Categories

Best Wireless Serial Module

RedTagCanada SIM900 Quad Band GSM GPRS Quad-Band Modules 2G Shield Development Board for R3 Mega with Antenna for Arduino SCM & DIY Kits

  • ...S and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
  • Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..
  • Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced.
  • Power jack - connected to external 4.8~5VDC power supply, Antenna interface - connected to external antenna, Serial port select - select either software serial port or hardware serial port to be connected to GPRS Shield.
Check Stock

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..
Check Stock

AITRIP 5 PCS ESP8266 NodeMCU V3 CP2102 ESP-12F 4M Bytes Internet of Things WiFi Development Board Serial Wireless Module for Arduino IDE Micropython

  • There is the way to guide you to use the new version: The command you needed to use is: esptool.py --baud 115200 --port /dev/tty.SLAB_USBtoUART write_flash -fs 32m -ff 80m --flash_mode dio 0x00000 boot_v1.7.bin 0x1000 user1.bin 0x37c000 esp_init_data_default.bin 0x37e000 blank.bin The important part is “—flash mode dio”.
  • ESP8266 CP2102 NodeMCU LUA ESP-12F WIFI Serial Wireless Module.
  • Compatible with Arduino, works great with the latest Compatible with Arduino IDE/Mongoose IoT/Micropython.
  • SP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor..
  • 5pcs ESP8266 CP2102 NodeMCU LUA ESP-12F WIFI Serial Wireless Module.
Check Stock

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.
Check Stock

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.
Check Stock

AITRIP 5 PCS ESP8266 NodeMCU CP2102 ESP-12E Internet WiFi Development Board Open Source Serial Wireless Module Works Great Compatible with Arduino IDE/Micropython (5PCS)

  • There is the way to guide you to use the new version: The command you needed to use is: esptool.py --baud 115200 --port /dev/tty.SLAB_USBtoUART write_flash -fs 32m -ff 80m --flash_mode dio 0x00000 boot_v1.7.bin 0x1000 user1.bin 0x37c000 esp_init_data_default.bin 0x37e000 blank.bin The important part is “—flash mode dio”.
  • ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module.
  • Compatible with Arduino, works great with the latest Compatible with Arduino IDE/Mongoose IoT/Micropython.
  • SP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor..
  • 5pcs ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module.
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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..
Check Stock

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.
Check Stock

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..
Check Stock

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..
Check Stock