Reviews Power Protection Module

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

  • ...aser 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 module kit protective lens can have no fingerprints, it will affect the cutting ability, and the performance of the module decreases..
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DC Audio LVL3-M2 12' Level 3 900W/1800W Dual-2-Ohm Car Audio Subwoofer/Sub

  • ...s. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module..
  • High Performance: the class D power amp module is with high efficiency of over 90%, general harmonic distortion noise is less than 0.2%, low quiescent current and noise suppression..
  • Safe Protection: the 2 channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection, overcurrent protection, overvoltage protection, undervoltage protection.
  • Additional Function: it is available to connect external mute function (MUTE: High level mute, factory default low level).
  • available to add an external Shutdown (SD: the chip will be Shutdown at low electricity level, factory defaults high electricity level..
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SainSmart USB 4 Channel Relay Automation (5V)

  • NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
  • Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
  • Module with overcurrent protection and relay diode freewheel protection..
  • NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
  • NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.
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DEVMO 2PCS PAM8403 3W Stereo Audio Power Amplifier Board Module Super Mini DC 5V with Volume Control Potentionmeter

  • ★Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power,Battery power can also be used.
  • ★Provides 3W (left channel) + 3W (right channel) output power into a 4Ω speaker load and 5V power supply.
  • ★Integrated power switch and volume control (turn knob fully counter-clockwise to turn off).
  • ★Module has short-circuit current protection, under-voltage lockout and over-temperature protection (shuts down at an internal temperature of 140C....
  • ★Package Includes: 2PCS PAM8403 Class D Stereo Audio Power Amplifier Module with Volume Control Potentiometer.
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HiLetgo 12V~40V 10A PWM DC Motor Speed Control Switch Controller Voltage Regulator Dimmer for Arduino

  • Using imported high-power FET, the load current up to 10A.
  • With fuse, to prevent short-circuit high current, causing burnout protection.
  • With reverse power protection, to prevent damage to the module when the power is reversed.
  • Original 63V / 1000uF large capacitor, to ensure the stability of the module.
  • Potentiometers are equipped with nuts, you can use without adding other components.
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20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

  • ...r mini power supply is compatible with Arduino MEGA2560, MSP430 development board, 3.3V low power consumption MCU, FPGA/CPLD PLD programmable logic systems, ARM7 ARM9 ARM11 STM32, etc..
  • Provide more safety: the AMS1117-3.3 800mA DC buck module features overheat shutdown circuit provides overload and over-temperature protection, no worry about safety and bring you more convenience.
  • Operating junction temperature range: -40 to 125°C, welding temperature (25 seconds): 265°C, storage temperature: - 65~150°C.
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DC Variable Power Supply WZ5005 Adjustable Switching Power Supply with 4 Digit LCD Display for Lab Equipment and Electronic Testing

  • MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
  • EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
  • EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
  • DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
  • AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....
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12V to 5V Direct Current Converter Buck Module USB Output Power Adapter Direct Current Power Adapter Converter Regulator Car Power Converter (3)

  • Parameter: these usb buck module input voltage range DC 12V and output voltage default DC 5V, the maximum output current is 3A, no-load current is 10mA and the maximum output power will reach 15W.
  • USB and high conversion: this DC to DC converter module has USB charging ports, DC to DC buck converter has integrated switch thin regulator module, the conversion rate is as high as 96%.
  • Intelligent protection: this 12V to 5V DC converter is using intelligent microprocessing chip, over voltage, over current, over temperature and short circuit, it can be auto protection.
  • Wide application: DC converter module 12V to 5V is widely applied for GPS navigation, driving recorder, electronic dog, car radio, MP3, MP4, walkie talkie, surveillance system, bus display, taxi advertising screen, LCD TV, LED, etc..
  • Warm prompt: the power of devices must be lower than 15W when using this DC to DC converter 12V to 5V, and not compatible with partial Samsung phones.
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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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CGOLDENWALL Lab Compact Spin Coater Machine Spin Processor EZ4 + Oil-free vacuum pump + VACUUM SPIN CHUCK HS-EZ4

  • MULTI-PROTECTION FUNCTION-- DC power supply is made of flame retardant material with small size and light weight, possess constant voltage and constant current output, overvoltage and overcurrent protection, overtemperature and undervoltage protection for long time usage..
  • EASY OPERATION-- USB to TTL module (U2T)/RS485 to TTL module (T485) can be selected with remote connection control for necessary test requirements..
  • EQUIPPED WITH LARGE LCD DISPLAY-- Adjustable switching power supply is designed with 1.8-inch high-definition LCD screen with LCD 4-digit display, support PC upper computer, support for Android APP..
  • DATA HOLD FUNCTION FOR EASY DATA STORAGE-- Variable power supply comes with convenient and quick data storage, key lock function to prevent misoperation..
  • AUTOMATICALLY SHUT OFF FOR SAFE TESTING-- The output over?voltage (OVP)/over?current (OCP) data can be set through the buttons on the panel, and the over?temperature protection (OTP)/under?voltage protection (LVP) is built?in. When the output voltage, current and device temperature exceed the protection value, input vo....
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