery charger, the new IC solutions, intelligent control chip board, full of lights change, security, efficiency and stability.

EMI absorption ring, it also has to absorb EMI, the ability to absorb static pulse magnetic, electronic equipment to achieve compatible (EMI / EMC) and electrostatic discharge of corresponding international standards.

Protection: short circuit protection, overcurrent protection, overcharge protection, over-discharge protection, high voltage protection, over power protection, thermal protection, put mine protection, electromagnetic protection.

All copper nickel-plated plug, standard safety input jack, using a conductive material more pure steel, wear no deformation, and plug the test up to 3000 times, still can better ensure charging contacts.

ABS plastic shell, high temperature wear. Interface Size: 5.5x2.5mm .

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KNACRO AC-DC 4.2V 2A Power Adaptor Lithium Battery Charger Single String Polymer Battery Charger 18650 Lithium Battery Charger Full Stop Automatically

Battery Chargers

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Output interface: 5.5 x 2.1mm (With built-in leaf spring, Compatible with 5.5x2.5 / 2.1mm ).Before buying, be sure to confirm that the interface size of this product matches with yours. Wrong size will not work! !!

Output: DC 4.2V 2A (Suitable for 3.7V 4.2V 1-string Lithium Battery Pack)

Output Wire length: 1m / 3.28ft.

With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection. (Enter Protection mode, with flashing red light)

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KNACRO AC/DC 100V -240V 100V 120V 220V 240V to DC 4.2V 1A Adaptor Lithium Battery Charger Single String Polymer Battery Charger 18650 Lithium Battery Charger Full Stop Automatically

Battery Chargers

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Using high-quality components, intelligent dual IC program control circuit, chip motherboard design.

Charger with the flow, overcharge, short circuit, lightning, temperature, pressure, electromagnetic field protection and other functions, constant current output, full stop automatically

4.2V 1A lithium battery charger for the aircraft model aircraft, remote control airplanes, electric cars and other toy model aircraft / toys polymer battery pack.

ABS plastic, exquisite appearance, high temperature wear-resistant and durable.

Low loss, fast transmission, power supply with an output short circuit protection, overload protection, overheating protection.

KNACRO Free Driver USB Sound Card CM108 USB Sound Card chip

Audio & Video Connectors & Adapters

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USB external sound card.

Bare board manner, visible material, compact and easy to carry.

USB interface, plug and play, instead of traditional sound card (computer sound card is broken, can be a direct replacement).

Analog audio signals can be output to directly drive headphones or powered speakers.

No drivers in WIN2000, WINXP, WIN2003 system.

KNACRO 3.3V 0-100% PWM to 0-10V Conversion Module Digital to Analog Module PLC Industrial Interface Conversion Module(3.3V PWM to 0-10V)

Power Converters

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The 3.3V PWM digital signal is converted to 0-10V analog signal. Can be used for PLC or other industrial control panel of the signal interface switch.

PWM signal receiving frequency range: 1KHZ-3KHZ;

PWM signal input level range: 4.5V to 10V level, jump cap plug in the 5V, the level of the signal is mainly for conventional industrial control card (such as MACH3 board), 5V CPU interface; 12 to 24V level, jump cap inserted at 24V, the level of the signal is mainly for conventional PLC interface.

Power input range: 12V-30V.

By adjusting the potentiometer on the board, you can match the PWM signal pulses at different frequencies.

KNACRO FAQs

Is KNACRO Legit?

Yes, KNACRO is a legitmate brand on Amazon. After conducting a comprehensive analysis of 10 customer reviews for KNACRO products on Amazon, we have determined its average rating. With a strong performance and good quality, KNACRO has received an average rating of 4.82 from numerous buyers, indicating that KNACRO are trustworthy and live up to their claims. Therefore, it is safe to make purchases from KNACRO on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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Go to the KNACRO page.
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