ReviewsI2c Serial Module

AITRIP 5 pcs HD44780 1602 LCD Display Module DC 5V 16x2 Character LCM Green Blacklight for Arduino Also Compatible with Raspberry Pi STM32 DIY Maker Project(Without Adapter Chip)

  • Easy to use: less I/O ports are occupied, only 4, VCC, GND, SDA (serial data line), SCL (serial clock line).
  • Use the i2c protocol to reduce the occupation of I/O ports, making it easier to add to the project, and less wiring is more beautiful.
  • Suitable for: compatible with all current development boards, for Raspberry pi, Tinker board, Nanopi, Banana pi, stm32 and so on.
  • With a potentiometer applied to adjust backlight (color: blue) and contrast.
  • Commonly applied in: internet of things, DIY project, home animation, smart building, maker's DIY project.
  • Size: 80 x 35 x 11 mm, mini size is easy to carry and store.
  • Packing included: 5 pieces HD44780 1602 LCD display module Green (Without Adapter Chip).
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LCD Display Module,1.8 inch 4-Wire SPI TFT LCD Display Module Driver with PCB 128x160 chip ST7735 51/AVR/STM32/ARM 8/16 bit

  • ★This is 0.96" SSD1306 128X64 OLED LCD Display with I2C IIC SPI Serial module..
  • ★It is OLED display without backlight and it is low power dissipation.High contrast, thus supporting clear display..
  • ★Communication: IIC, only two I / O ports.
  • ★If there is any problem with the product, please do not hesitate to contact us, we will help you solve the problem..
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RJ45 GPIO Pinout Breakout Board for Raspberry Pi 1A+ 1B+ 2B 3B 3B+ 3A+ 4B Zero-W

  • 8 port(2x4) RJ45 8P8C sockets, with the module you can easily connect Raspberry Pi GPIOs and Power supply to peripheral devices through the RJ45 connector. The module support all 40pin Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B Zero, Zero-W..
  • Each RJ45 port is connected Power Supply and GND. Each RJ45 can independently choose from the Raspberry Pi 5V / 3.3V, or from blue terminal block, to supply power to external devices. The 4 5 pin of all RJ45 ports are connected to the power supply(VCC, V+), and 7 8 pin connected to GND(0V)..
  • RJ45 GPIO connects: Port 1: UART(RXD TXD) GPIO17 GPIO4. Port 2: SPI(SCLK CE0 MISO MOSI). Port 3: GPIO6 GPIO12 GPIO5 CE1. Port 4: GPIO21 GPIO26 GPIO20 GPIO19. Port 5: I2C(SDA, SCL) GPIO18 GPIO27. Port 6: I2C(SDA, SCL) GPIO23 GPIO22. Port 7: I2C(SDA, SCL) GPIO24 GPIO25. Port 8: I2C(SDA, SCL) GPIO13 GPIO16..
  • 2x20pin expansion pin header, pin height 10mm/0.39".
  • Packing list: 1x RJ45 breakout board, 4x brass standoffs, 8x M2.5x6 screws, 8x pin jumpers. (the item not include Raspberry Pi, RJ45 cable and plug).
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5 Pieces I2C Display Module 0.91 Inch I2C OLED Display Module I2C OLED Screen Driver DC 3.3V~5V White Display Color

  • What will you get: there are 5 pieces OLED display module with classic display color, self-illuminated and no need backlight.
  • Power-saving display: the I2C oled display performs better than the traditional LCD display and with lower consumption the IIC (I2C communications)....
  • More details: use compatible with Arduino, ESP8266, ESP32, STM32, etc..
  • Good compatibility: this i2c oled display module is compatible with Raspberry Pi 4B/3B+/3B/2B/Zero, compatible with Arduino, also compatible with....
  • Product manual: as shown in the instructions.
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ACEIRMC 2pcs ESP32-CAM WiFi Bluetooth Camera Module Development Board ESP32 with Camera Module OV2640 2MP for Arduino (4pcs)

  • The ESP32CAM is a tiny module based on ESP32 chip and OV2640. You can even program the ESP32CAM through the ESP-IDF by installing the ESP32 Core.
  • ESP32-CAM WiFi Bluetooth Module WiFi ESP32 CAM Development Board with Camera Module OV2640 2MP for Arduino, Support Image WiFi Upload and TF Card.
  • Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC.
  • Support OV2640 and OV7670 cameras, built-in flash.
  • Support image WiFi upload and Support TF card.
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE standard.
  • Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module.
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5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module

  • HC-05 Bluetooth Module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup..
  • Default baud rate:9600, Button: Press the button.
  • the module enter the AT mode. AT commands are executed only in AT mode..
  • HC-05 is able to operate in both master and slave mode. Its communication is via serial communication which makes an easy way to interface with controller or PC. It's ideal replacement to your wired serial connection..
  • HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your motherboard project, and then you can use your android phone to control some gadgets, such as: switch, LED..
  • Note: The module doesn’t suitable for IOS system..
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Andifany PCIE 2S Serial Port Card DB-9 Pin -232 Serial Industrial COM Port Expansion Card AX99100 for PC

  • Compatible devices: serial connected devices, serial network/monitoring equipment, data acquisition systems, POS terminals and industrial PCs, serial I/OUSB for add-on cards, I/O expansion for embedded systems.
  • 2S + SPI (PCIe to dual serial and SPI) and LB (PCIe to local bus/ISA)-Like) are suitable for different types of applications..
  • AX99100 is a single-chip solution that can fully integrate PCIe 2.0 Gen 1 endpoint controller and SerDes with various peripherals, such as two/four high-speed serial ports, one parallel port, I2C master, high-speed SPI, local Bus (ISA-Like)) and GPIO..
  • Composed of four main configurations, such as 2S (PCIe to Dual Serial), 2S + 1P (PCIe to dual serial and single parallel),.
  • Single-channel (X1) PCI Express endpoint with integrated PHY controller.
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KEYESTUDIO Starter Kit V2 for Arduino with RJ11 Connector, Great STEM Education Kit for Students, Teachers and Hardware Enthusiast

  • Whenever you and your family go for vacations, you may used to get worried about your plants because they need water on regular basis. We develop this Automatic Plant Watering System to solve this problem as plants need water according to the moisture level of soil..
  • The kit includes a plus controller, DHT22 temperature and humidity sensor, I2C LCD, push button modules, power amplifier module, DS3231 clock module, non-contact level liquid sensor, motor driver module, capacitive soil humidity sensor, and pump..
  • More than 13 well-selected electronic modules and 17 step by step creative tutorials. Full example code is provided and explained and even includes useful software tool..
  • Multi-purpose: timing watering mode, and the sensor detection mode that when the soil is dry, Arduino will command the water pump to run(up to 4 plants at once)..
  • Our system measures the soil moisture and waters automatically according to it. A audio power amplifier module tells us when the bucket is empty. I2C LCD displays the temperature and humidity..
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ACEIRMC 8pcs TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board for Arduino

  • The adapter is connected to an I2C device with multiple identical addresses on the same I2C port on the main control board for normal communication and use..
  • TCA9548 TCA9548A 1-to-8 I2C 8 -way multi-channel Expansion Board IIC Module Development Board.
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AOICRIE 5PCS PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5 PCS)

  • ✔I2C interface, I / O expansion module, two I / O scalability 8 I / O (up to 8 simultaneous use the PCF8574 expanded to 64 I / O).
  • ✔Typical application: I / O resource shortage MCU I / O expansion.
  • ✔Main resources: the PCF8574 I2C interface, 8-bit parallel.
  • ✔Package Included: 5 x PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module.
  • ✔We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution..
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Adafruit Feather 32u4 Bluefruit LE [ADA2829]

  • ATmega32u4 clocked at 8 MHz and at 3.3V logic - same chip setup as the Flora.
  • USB native support, built in USB bootloader and serial port debugging - no need for an FTDI-like chip.
  • It can also act like a mouse, keyboard, USB MIDI device, etc..
  • Hardware Serial, hardware I2C, hardware SPI support.
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