Top Bluetooth Serial Module

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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Aoicrie 16x2 2004 LCD Display Module with IIC/I2C/TWI Serial Interface Adapter, IIC I2C TWI 1602 Serial LCD Module Display, for Mega 2560

  • IIC I2C TWI 1602 Serial LCD Module Display for R3 Mega 2560 16x2..
  • Easy to use. Less I/O ports are occupied, only four - VCC, GND, SDA (serial data line), SCL (serial clock line)..
  • Support IIC protocol. The I2C LCD1602 library is provided, so you can call it directly..
  • With a potentiometer used to adjust backlight and contrast.Power supply: +5V, Address of the module: ox27..
  • Widely Applications: LCD display module based on the popular HD44780 controller, works great with for Mega2560 board and other micro-controllers..
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Carel Temperature Thermostat IR33F0AHA0 with Temperature Sensor Probe 115V / Technician Ready by Xiltek

  • With a USB interface, you can directly use the phone data cable on the computer point of view positioning effect.
  • GT-U7 main module GPS module using the original UBLOX 7th generation chip, Software is compatible with NEO-6M. GT-U7 module, with high sensitivity,....
  • USB directly connected to the computer, That is, with the host computer-owned serial port function, no need for external serial module, send IPX....
  • If you have any issue when using our product,or you need product use documentation, please contact us directly for assistance.we will reply your....
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5PCS 0.96 Inch OLED Display Module, PEMENOL 28 x 64 Pixel I2C IIC Serial 1 OLED LCD Display Module with SSD1306 Driver for Arduino Raspberry Pi and ESP8266（White Light）

  • This is a new 2.8 inch serial SPI color display module with touch function.
  • Designed with one socket for memory card.
  • With PCB plate (including power supply IC, Memory Card), compatible with 5110 interface.
  • 5V compatible, use with 3.3V or 5V logic.
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HiLetgo 1602 LCD Keypad Shield 1602 LCD Expansion Shield Board Blue Backlight 4.5-5.5V for Arduino Duemilanove Robot

  • ☆ Premium Quality: Made of premium material, this lcd module display is sturdy, not easy to aging and abrasion resistant, to ensure maximum strength and durability for long lasting usage.
  • ☆ TFT LCD Serial Port Module : The lcd display module is a new 2.8 inch serial SPI color display module. Designed with one socket for sd card and PCB adapter for LCD.
  • ☆ Come With PCB Plate: With PCB plate (including power supply IC, SD), pcb display module is compatible with 5110 interface. Resolution: 128x160.
  • ☆ Support Analog & Hardware SPI: This tft display module supports analog SPI and hardware SPI, less I/O port need. It can be driven by 8051 / AVR / PIC /ARM/STM32. It can be driven with at least four IO.
  • ☆ What You Will Get: If you need the document to download, please contact us. We stand behind all of our them with a 100% product guarantee and promise to give you the best in customer care.
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Treedix USB to TTL Converter CH340 Module 3.3V/5.5v Serial Converter Development Tool with Micro USB Adapter for Arduino

  • Serial Basic Breakout Board CH340G serial signal serial ic breakout development board usb micro b connector save space diy electronics projects micro b cable jumper wires.
  • Base on USB converter IC CH340G, there is a wide range of operating systems . You may need to install drivers the first time you connect the chip to your computer's USB port or when there are operating system updates..
  • The output voltage is 3.3v by default, there is a 3.3v signal, it can also be changed to 5V, changing to 5V will cause the board to output 5V and 5V signals on the VCC pin(3 .3v to 5V by a short circuit selection).
  • There are two LEDs on the board connected to TX (green) and RX (yellow) for faster viewing of serial traffic.
  • Suitable for: Arduino Pro Mini, our GPS module, cellular module and many other devices that use serial communication.
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GPS Module Receiver,Navigation Satellite Positioning NEO-6M Arduino GPS Drone Microcontroller GPS Receiver Compatible with 51 Microcontroller STM32 Arduino UNO R3 with Antenna High Sensitivity

  • With a USB interface, you can directly use the phone data cable on the computer point of view positioning effect.
  • GT-U7 main module GPS module using the original UBLOX 7th generation chip, Software is compatible with NEO-6M. GT-U7 module, with high sensitivity,....
  • USB directly connected to the computer, That is, with the host computer-owned serial port function, no need for external serial module, send IPX....
  • If you have any issue when using our product,or you need product use documentation, please contact us directly for assistance.we will reply your....
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HiLetgo HD44780 2004 LCD 20x4 2004A Character LCD Screen Display Module Blue Backlight with IIC/I2C Serial InterfaceAdapter

  • HD44780 2004 LCD 20x4 2004A Character LCD Display Module.
  • Fully assembled and tested Serial LCD 20x4 Module.
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1.8 inch SPI TFT LCD Display Module for ST7735 128x160 51/AVR/STM32/ARM 8/16 bit

  • This is a new 1.8 inch serial SPI color display module.
  • Support analog SPI and hardware SPI. SPI serial, less I/O port need.
  • Designed with one socket for sd card and PCB adapter for LCD.
  • The LCD display module can be driven by 8051 / AVR / PIC /ARM/STM32.
  • The 4D systems lcd display can be driven with at least four IO.
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2Pack GPS Module,Navigation Satellite Positioning NEO-6M,Arduino GPS, Drone Microcontroller, GPS Receiver Compatible with 51 Microcontroller STM32 Arduino UNO R3 with Antenna High Sensitivity

  • GT-U7 main module GPS module using the original UBLOX 7th generation chip, Software is compatible with NEO-6M. GT-U7 module, with high sensitivity, low power consumption, miniaturization, its extremely high tracking sensitivity greatly expanded its positioning of the coverage.
  • With a USB interface, you can directly use the phone data cable on the computer point of view positioning effect.
  • With IPEX antenna interface, the default distribution of active antenna, can be quickly positioned.
  • USB directly connected to the computer, That is, with the host computer-owned serial port function, no need for external serial module, send IPX interface active antenna.
  • If you have any issue when using our product,or you need product use documentation, please contact us directly for assistance.we will reply your problem in 24 hours.We try our best to provide the most professional service for each customer..
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Aideepen 5PCS DFPlayer Mini Mp3 Player Board Module Voice Decode Board Support TF Micro SD Card U Disk Audio Music

  • 【Upgrade】This is a MP3 Player Audio Voice Module, can be connected directly to the speaker.GD3200B chip replacement old YX5200 (Compatibility....
  • Supported Sampling Rates (kHz):8/11.025/12/16/22.05/24/32/44.1/48.
  • 24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB..
  • The DFPlayer perfectly integrates hard decoding module, which supports common audio formats such as MP3, WAV and WMA. Besides, it also supports TF....
  • This Module with battery power supply, speaker, keypad can be used alone, or through the serial port control, as the Arduino UNO or any....
  • A variety of control modes, I/O control mode, serial mode, AD button control mode.-->If you need any questions, please feel free to contact us..
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