HiLetgo HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino

  • Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane.
  • Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid..
  • Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g..
  • The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect..
  • Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices..
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Wireless HDMI Transmitter and Receiver,Wireless HDMI Extender Kit HD Extender Converter Adapter 4K Player Support 2.4GHz 5GHz for Streaming Video Audio from Laptop PC Smartphone to HDTV Projector

  • ❤【4K HDMI Wireless Transmission】HDMI Wireless Transmitter and Receiver Powerful Video Decoder Can Transmit up to 4K Full HD High Definition....
  • ❤【Transmission Speed and Distance】Wireless HDMI 4K Built-in 2.4GHz/5GHz Dual-Band WiFi Module with High Sensitivity Antenna,Transmission....
  • ❤【Plug and Play】Plug the Transmitter and Receiver into the Power Source and Device and You Can Start Transmitting Pictures or Videos Without....
  • ❤【HDMI+VGA Dual Screen Output】HDMI Wireless Receiver Provides Multiple Choices of HDMI, VGA, Audio Interface,Which can be Connected Freely and....
  • ❤【What You Get & Our Service】The Wireless Kits Includes: Transmitter*1, Receiver*1, HDMI Cable*1, Type C Cable*2, User Manual*1.Please Contact....
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KZ AZ09 Bluetooth 5.2 Module with Mic Wireless Waterproof Ear Hook Extra Long Battery Life Bluetooth Cable for ​KZ ZST/ZSTX/ZS10/AS06/AS10/BA10/ZSR/ES4 (B pin)

  • ... according to the needs of different scenarios. It also ensures the sound quality of the original headphones. ( *This product is only for bluetooth upgrade earhook, without earphones.).
  • [High-Fidelity Sound] - Adopting bluetooth 5.2 technology, Bluetooth Module offers you an unparalleled audio experience with faster transmission speed, stronger connection stability. At the same time, AAC advanced audio coding transmission technology to greatly improve the quality of hearing and bring natural and clear sound..
  • [Long Battery Life] - Each earbud can get 6 hours playback from a single charge. 800mAh charging case supports 7 times of recharging for both earbuds, gives up to 42 hours continuous music time. Keep your music going all day even when you go out..
  • [Double Host & High-Performance Game Mode] - Eliminate the conventional single host, dual-channel transmission, lower delay. Earhooks can be used individually. The earhook features a high performance mode that gives you faster audio transmission speeds when you play games..
  • [Lightness & One Key Operation] - the bluetooth hook weighs only 4.5g, which is light and has no pressure. Give you a small and light comfortable wearing experience. Each bluetooth earhook has one multi-functional press button which can....
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2Pcs NRF24L01+PA+LNA RF Wireless Transceiver Module with SMA Antenna 2.4G 1100m & Wireless Module with Breakout Adapter On-Board 3.3V Regulator

  • NRF24L01+PA+LNA Wireless Transceiver Module is a 2.4GHz ISM band transceiver, compatible with Raspberry Pi. Auto-acknowledge and auto-retransmit abilities.
  • Support up to six channels of data reception.
  • the transceiver come with power amplifier and SMA antenna, which make the effective communication distance has been greatly expanded..
  • A host microcontroller can communicate and configure the nRF24L01+ over a 4-pin Serial Peripheral Interface (SPI). The configuration registers are accessible through the SPI connection. Configurable parameters include frequency channel (125 selectable channels), output power, and data rate (data rates: 250kbps, 1Mbps, and 2Mbps)..
  • RF24L01+ Breakout Adapter: Small power on SMD LED indicator, On-board 3.3V voltage regulator, which accepts +5V power supply input and provides 3.3V for the attached "nRF24L01+" module..
  • Applications:It can be wildly used in wireless remote control such as RC planes/vehicles, wireless audio, wireless voice transmission such as VoIP, wireless networks, smart home,somatosensory devices, RFID, NFC etc..
  • Package Included:2 x NRF24L01+PA+LNA Wireless Transceiver Module+2 x SMA Antenna+2 x NRF24L01+ Breakout Adapter.
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Dorhea 3PCS BLE 4.0 Bluetooth Module AT-09 for Ardu-ino CC2540 CC2541 BLE Serial Wireless Module Compatible with HM-10

  • The master-slave module has three functions of transparent transmission, remote control and PIO acquisition. It can be switched and set through the AT command set. It is easy to use the same as the Bluetooth serial port module you have used before, without changing the PCB and the lower computer program..
  • Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible..
  • Support UART/I2C interface, and support SPP Bluetooth serial port protocol, has the advantages of low cost, small size, low power consumption, high sensitivity of sending and receiving, etc., only need to be equipped with a few peripheral components to achieve its powerful functions..
  • This module is mainly used in the field of short-distance data wireless transmission. It can be easily connected to the Bluetooth device of the PC, or the data between the two modules can be intercommunicated..
  • When the Bluetooth connection is not established, the baud rate, name, and pairing password can be set by the AT command. After the setting, the parameter is saved after power-off, and the Bluetooth connection automatically switches to the transparent transmission mode..
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Wireless HDMI Transmitter and Receiver Wireless HDMI Extender Adapter 4K Player Screen Mirroring Streaming Video Audio from Laptop PC Tablet Smartphone to HDTV Projector

  • 【4K HDMI Wireless Transmission】-This HDMI Transmitter and Receiver Kit can mirror and stream the 4K 3D movies, TV shows, games, videos,....
  • 【Transmission Speed and Distance】-Built-in 2.4GHz/5GHz dual-band WiFi module with high sensitivity antenna, quickly disconnect or reconnect to....
  • 【Dual Antenna & Interface Design】-Equipped with dual antenna, 5GHZ high-speed transmission efficiency will be faster and more stable without....
  • 【Plug and Play & Portable Design】 -Easy to install, plug the transmitter and receiver into the power source and device, you can start....
  • 【What You Get & Our Service】-This HDMI wireless kit includes: Transmitter* 1, Receiver* 1, HDMI cable* 1, Type C cable* 2, User manual* 1. You....
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DORHEA 5PCS ESP32 Development Board Type-C USB WiFi + Bluetooth ESP-WROOM-32 2.4GHz Dual Core WiFi NodeMCU Processor ESP32-DevKitC-32

  • Dual core ESP-32 development board, 2.4GHz dual mode development board. There are two touch buttons, one is reset, the other is enable module to enter the halberd program mode..
  • The module is ESP-WROOM-32 module, the peripheral uses the USB serial port to expand the type c interface, which can be directly debugged by a USB connected computer, and the data transmission is fast and stable..
  • The module supports for NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of things occasions, such as home automation, wireless industrial control, wireless positioning system signal.
  • ESP32 development board support lua program, easy to develop, support LWIP protocol, Freertos, three modes : AP, STA and AP + STA..
  • ESP32 is a safe, reliable, and scalable to a variety of applications,the user can cut off the power of the CPU and use the low-power coprocessor to continuously monitor the status of the peripherals or whether some of the analog values exceed the threshold..
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4PCS ESP32 ESP-32S WiFi Development Board NodeMCU ESP-WROOM-32 Microcontroller 2.4GHz Dual-Core WiFi Bluetooth Processor Integrated Chip CP2102

  • Dual core ESP-32 development board, 2.4GHz dual mode development board.There are two touch buttons, one is reset, the other is enable module to enter the halberd program mode..
  • The module is ESP-WROOM-32 module, the peripheral uses the USB serial port chip CP2102 to expand the micro USB interface, which can be directly debugged by a USB connected computer, and the data transmission is fast and stable..
  • ESP32 development board support lua program, easy to develop, support LWIP protocol, Freertos, three modes : AP, STA and AP + STA..
  • The module supports for NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of things occasions, such as home automation, wireless industrial control, wireless positioning system signal.
  • ESP32 is a safe, reliable, and scalable to a variety of applications,the user can cut off the power of the CPU and use the low-power coprocessor to continuously monitor the status of the peripherals or whether some of the analog values ​​exceed the threshold..
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3PCS ESP32 ESP-32S WiFi Development Board NodeMCU ESP-WROOM-32 Microcontroller 2.4GHz Dual-Core WiFi Bluetooth Processor Integrated Chip CP2102

  • Dual core ESP-32 development board, 2.4GHz dual mode development board.There are two touch buttons, one is reset, the other is enable module to enter the halberd program mode..
  • The module is ESP-WROOM-32 module, the peripheral uses the USB serial port chip CP2102 to expand the micro USB interface, which can be directly debugged by a USB connected computer, and the data transmission is fast and stable..
  • ESP32 development board support lua program, easy to develop, support LWIP protocol, Freertos, three modes : AP, STA and AP + STA..
  • The module supports for NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of things occasions, such as home automation, wireless industrial control, wireless positioning system signal.
  • ESP32 is a safe, reliable, and scalable to a variety of applications,the user can cut off the power of the CPU and use the low-power coprocessor to continuously monitor the status of the peripherals or whether some of the analog values ​​exceed the threshold..
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DORHEA 6PCS ESP32 ESP-32S WiFi Development Board NodeMCU ESP-WROOM-32 Microcontroller 2.4GHz Dual-Core WiFi Bluetooth Processor Integrated Chip CP2102

  • Dual core ESP-32 development board, 2.4GHz dual mode development board.There are two touch buttons, one is reset, the other is enable module to enter the halberd program mode..
  • The module is ESP-WROOM-32 module, the peripheral uses the USB serial port chip CP2102 to expand the micro USB interface, which can be directly debugged by a USB connected computer, and the data transmission is fast and stable..
  • ESP32 development board support lua program, easy to develop, support LWIP protocol, Freertos, three modes : AP, STA and AP + STA..
  • The module supports for NodeMCU and other development environments, which expands the range of its resources available and greatly improves the ease of learning and development. Of course, it can also be widely used in Internet of things occasions, such as home automation, wireless industrial control, wireless positioning system signal.
  • ESP32 is a safe, reliable, and scalable to a variety of applications,the user can cut off the power of the CPU and use the low-power coprocessor to continuously monitor the status of the peripherals or whether some of the analog values ​​exceed the threshold..
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Wireless HDMI Transmitter and Receiver - HD 4K Wireless Display Dongle HDMI Adapter Extender Player for Streaming Video/Audio from Laptop PC Smartphone to HDTV/Projector.

  • ✔【STRONG FUNCTION】Wireless HDMI can  stream HD 4K 3D movies, TV shows, video, games, presentations wirelessly from your Laptop, PC, Mac,....
  • ✔【PLUG AND PLAY】Wireless HDMI transmitter and receiver are easy to install and plug and play.You just need connect the receiver and converter....
  • ✔【Dual Antenna Design 】This Wireless HDMI adapter is equipped with 2.4GHz/5GHz dual-band WiFi module and dual antenna, making transmission....
  • ✔【HIGH COMPATIBILITY】The receiver adopts HDMI+VGA dual transmission mode, which is compatible with new and old display devices. The device....
  • ✔【BUY WITH CONFIDENCE】Package includes 1x transmitter, 1x receiver, 2x HDMI cable, 1xType C cable and 1x manual. We guarantee that all....
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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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Bus Power

  • Super material: It is made of electronic accessories, nickel plating on surface(anti-oxidatioan), inner conductor: pure copper.it is long lasting and durable for you to use..
  • Package including: Include 5pcs of MCP2515 Development Board. This version of the MCP2515 Breakout solves some of the board's problems. 120 ohm terminal resistors. With Impedance matching, ensures the drive capability, long distance data transmission prevents signal emission.
  • High Power High Efficiency: Supports CAN V2.0B specification, the communication speed 1Mb/s. High reliability, strong vibration resistance, good electromechanical performance. 0 to 8-byte data field. With standard frame, expand the frame and remote frame..
  • Main specification: The MCP2515 module is 5V DC power supply, SPI interface protocol control. Working current is 5mA (1 microamp standby current. Except the power indicator).
  • A wide range of applications: It is suitable for home smart devices, industrial wireless control, wireless monitoring, wireless identification, wireless positioning system signals and other applications..
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