Reviews Retractable Module

Bestom 2 Pack Heavy Duty Metal Badge Clips Retractable Badge Holders Id Badge Clips for Women with Keychain Ring, Key Card Holder Retractable Badge Reel ,Id Clip Key Badge Retractable (2 Pack)

  • 【TOP QUALITY RETRACTABLE BADGE HOLDERS】: This retractable badge clip is made of high-quality metal material and id badge reel has abrasion resistance and impact resistance. With a coated steel cord, it is strong and can prevent scratches when people use it. The spring at the joint of id retractable badge holder can reduce the tension and effectively prevent the cord from breaking. All above advantages make it durable.
  • 【FUNCTION OF RETRACTABLE BADGE REEL】: Retractable badge holder can hold several keys, while the PVC Badge clip can hang ID badge holders. Id badge holders retractable with a belt clip, which can be hung not only on your chest, but also on a backpack, belt, or pocket.
  • 【EASY TO USE RETRACTABLE ID HOLDER】: Heavy duty retractable id badge clip has a strong and firm steel pull cord, not easy to break. Retractable clip’s maximum extension length is 25.2 inches/64 cm, which you can easily use to access card or keys over a long distance. The key badge retractable built-in drawstring can be freely contracted and badge clips retractable can be safely rebounded without removing the product.
  • 【PERFECT DESIGN KEY CARD HOLDER RETRACTABLE】: Badge holder retractable with all metal shell design and is durable. Id badge retractable clip’s....
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HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino

  • The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module.
  • HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED..
  • Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234.
  • Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode..
  • 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board.
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Bose Bass Module Connection Cable

  • Bose Bass Module Connection Cable for use with the Bose TV Speaker.
  • A 15′ (4. 6 m) cable with 3. 5 mm connectors for a wired connection from a Bose Bass Module to the Bose TV Speaker..
  • Expand your system with an optional bass module for a more heart-pounding, cinema-quality experience..
  • The Bose TV Speaker requires a wired connection and is compatible with the Bose Bass Module 500 or 700.
  • This an optional cable wire for expanding your Bose TV Speaker to connect to a Bose Bass Module.
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HiLetgo 2pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino

  • The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module.
  • HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED..
  • Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234.
  • Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode..
  • 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board.
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2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects

  • HC-SR04 Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal..
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back..
  • If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2..
  • Resolution:0.3 cm,Module precision:blind spots (2cm)-SUPER CLOSE..
  • The module performance is stable,measure distance accurately.SRF05,SRF02 ultrasonic ranging module comparable.This module is compatible with GH-311 anti-theft module..
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1 Din Touchscreen Car Stereo with GPS Navigation, 7 Inch Single Din Flip Out Car Radio Bluetooth with Backup Camera

  • 【Built-in North America Offline Map】This car in-dash navigation gps units equipped with 8G map card and GPS module. Real people voice navigation, built-in voice informer, which informs about sharp curves, speed changes, school zones.
  • 【Single Din Car Stereo with 12 led Backup Camera】The single din touchscreen head unit will display the reversing visual automatically when reversing. The backup camera has a 170° wide-angle lens, night vision, high-definition, and IP68 waterproof features.
  • 【Bluetooth & FM Radio】This single din car stereo with bluetooth 4.0, support handsfree calls, phonebook download, bluetooth music play. High-quality digital stereo FM radio with 18 presets, 87.5M-108M FM frequency, automatic channel search.
  • 【Multifunction 1 din Autoradio】The 7-inch retractable HD screen needs to be pulled out manually, Support TF Card/U-disk, AUX audio input interface can add MP3, cell phones, music players and other audio input.
  • 【Installation and Service】This is a single din in-dash car radio, the installation size is 188mm*58mm*173mm (length * height * depth).24 hours email reply, you can contact us at any time for any questions.
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MEGA 2560 Starter Kit Ultra (100% Arduino IDE Compatible) w/ Battery Holder, Sensors, Modules, Resistor kit and Components (no Supply)

  • -Arduino MEGA R3 (generic high quality) + USB cable -6xAA Battery holder (9VDC) -WiFi ESP8266 module -Model Bluetooth Master / Slave HC-05 -Box with plastic cells (organizer of components) -Shield for prototypes + Mini-Breadboard -Large Breadboard (830 points ) -Dupont Cables 10 * Female-Female + 10 * Male-Female + 10 Male-Male -Cable Jumper for breadboard -6 Push Buttons with multicolored caps -Joystick Module type PS2.
  • -RC-522 RFID Module with white RFID Card and RFID Keychain -High-precision RTC Real-Time Clock Module DS3231 and EEPROM AT24C32 -PIR Presence Sensor HC-SR501 -Distance measurement module HCSR04 -Sound sensor detector module with programmable threshold -LM35 temperature sensor -Tilt detector module -Servo SG90 motor -Stepper motor (5V) -Motor driver module for stepper motor ULN2003.
  • 5V Active Buzzer -5V Passive Buzzer -LCD 1602 16 characters * 2 lines -LED Display Driver MAX7219 -LED Matrix Display of 8*8 -7 Segments Display 1 digit -7 Segments Display 4 digits -Simple Relay Module - Infrared Remote Control 38kHz - 38kHz Infrared decoder receiver (type 1838) - Infrared phototransistor (Flame sensor) - Infrared LED - Light sensor (Photoresistor).
  • -10 * LEDs 5mm Diffused RED -10 * LEDs 5mm Diffused GREEN -10 * LEDs 5mm Diffused YELLOW -5 *....
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5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module

  • HC-05 Bluetooth Module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup..
  • Default baud rate:9600, Button: Press the button.
  • the module enter the AT mode. AT commands are executed only in AT mode..
  • HC-05 is able to operate in both master and slave mode. Its communication is via serial communication which makes an easy way to interface with controller or PC. It's ideal replacement to your wired serial connection..
  • HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your motherboard project, and then you can use your android phone to control some gadgets, such as: switch, LED..
  • Note: The module doesn’t suitable for IOS system..
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Logitech USB Unifying Receiver - 2 Pack

  • Applications: This device can be wildly used to wireless remote control,wireless audio,somatosensory devices, RFID, NFC, smart grid, smart home, etc..
  • NRF24L01 Wireless Transceiver Module with 125 Communications channels, multi-point communication and frequency hopping to meet the communication....
  • NRF24L01 wireless transceiver module built-in 2.4GHz antenna, small size, 15x29mm (including antenna).
  • it can be directly connected to a variety of....
  • The operating voltage of the wireless module is generally 3.3v, while the ordinary 51 microcontroller is 5v. This module is convenient to shop....
  • NRF24L01 Socket Breakout Adapter with NRF24L01 Wireless Transceiver Module.
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