ReviewsDiode Module

3v Relay Board Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board

【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
【Main Specification】- The 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.4pcs * 2.5 mm Fixed Bolt Hole..
【Adopted Optocoupler Isolation】- 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. Fast response time less than 20ms and long life time up to 100,000 times snap action with diode freewheel protection..
【Jumper Caps】You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. And It is better to share the same power supply, because that is more convenient for using..
【Wide Application】- These 3v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/IOT/ ESP8266 module etc..

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Fluke 3000 FC GM Wireless General Maintenance System Multimeter

Wireless general maintenance system kit with a digital multimeter, voltage modules, and flexible current module and probe for measuring AC and DC voltage and current, continuity, resistance, diode test, capacitance, and frequency.
Modules can be connected to a test point, and results can be viewed up to 20 meters away on the multimeter.
Kit includes a 3000 FC series wireless multimeter.
A3001 FC wireless iFlex AC current module.
The Fluke 3000 FC Series Wireless Multimeter with the Fluke Connect app has all the essentials for convenient test and measurement troubleshooting.

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UCTRONICS DC 12V Time Delay Relay Module with Plastic Enclosure, On Delay and Off Delay for Automobile, Raspberry Pi, Industrial Control, and Other Electronic Projects

Max. Load Voltage: terminal NC is DC 30V or AC 250V, terminal NO is DC 28V or AC 125V.
Functions: Supports on delay and off delay modes, the delay time can be adjusted from 0.1s to 1h, the delay mode and delay time can be set by shorting or opening the jumper pins and rotating the potentiometer..
Self Protection: Built with protection against reversal diode, supports anti-reverse protection. NOTE: Please remove the jumper cap of S5 when controlling AC current or DC current voltages other than 12V, otherwise the module will be burned or will not work properly..
Applications: This module works as a switch with time delay on and off function, highly recommended for automotive circuit modification, and LED lights, DC motors, pump and smart home control system..
You'll Be Getting: A time delay relay module U6031, 2 pieces of protective case and 2 mounting screws.
the plastics case keep the module free from dust and water, which is available for more applications than the separate module..

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DC DC Buck Boost Converter Variable Voltage Regulator CC CV 0.5-30V 4A 5V 6V 12V 24V Power Module Adjustable Voltage Regulated Laboratory Power Supply

output voltage range is DC 0.5-30V, can be arbitrary adjustable.
output current can be 3A for long term use, if enhance heat dissipation, it can reach 4A.
max output power is 35W, if enhance dissipation, it can reach 50W.
LCD displays input/output voltage, output current/output power/output capacity/output time.The module can be set to ON/OFF by default.
Safe Protection: the module is with Anti-reverse connection protection of input end, so that it will not burn out when there is reverse connection.Anti-backflow protection at the output end. No need to add anti-backflow diode when charging. Multiple software protection mechanisms are available, and the protection threshold is adjustable. When the working parameters of the module exceed the protection threshold, the output will be automatically turned off.
Application: the volt conversion board can be used as an ordinary buck/Boost module with over-current protection.
used as a high-power LED constant current driver module.
DIY a solar power controller, Battery Charging.
Output ripple is small and πfilter is available.Thick heat sink .Buck-boost Integrated.

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AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board

【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A.
DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO..
【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc..
【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection..

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Hopcd Microwave Sensor Switch, 3.7GHz Microwave Sensor Body Motion Detector/Smart Light Switch for Corridor Embedded Ceiling Mount,

This product is a 3.7GHz microwave induction mobile module, which can effectively detect objects moving inductively..
The module has a main control chip with a built-in high-precision algorithm unit, which can effectively filter out environmental interference..
Good stability, strong anti-interference, wide sensing range and high sensitivity..
The control signal output delay time is adjustable and accurate..
An externally connected photosensitive diode prevents the product from working during the day (it can also be adjusted to work during the day)..

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Laser Engraver Cutting Module, LASER TREE 10W Output Optical Power Diode Laser Head, Double Ultra-Fine Compressed Spot Laser Cutter Module with Air Assistance, Laser Engraver for Wood and Metal, 24V

POWERFUL 10W DUAL LASER MODULE – The LASER TREE laser module has 80W machine power and 10W output power, 0.08*0.08mm compressed spot enabling finer laser engraving. The laser module engraves 304 stainless steel up to 300mm/s at a 45mm focus length. And laser cutter module ability to cut through 8mm thickness plywood by one pass at speed of 1.5mm/s. Excellent engraving speed & remarkable cutting ability for a better cutting/engraving experience..
AIR ASSIST & EYE PROTECTION MODES – AIR ASSIST Mode: LT-80W-AA laser engraver module is equipped with an air assist metal nozzle that can make material edges cleaner when cutting/engraving. That will greatly reduce burned marks and bring you an excellent cutting experience. (Note: Air-assisted pump not included) Mode 2: This laser module comes with a detachable eye protection cover. When engraving with this laser head, you could use this protective cover that can effectively filter blue light..
ULTRA-LONG SERVICE TIME – The main part is made of aluminum alloy to make the module structure more solid. And this laser cutter engraver module built-in fan cooling system, a fan speed of 10000 rpm, and cools efficiently to prolong service life. Original diode, high quality, lifetime up to 20,000 hours. Engraving ....

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Ucreate 3D Printer Laser Engraver Kit for Ender-3 S1/pro 24V 1.6W Engraving Laser Modules Simple Installation Safety Protection Precise Focusing Soot Absorption

Featuring reliability, high stability and high efficiency, the premium laser diode in this module allows for excellent laser beam quality..
The laser engraving head kits enables to engrave metal, wood, acrylic, and others substances..
Compatible with Ender-3 S1/Ender-3 S1 Pro/CV-01 Carving Machine, can be adapted to various 3D printers, laser engraving machine, CNC engraving machine and other machines according to requirements..

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405nm 445nm 450nm Laser Diode LD Driver Board 12V 2W Step-Down Constant Current Drive Circuit of TTL Modulation Power Supply

Direct Green Laser Diode for large temperature operation range. This module has integrated optic, laser diode, and APC driver circuit..
APC Driver Circuit enables the Laser output power safe and constant. Aspherical Glass lens provides tight Dot Laser in large temperature range..
Dimensions : Ø0.275" x 1.03" (Ø7 x 26.1 mm).
Wavelength : 505~530 nm. Laser output power : Class II - less than 1mW..
Beam Divergence (Half Angle) : 003c0.6 mRad. 3~6 VDC operation. Connection type : Lead wire. Please notice: laser modules are not supposed to be sold with any power source, power supply, or wiring terminals. Because modules are simply components, and it means that you have to wire it to your own power source by yourself..

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farhop 5mW 532nm Green Laser Diode Module ECONOMICAL 532-D-12-48-G-5-3

650nm 5mw Red Dot Lazer Diode 10mw Lazer Module.
Adjustable Foucs Dot based on your Working distance.
ACC Circult Design and Industry Class Laser.

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RF Switch Board, 3‑5V RF Switch Module Single Pole Double Throw Board 50Ohms Input Output Impedance SMA Interfac(HMC849)

New M50100TB1600 Crydom Diode Rectifier Bridge Module Original.

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