Reviews Bluetooth Serial Module

2Pcs HC-06 RS232 4 Pin Wireless Bluetooth Serial Transceiver Module Bi-Directional Serial Support Slave and Master Mode

  • Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port....
  • Operating voltage: 3.3V(Note:SPP-CA Bluetooth module serial port level to 3.3V, if connect 5V level,the system needs to increase the level conversion....
  • Small size, low power consumption,high sensitivity for send and receive.
  • Allows your device to both send or receive the TTL data via Bluetooth....
  • Defaults: Salve, baud rate 9600, Bluetooth name HC-06, pairing password 1234, LED status light on.Core module uses HC-06, leads from the module....
  • Applications: The Bluetooth module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial....
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HiLetgo 2pcs 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....
  • 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....
  • Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART....
  • The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control,....
  • Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port....
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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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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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ACEIRMC ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MP + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire

  • ESP32-CAM WiFi + Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MPcompatible for Arduino, Support Image WiFi Upload and TF Card.
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE standard.
  • Camera WiFi + Bluetooth Module 4M PSRAM Dual-core 32-bit CPU Development Board with OV2640 2MP Camera Module + FT232RL FTDI USB to TTL Serial Converter + 20 pin Jumper Wire.
  • FTDI USB Serial Adapter comes with the FT232RL chip and uses both 3.3V and 5V operating voltage. Adapter Logic-level can be set via jumpers on the board, which makes simple to connect to your controller. USB power has over current protection, using 500MA self-restore fuse..
  • This module supports interfaces such as UART / SPI / I2C / PWM / ADC / DAC.
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ACEIRMC 4pcs AT-09 Bluetooth 4.0 Transceiver BLE Module Serial Port CC2541 HM-10 MLT-BT05

  • The AT-09 is a module that contains a BLE chip (CC2541)..
  • This small size Bluetooth 4.0 TTL transceiver module allows your target device communicate with for iPhone/iPAD, IOS 6 or Android 4.3 above devices..
  • This module allows to perform serial communication with the BLE chip thanks to an Rx and a Tx pin..
  • 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..
  • The module is also very similar to the HM-10 module and is also compatible with it so if you have some experience with the latter, you will get started quickly with the AT-09..
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HiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10

  • Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible..
  • It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification..
  • Input voltage: 3.3V/5V only needs a set of power supply..
  • This module supports UART interface and supports SPP Bluetooth serial port protocol..
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JacobsParts WT32-ETH01 ESP32 Module Ethernet WiFi Bluetooth Development Board 100Mbps RJ45

  • The issue with the top soldered pins has been resolved, they are now shipping with separate unsoldered pins WT32-ETH01 is an embedded serial to Ethernet module based on the ESP32 series WT32-S1 MCU. The module integrates an optimized TCP/IP protocol stack, which is convenient for users to easily complete the networking functions of embedded devices while reducing development time cost. In addition, the module is compatible with half-pad and through-hole connectors..
  • The board width is a universal width and therefore, it can be directly soldered to boards, connectors, or even breadboards, which is convenient for users to use in different scenarios..
  • ESP32 series IC is an integrated 2.4GHz Wi-Fi and Bluetooth dual-mode SOC, with ultra-high RF performance, stability, versatility and reliability, as well as ultra-low power consumption..
  • ESP32 Module: WT32-S1 240MHz dual core microprocessor 4MB SPI flash memory Oboard 10/100Mbps RJ45 Ethernet (LAN8720A PHY) 802.11n WIFI Bluetooth 4.2.
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SainSmart USB 4 Channel Relay Automation (5V)

  • NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
  • Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
  • Module with overcurrent protection and relay diode freewheel protection..
  • NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
  • NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.
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Bluetooth Serial Port Transceiver Baseboard, HC-05 Wireless Bluetooth Transceiver Module, Mini Low Power Consumption

  • Enhanced data rate (EDR) conforms to the 2Mbps and 3Mbps modulation modes of the V2.0.E.2 specification..
  • Support Bluetooth connection through AT command, set baud rate, password, save parameters after setting parameters..
  • Bluetooth UART RS232 serial converter module for easy transfer of UART data..
  • On board 3.3V regulator chip, ROHS compliant, compact size..
  • Full speed Bluetooth operation, support for full Piconet and Scatternet..
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HiLetgo 2pcs Gamepad Joystick Shield for Arduino Expansion Board Analog Keyboard and Mouse Function

  • The "Nokia 5110 LCD" interface has been added.
  • The bluetooth module interface has been added, Convenient Bluetooth wireless serial communication..
  • The "I2C" communication interface has been added Compatible with Arduino UNO.
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IC/ID Card Machine, Smart Keyboard FRID Access Control Reader(ID)

  • Fast card reading: convenient and fast time-saving card reading time is less than 1s, card reading distance is less than 0.5s, card reading time is less than 0.2s. Card reading distance: 0~80mm.
  • Sensitive reading: The internal radio frequency module and its in-line expansion controller are used to read the card sensitively..
  • Non-slip design: The back of the card reader is a non-slip design with four corners. It is not easy to slide down and can be fixed more stable..
  • Button material: See the use of high-quality crystal materials, special craftsmanship, wear-resistant, easy to clean, comfortable to touch, increase keyboard life..
  • Supporting:With PS/2 keyboard interface, USB interface for keyboard emulation, RS-232 serial output, RS-485 serial output. 2.4GHz/Bluetooth wireless transmission..
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AITRIP 5pcs ESP32-CAM-MB WiFi Bluetooth Development Board OV2640 Camera Module Micro USB Interface CH340G USB to Serial Port auto Download for Arduino

  • HK-ESP32-CAM-MB adopts Micro USB interface, convenient and reliable connection method, convenient to apply to various IoT hardware terminal occasions..
  • it is new WiFi+Bluetooth dual-mode development board based on ESP32 design, using PCB on-board antenna, with 2 high-performance 32-bit LX6CPU, using 7-level pipeline architecture, main frequency adjustment range 80MHz to 240Mhz.
  • Application: Home smart device image transmission.
  • Wireless positioning system signal and so on..
  • Low power consumption: deep sleep current is as low as 6mA.
  • It is a small 802.11b/g/n Wi-Fi + BT/BLE SoC module.
  • 5PCS ESP32-CAM WiFi Bluetooth Board ESP32-CAM-MB Micro USB to Serial Port CH340G with OV2640 2MP Camera Module.
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