Best Serial Module Board

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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ACEIRMC 3pcs IIC I2C TWI Serial LCD 2004 20x4 Display Screen Blue + IIC I2C Module Interface Adapter for Raspberry Pi Arduino (Blue)

  • The LCD has always been a device that acts as a window in human-computer interaction. For example, the prompt window on some instrument devices, the temperature and humidity prompt box, the device running status monitor, and the prompt screen of the counting device all have LCD figures.
  • LCD2004+I2C 2004 20x4 2004A Blue/Green screen HD44780 Character LCD /w IIC/I2C Serial Interface Adapter Module for arduino.
  • It is a high-performance serial bus with bus rules and high-speed or low-speed device synchronization required for multi-master systems. The I2C bus has only two bidirectional signal lines, a serial data line (SDA) and a serial clock line (SCL)..
  • Compatible with all devices with I2C interfaces, such as for Arduino, raspberry pi, beagle bone black, tinker board, stm32, esp32 and more..
  • please check which chip you have on i2c interface. (Before you upload the code to the control board, please download the LiquidCrystal_I2C library).
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HiLetgo Smallest SIM800L GPRS GSM Breakout Module Quad-Band 850/900/1800/1900MHz SIM Card Slot Onboard with Antenna 3.7~4.2V

  • Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission..
  • The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode..
  • It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands..
  • AT command interface with "auto baud" detection..
  • TTL serial port for serial port, you can link directly to the microcontroller.
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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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Taidacent SIM800L GPRS GSM Module Micro SIM Card Core Board GSM Quad Band TTL Serial Port ESP32 ESP8266 SIM800L

  • SIM800L GPRS GSM module micro SIM core board quad-band TTL serial port is ESP8266 ESP32.
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Stemedu ESP8266 Test Board Code Burner Flash Downloader ESP8266 ESP-01S Serial WiFi Wireless Transceiver Module for Fixture Board (Pack of 5pcs)

  • Video tutorial: https://youtu(dot)be/oLtgUKrG6wM, ESP8266 Flash Downloader with ESP-01S Serial Module https://youtu(dot)be/gmluzujXw78.
  • All IO ports have been drawn out and can be used as ZUI small system development board or small batch burning fixture. The board supports one-click firmware download function, and add burning.
  • Compatible with ESP-01S ESP-07 ESP-07S ESP-12E ESP-12F ESP-12S ▶ Micro USB interface, this module is very easy to program..
  • The board supports one-click firmware download function, and add burning.
  • If any question, how to email us? Please click "Stemedu" (you can find "Sold by Stemedu" under Buy Now button), in the new page, click "Ask a question" to email us.
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