Top Diode Module

DollaTek 5V ESP8266 Four Channel WiFi Relay IOT Smart Home Cellphone APP Remote Control

  • On board high quality MCU and ESP-01WIFI module Two working mode : Mode 1:cellphone carry on wifi module directly Mode 2:cellphone and wifi module carry on router together Additional function :work as USB module when disconnect ESP-01 module.
  • Transmission distance: (1) the open environment, the mobile phone when carrying on the WIFI module maximum transmission distance of 100 m.
  • (2), when the WiFI module and cell phone carrying on the router at the same time the signal transmission distance depends on router signal.
  • Use the Smartconfig technology to complete the configuration of the account and password of the esp-01 WIFI module on the mobile APP. The configured account and password will be memorized after power off.
  • The board contains 5V,10A/250V AC 10A/30V DC relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time..
  • With mode option and working statue LED indicator.With 4 isolator and strong anti interference ability.Reserved UART debug interface and MCU download port for program.
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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..
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5V ESP8266 Dual Channel WiFi Relay Module IOT Smart Home Phone APP Remote Switch with 100M Transmission Distance

  • ON-BOARD ESP-01 WIFI MODULE: The relay board is equipped with on-board ESP-01 WiFi module and high performance microprocessor STM8S103..
  • UART DEBUG INTERFACE: The relay has reserved UART debug interface and STM8 SWIM program download interface..
  • SMART CONFIG TECHNOLOGY: The module uses smart config technology to complete the account and password configuration on the APP ESP-01 WiFi module on the mobile phone, and configure the username and password memory functions..
  • ON-BOARD 5V RELAY: This relay module adopts On-board 5V,10A250V AC 10A30V DC relay, which can continuously pull 100,000 times with diode discharge protection and short response time..
  • WORKING STATUS INDICATOR: The module has board mode selection and real-time working status indicator..
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1200W High Power DC to DC Boost Converter, PEMENOL DC 10-36V to 12-80V Boost Module Step-up Transformer, Adjustable Charging Power Supply for Electric Vehicles and Solar Power

  • ★High Power DC to DC Boost Converter: This module with a function of constant voltage and constant current. It can be used to provide charge for electronic devices. Suitable for voltage stabilization of solar panels, charging of batteries, lithium batteries, etc.
  • ★Wide Input Voltage and Output Voltage: Input voltage: 10-36V.
  • output voltage:12-80V. The output current can be adjusted(Max 20A). ultra-low input and output voltage difference. When the current > 18A, please strengthen the heat dissipation.
  • ★With Overcurrent and Short Circuit Protection : Double short-circuit protection (input 20A fuse).
  • with output anti-reverse flood protection, no need to add anti-reverse diode when charging.Note: There is no reverse connection protection, if you have this need, please connect a diode in series with the input.
  • ★Large Heat Sink: Large heat sink design (85mm*62mm*64mm), and it has been processed with black oxidation (black oxidation has better heat dissipation). Which can prolong the service life of the module and make the conversion efficiency of the module higher.
  • ★Widely Application: High-power LED constant current drive, Lithium battery charging, Ni-Cd or Ni-MH battery charging, Solar panels, Wind Turbines, and so on.
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Wifi Relay Module, 5V ESP8266 Dual Channel WiFi Relay Module IOT Smart Home Phone APP Remote Switch

  • 2 WORKING MODES---Mode 1: The phone is directly installed on the WiFi module.
  • Mode 2: Equipped with a mobile phone and WiFi module on the router.
  • Additional features: It can also be used as a USB relay when the ESP-01 is pulled out.
  • TRANSMISSION DISTANCE---In an open environment, when the mobile phone is installed on the WiFi module, the maximum stable transmission distance is 100M. When the WiFi module and the mobile phone are simultaneously carried on the router, the transmission distance depends on the signal strength of the router.
  • SMARTCONGIG TECHNOLOGY---Use smartcongig technology to complete the account and password configuration on the APP ESP-01 WiFi module on the mobile phone, and configure the username and password memory functions.
  • SHORT RESPONSE TIME---On-board 5V,10A250V AC 10AV30V DC relay, which can continuously pull 100,000 times, with diode discharge protection and short response time. Onboard ESP-01 WiFi module and high performance microprocessor STM8S103.
  • OTHER EQUIPMENT---Board mode selection and real-time working status indicator. Reserved UART debug interface and STM8 SWIM program download interface.
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5mW 650nm Red Laser Diode Cross Module 2 Pack (Red Cross)

  • Direct Green Laser Diode for large temperature operation range. Dimensions : Ø0.255" x 0.87" (Ø6.5 x 22.1 mm).
  • 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..
  • Wavelength : 505~530 nm. Laser output power : Class IIIa - less than 4mW..
  • 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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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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