ReviewsEfficiency Diode

ATOMSTACK A20 Pro 20W Laser Engraver and Cutter, 130W Laser Engraving Cutting Machine with Air Assist Kit and F1 Honeycomb Working Table, Laser Engraver for Wood and Metal, Vinyl, Acrylic, Glass

• ...ingle cut.It can even cut 0.05mm stainless steel sheets, wood up to 25mm and acrylic up to 30mm..
• Fastest and Cleaner Cutting: 20W highest power laser, it can cut faster and deeper than other power lasers. Buit in F30 Pro upgraded air assit kit that makes you can enjoy the concise beauty.It can increase laser cutter efficiency to save your time.Quickly and efficiently reduce the surface temperature of objects during the engraving and cutting process, and the edges will be cleaner and clearer..
• More Precise and Multiple Colours Engraving: ATOMSTACK A20 pro laser engraver with a newly upgraded 32-bit motherboard works more smoothly and stable. The advanced built in 256-bit color scale with 0.08 * 0.1mm ultra-fine laser focus area achieving the finer engraving result and higher contrast effect. The finished pattern is like sketching on paper. The effect is more delicate and natural in the overlay of black and white..
• Meet Your Business Needs: ATOMSTACK A20 PRO configures the touch control panel, support offline engraving. You can carry out engraving work anytime and anywhere without computer.It is convenient to build a huge engraving group and improve production efficiency..
• Equipped with F1 Honeycomb Working Table: Size is 380x284x22mm.The F1 hon....

UT136B Multimeter Resistance Tester Voltmeter Digital Ohmmeter Voltage Tester Measures Current, Resistance, Frequency; Tests Diodes, Temperature

• 【Diode Tester】Our diode Test meter maximum display 3999, support diode and triode test function, support NCV function.
• 【Auto Range 】UT136B+ automatic range digital multimeter with capacitor and frequency for easy operation.
• 【Safety Operation】Safety level CAT II 1000V, CAT II 600V, passed the 1m drop test. Voltmeter can measure AC and DC voltages up to 1000V and can measure currents up to 10A (20A at 30S measurement time).
• 【Protection】Full featured mis test protection, can withstand 1kV voltage shock, and is more convenient to use.
• 【Multifunction Test】Support on off test, data hold, auto power off, low voltage display and screen backlight.

Creality 3D Printer Laser Engraver Module Ender 3 Laser Engraving Attachment 1.6W 12V/24V 450nm Blue-Violet Light, Magnetic Design, with Goggles and Wood Pieces, Upgrade for Ender 3/5 Pro, CR-10

• Premium Laser Diode: Featuring reliability, high stability and high efficiency, the premium laser diode in this module allows for excellent laser beam quality..
• Adjustable Focus: Users can adjust the focus by rotating the laser head according to the working distance to find the optimal spot size..
• Fast Heat Dissipation: Equipped with a large aluminum heatsink, cooling DC fan, and an added hole to improve air flow, all of them contribute a fast and efficient heat dissipation, allowing for prolonged service life..
• Easy to Use: Just clip the module magnetically to the print head, wire it to the motherboard, and installation is done. No firmware upgrade is needed..
• Compatibility and Application: The laser module is compatible with Ender 3, Ender 3 Pro, Ender 3 Max, Ender 5 Series, CR-10 and printers with controllable fan ports. It can be used to engrave wood, leather, paper, and bamboo..

Lights88 532nm Green Laser Module Diode Laser Beam Driver(5mw Green Dot Laser Module)

• 100mW Module: This is a 100mW module that can emit a 405nm blue-violet ..
• Adjustable focus design: dot diode module adopts adjustable focus design.In other words, the spot size of this dot diode module is adjustable..
• High Reliability Material: This dot diode module is made of durable copper shell for long life..
• Continuous output: This dot diode module supports continuous output and can be used for a long time..
• Application: This dot diode module is designed for engraving machine, cutter and so on..

Quarton Laser Module VLM-650-03 LPA (ECONOMICAL DOT Laser)

ATOMSTACK A20 Pro 20W Laser Engraver and Cutter, 130W Laser Engraving Cutting Machine with Air Assist Kit and R3 Rotary Roller,Laser Engraver for Wood and Metal, Vinyl, Acrylic, Glass

• ...ingle cut.It can even cut 0.05mm stainless steel sheets, wood up to 25mm and acrylic up to 30mm..
• Fastest and Cleaner Cutting: 20W highest power laser, it can cut faster and deeper than other power lasers. Buit in F30 Pro upgraded air assit kit that makes you can enjoy the concise beauty.It can increase laser cutter efficiency to save your time.Quickly and efficiently reduce the surface temperature of objects during the engraving and cutting process, and the edges will be cleaner and clearer..
• More Precise and Multiple Colours Engraving: ATOMSTACK A20 pro laser engraver with a newly upgraded 32-bit motherboard works more smoothly and stable. The advanced built in 256-bit color scale with 0.08 * 0.1mm ultra-fine laser focus area achieving the finer engraving result and higher contrast effect. The finished pattern is like sketching on paper. The effect is more delicate and natural in the overlay of black and white..
• Meet Your Business Needs: ATOMSTACK A20 PRO configures the touch control panel, support offline engraving. You can carry out engraving work anytime and anywhere without computer.It is convenient to build a huge engraving group and improve production efficiency..
• Equipped with R3 Rotary Roller Kits: The R3 roller include 4 Auxiliary Heighte....

SMD Meter Capacitance Diode Resistance Measuring Instrument Handheld Resistance Capacitance Tester for Electrician with Diode Test 1.5V

• 【SPECIAL MEASURING】This meter is specially used to measure SMD(surface mounted device).
• 【WIDELY APLLICATION】This HP-990B handheld diode meter is suitable for agricultural, home appliance, industrial and office use..
• 【AUTOMATICALLY DIODE】This handheld diode meter will be off automatically after 15minutes when there is no operation..
• 【LARGE LCD DISPLAY】This HP-990B handheld diode meter is with large LCD make you read easily..
• 【UNIQUE HANDHELD DESIGN】This HP-990B handheld diode meter is handheld design, easy to grip and use..

DC 3-5V 405nm 100mW Mini Dot Diode Module Head Adjustable Focus Blue Violet Diode Module Micro Tube

• 100mW Module: This is a 100mW module that can emit a 405nm blue-violet ..
• Adjustable focus design: dot diode module adopts adjustable focus design.In other words, the spot size of this dot diode module is adjustable..
• High Reliability Material: This dot diode module is made of durable copper shell for long life..
• Continuous output: This dot diode module supports continuous output and can be used for a long time..
• Application: This dot diode module is designed for engraving machine, cutter and so on..

8PCS L298N Motor Drive Controller Board Dual H Bridge DC Robot Stepper Motor Compatible with Ardu-ino Electric Projects, Smart Car Robot

• Dual-channel H-bridge driver working mode creates higher working efficiency,L298N as main chip, Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors..
• The L298N driver module, using L298N chip can directly drive two 3-30V DC motor, and provides a 5V output interface, you can chip circuitry to 5V power supply, support 3.3VMCU control, you can easily control the DC motor speed and direction, you can also control the 2-phase stepper motor, smart car essential..
• Terminal driver part of the supply area VMS: +5V ~ +35V.
• Drive part of the peak current Io: 2A / Bridge.
• Logical part of the terminal power supply range Vss :4.5-5 .5V.
• Logical part of the operating current range: 0 ~ 36mA.
• The control signal input voltage range: 4.5-5.5V low 0V high.
• To avoid damage the voltage stabilizing chip, please use an external 5V logic supply when using more than 12V driving voltage.
• High working power to 46v, large current can reach 3A MAX and continue current is 2A, power to 25w..
• Use large-capacity filter capacitors and diode with freewheeling protection function, increasing reliability, large capacity filter capacitance,afterflow protection diode, more stable and reliable..

Multifunction Meter DIY kit ACEIRMC Mega 328 Graphic Transistor Tester NPN PNP Diodes Triode Capacitor ESR SCR MOSFET Resistor Inductance LCD Display Checker with case

• Automatic detection of NPN and PNP transistors, n-channel and p-channel MOSFET, diode (including double diode), thyristor, transistor, resistor and capacitor and other components.
• Can detect the transistor, MOSFET protection diode amplification coefficient and the base to determine the emitter transistor forward biased voltage.
• Can be in the correct order and the diode symbol display two diodes , and gives the diode forward voltage.
• measure capacitanceCan measure capacitance of 30pF-100mF , resolution 1pF.
• Package: 1 * LCR-T4 Mega328 Transistor Tester 1* LCR-T4 Mega328 Transistor Tester Case.

Zener Diodes Kit, 1W Axial Leads Through Hole Power Diode Assorted Assortment Box Kit Set (3.3V/3.6V/3.9V/4.3V/4.7V/5.1V/5.6V/6.2V/6.8V/7.5V), Range 1N4728~1N4737,Pack of 200, By Ltvystore

• All Zener Diodes Packed In Re-use Box, with Lable to Distinguish Zener Diode, You Could Also Put Your Other Diodes Capacitors Resistors Transistors In The Box..
• Zener Diode Assortment Box Widely as Voltage References and as Shunt Regulators to Regulate the Voltage Across Small Circuits.
• Diodes Suit for Doorbell Audio Arduino ect.
• Multipe Specifications Assorted Zener Diode Meet Your Need. Range: 1N4728,1N4729,1N4730,1N4731,1N4732,1N4733,1N4734,1N4735,1N4736,1N4737.
• Diode Voltage Range: 3.3V/3.6V/3.9V/4.3V/4.7V/5.1V/5.6V/6.2V/6.8V/7.5V.
• High Quality and New 1W Silicon Zener Diode Assorted Assortment Box Kit.