High ultrasonic control

Ultrasonic ranging module HC - SR04 provides 2cm - 300cm, non-contact measurement function, and the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit. The performance of this module is stable and precise measure of distance.   And comparable foreign SRF05, SRF02 Ultrasonic Ranging Module.   Module precision, blind spots (2cm) super close, stable distance measurement. This module resembles GH-311. Main technical parameters: 1.     Voltage: DC5V 2.     Quiescent Current: 3.     level output: the output of the high-5V 4.     detection range: 2cm-300cm 5.     Dimension mm 6.     Trigger Input Signal 10uS TTL pulse The module works: (1) IO trigger ranging to at least 10us high signal; (2) module automatically sends eight 40kHz square wave, automatically detect whether a signal return; (3) the signal to return, a high IO output, high duration of Ultrasonic time from launch to return.   Test distance = (time high * speed of sound (340M / S)) / 2   Package Contain: 1xUltrasonic Module

Ultrasonic module for electronic projects Features Stable performance Measure the distance accurately Precision: Blind (2cm) super close Parameters Working voltage: DC 5V Quiescent current: 2mA Level output: 5V High 0V Low  Sensor angle: Less than 15 degrees Detection distance: 2 cm - 450 cm High: up to 0.3cm Connection mode: VCC, trig (control side), echo (receiving end), GND Lowest on | Expedited shipping | Till stocks last

High quality Electronic Helminthes Machine Repellent Mosquito/Bug/Insect/Rat/Mouse Safest Pest:: Description:: Electronic Mosquito/Rat/Mouse/Bug/Insect Repellent Machine * 1pcs Electronic repellent device is a new type of high-tech electronic products, it uses high-frequency ultrasonic sweep circuit, resulting

High quality Electronic Helminthes Machine Repellent Mosquitoes Pest Repeller Description: Electronic Mosquito/Rat/Mouse/Bug/Insect Repellent Machine * 1pcs Electronic repellent device is a new type of high-tech electronic products, it uses high-frequency ultrasonic sweep circuit, resulting

High Speed Power Strip Style 4 Port USB 2.0 Hub with Individual On/Off Switches High speed 4-Port USB 2.0 HUB with on/off switches. It allows you to connect to a variety of USB devices including scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players and more! Specifications: 4 port high speed USB 2.0 HUB.  Each HUB with an ON/OFF switch, easy to control.  Over current protection.supports up to 480 Mbps data transfer rate and is ideal for alleviating desktop clutter! Plug and play.Friendly and ergonomic design. Fully compliant with USB specification version 2.0, You May Also Like

HIGH QUALITY LASER PRESENTER WITH LATHER POUCH Wireless PPT presenters  build confidence by giving you intuitive controls and thoughtful features that let you spend more time focused on what truly matters: your audience. With features like extended wireless range   Product Description   High Quality Laser Presenter with Leather Pouch Product Description Wireless PPT presenters   build confidence by giving you intuitive controls and thoughtful features that let you spend more time focused on what truly matters: your audience. With features like extended wireless range, a comfortable easy design and built-in memory that stores your presentation, you’ll have everything you need to control the room. you’ll enjoy an ergonomic design that fits comfortably

High Beam Power Green Laser 303 Pointer 200mw 532nm Pen Burning Matches Lazers + Star Head ___________________________________________________   Product Description   This 200mW 532nm focus green laser pointer is exquisite, portable and has extensive applications, it emits green light with a wave length of 532nm. The laser pointer can be transformed into a “Disco Laser Pointer” with its Star Cap. The portable button is designed as the switch, easy to operate and control. Black Body makes the laser light

Master Pro Touch is a high-end ultrasonic milk analyzer with touch screen which measures the main parameters of any type of milk. The large 7 inch touch screen graphic display allows for fast and easy overview of the records saved in electronic table directly on the analyzer’s display without using a PC. Master Pro Touch implements the newest and most advanced technology in the ultrasonic milk analysis. The analyzer has stainless steel body. It is robust, reliable and extremely accurate. Master Pro Touch milk analyzer is perfect for big dairy plants and quality control labs.

Features Stable performance Measure the distance accurately Precision: Blind (2cm) super close Parameters Working voltage: DC 5V Quiescent current: 2mA Level output: 5V High 0V Low  Sensor angle: Less than 15 degrees Detection distance: 2 cm - 450 cm High: up to 0.3cm Connection mode: VCC, trig (control side), echo (receiving end), GND

Product Description The LV‑MaxSonar‑EZ0 has the widest and most sensitive beam pattern of any unit from  LV‑MaxSonar‑EZ  sensor line. This makes the LV‑MaxSonar‑EZ0 an excellent choice for use where high sensitivity, wide beam, or people detection is desired.   Product Specifications   Resolution of 1 inch 20Hz reading rate 42kHz Ultrasonic sensor measures distance to objects RoHS Compliant Read from all 3 sensor outputs: Analog Voltage, RS232 Serial, Pulse Width Virtually no sensor dead zone, objects closer than 6 inches range as 6 inches Maximum Range of 254 inches (645 cm) Operates from V Low 2.0mA average current requirement Small, light weight module Designed for easy integration into your project or product Widest beam of the LV-MaxSonar-EZ sensors Great for people detection applications

This is a listing for 1 Way Remote  Control Switch (Works 50 To 100 MTS) ON/OFF One Lamps/Fan or Any Other Loads  - 220 V, Watt /4 Amp Load Product Description: 100% Brand New Excellent Quality Voltage:220v/HZ Standby Power Consumption Working Temperature ≤-25°C~+80°C Working Humidity ≤90%RH Electric Incandescent Lamp ≤W Receive Sensitivity ≥-105Dbm Load For Each Way:Electric Incandescent Lamp ≤w,Energy Saving Lamp ≤500w, Daylight Lamp ≤500w Remote Control Distance Range ≤80m Battery Can Removable And Changeable.When The Indicator Light Darken,Should Change The Battery One Way Control:Remote Control, Manuel Control, Head Control. Radio Frequency, Anti-Interference, No Barrier Not Obstructed By Walls, Capable of Connecting Any Load Applicable To All The Common Lamps Fast, Easy Installation, Turn Off The Power Before Installing Remote Controller And Switch Can Be Used Simultaneously For Ease And Flexibility Digital Telecontrol Switch 1-Way Digital Telecontrol Switch, Wireless Remote Control Switch, Remote Controller Remote Control, Replace Original Wall Switch Directly Compact Size  Light Weight. Shell Material: Metal Case / Aluminum Base Color: Sliver Weight:  250g IN-DOOR USE ONLY! Please Do Not Use Inductive Loads Like AC, Motor, Water Pump, Etc Connection Is  Mentioned  On The  Unit  Itself  (Person Who Don't Have Knowledge Of Electricity Please Don't Buy This, Only  Buy If You Can Arrange An Electrician To Fit The Same) Note: You Should a Power Backup (Inverter) at Your Home Because if Power Fail/Cut and Return/Come Back Again Then This Unit Automatically Any One or All Switches are Become Switch ON. PLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE Applications: Suitable For Home, Office, Hotel, Factory, Hospital, etc Package Include: 1x Receiver (Stainless steel shell) 1x Transmitter (Remote) 1x Battery (12V 23A)

This is a listing for 5 Way Remote  Control Switch (WORKS 50 To 100 MTS) ON/OFF 5 Lamps/Fan or Any Other Loads  - 220 V, Watt /5 Amp Load Product Description: 100% Brand New & Excellent Quality Voltage:220v-250V/HZ Standby Power Consumption Working Temperature ≤-25°C~+80°C Working Humidity ≤90%RH Electric Incandescent Lamp ≤W Receive Sensitivity ≥-105Dbm Load For Each Way: Electric Incandescent Lamp ≤w,Energy Saving Lamp ≤500w, Daylight Lamp ≤500w Remote Control Distance Range ≤80m Battery Can Removable And Changeable.When The Indicator Light Darken,Should Change The Battery 5 Way Control:Remote Control, Manuel Control, Head Control. Each Way Can Turn On/Off Independently, All The Ways Can Turn On/Off Completely Radio Frequency, Anti-Interference, No Barrier Radio Frequency, all-way control, not blocked by any Obstacles Applicable To All The Common Lamps & Fans Fast, Easy Installation, Turn Off The Power Before Installing Remote Controller And Switch Can Be Used Simultaneously For Ease And Flexibility 4-Way Digital Telecontrol Switch, Wireless Remote Control Switch, Remote Controller Remote Controller Powered by 1 x 23A / 12V Battery (included) Color: White Plastic housing material Weight:  240g IN-DOOR USE ONLY! Please Do Not Use Inductive Loads Like AC, Motor, Etc Connection Is  Mentioned  On The  Unit  Itself  (Person Who Don't Have Knowledge Of Electricity Please Don't Buy This, Only  Buy If You Can Arrange An Electrician To Fit The Same) Note: You Should a  Power Backup (Inverter) at Your Home Because if Power Fail/Cut and  Return/Come Back Again Then This Unit Automatically Any One or All  Switches are Become Switch ON. PLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE Our Product Come With 1 Month Against any Manufacturer Warranty. Applications: Suitable For Home, Office, Factory, Restaurants, Hotels, Meeting Rooms, Museum, Hospital, Shop Windows, and Art Gallery etc Package Include: 1 x Receiver 1 x Transmitter (Remote) 1 x Battery (12V 23A) 

This is a listing for 4 Way Remote  Control Switch (WORKS 50 To 100 MTS) ON/OFF 4 Lamps/Fan or Any Other Loads  - 220 V, Watt /5 Amp Load Product Description: 100% Brand New & Excellent Quality Voltage:220v-250V/HZ Standby Power Consumption Working Temperature ≤-25°C~+80°C Working Humidity ≤90%RH Electric Incandescent Lamp ≤W Receive Sensitivity ≥-105Dbm Load For Each Way:Electric Incandescent Lamp ≤w,Energy Saving Lamp ≤500w, Daylight Lamp ≤500w Remote Control Distance Range ≤80m Battery Can Removable And Changeable.When The Indicator Light Darken,Should Change The Battery 4 Way Control:Remote Control, Manuel Control, Head Control. Each Way Can Turn On/Off Independently, All The Ways Can Turn On/Off Completely Radio Frequency, Anti-Interference, No Barrier Radio Frequency, all-way control, not blocked by any Obstacles Applicable To All The Common Lamps & Fans Fast, Easy Installation, Turn Off The Power Before Installing Remote Controller And Switch Can Be Used Simultaneously For Ease And Flexibility 4-Way Digital Telecontrol Switch, Wireless Remote Control Switch, Remote Controller Remote controller powered by 1 x 23A / 12V battery (included) Color: White Plastic housing material Weight:  240g IN-DOOR USE ONLY! Please Do Not Use Inductive Loads Like AC, Motor, Etc Connection Is  Mentioned  On The  Unit  Itself  (Person Who Don't Have Knowledge Of Electricity Please Don't Buy This, Only  Buy If You Can Arrange An Electrician To Fit The Same) Note: You Should a  Power Backup (Inverter) at Your Home Because if Power Fail/Cut and  Return/Come Back Again Then This Unit Automatically Any One or All  Switches are Become Switch ON. PLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE Our Product Come With 1 Month Against any Manufacturer Warranty. Applications: Suitable For Home, Office, Factory, Restaurants, Hotels, Meeting Rooms, Museum, Hospital, Shop Windows, and Art Gallery etc Package Include: 1 x Receiver 1 x Transmitter (Remote) 1 x Battery (12V 23A) 

This is a listing for 3 Way Remote  Control Switch (WORKS 50 To 100 MTS) ON/OFF 3 Lamps/Fan or Any Other Loads  - 220 V, Watt /5 Amp Load Product Description: 100% Brand New & Excellent Quality Voltage:220v-250V/HZ Standby Power Consumption Working Temperature ≤-25°C~+80°C Working Humidity ≤90%RH Electric Incandescent Lamp ≤W Receive Sensitivity ≥-105Dbm Load For Each Way: Electric Incandescent Lamp ≤w,Energy Saving Lamp ≤500w, Daylight Lamp ≤500w Remote Control Distance Range ≤80m Battery Can Removable And Changeable.When The Indicator Light Darken,Should Change The Battery 3 Way Control:Remote Control, Manuel Control, Head Control. Each Way Can Turn On/Off Independently, All The Ways Can Turn On/Off Completely Radio Frequency, Anti-Interference, No Barrier Radio Frequency, all-way control, not blocked by any Obstacles Applicable To All The Common Lamps & Fans Fast, Easy Installation, Turn Off The Power Before Installing Remote Controller And Switch Can Be Used Simultaneously For Ease And Flexibility 3-Way Digital Telecontrol Switch, Wireless Remote Control Switch, Remote Controller Remote Controller Powered by 1 x 23A / 12V Battery (included) Color: White Plastic housing material Weight:  240g IN-DOOR USE ONLY! Please Do Not Use Inductive Loads Like AC, Motor, Etc Connection Is  Mentioned  On The  Unit  Itself  (Person Who Don't Have Knowledge Of Electricity Please Don't Buy This, Only  Buy If You Can Arrange An Electrician To Fit The Same) Note: You Should a  Power Backup (Inverter) at Your Home Because if Power Fail/Cut and  Return/Come Back Again Then This Unit Automatically Any One or All  Switches are Become Switch ON. PLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE Our Product Come With 1 Month Against any Manufacturer Warranty. Applications: Suitable For Home, Office, Factory, Restaurants, Hotels, Meeting Rooms, Museum, Hospital, Shop Windows, and Art Gallery etc Package Include: 1 x Receiver 1 x Transmitter (Remote) 1 x Battery (12V 23A) 

4 Way Remote  Control Switch Switch ON/OFF 4 Lamps/Fan or Any Other Loads  - 220 V, Watt /5 Amp Load Product  Description:  Voltage:220v-250V/HZ Standby Power Consumption Incandescent Lamp ≤W Receive Sensitivity ≥-105Dbm  Load For Each Way:Electric Incandescent Lamp ≤w,Energy Saving Lamp ≤500w, Daylight Lamp ≤500w Remote Control Distance Range ≤80m  4 Way Control:Remote Control, Manuel Control, Head Control. Each Way Can Turn On/Off Independently,   Operates on Radio Frequency,  not blocked by any Obstacles  IN-DOOR USE ONLY! Please Do Not Use Inductive Loads Like AC, Motor, Etc Connection Is  Mentioned  On The  Unit  Itself Only  Buy If You Can Arrange An Electrician To Fit The Same  Note: You Should a  Power Backup (Inverter) at Your Home Because if Power Fail/Cut and  Return/Come Back Again Then This Unit Automatically Any One or All  Switches are Become Switch ON. PLEASE NOTE THAT DESIGN AND COLOR MAY CHANGE FROM THE PICTURE SHOWN ABOVE