2 Channel IIC I2C Level Converter Module Key Features:
- Versatile Conversion: Two-channel bidirectional conversion between high-voltage (5V) and low-voltage (3.3V) logic.
- One-Way Conversion Support: Facilitates 2 channels of high-voltage logic to low-voltage logic conversion.
- Breadboard Compatibility: Can be directly plugged into a breadboard for easy use.
- Serial Port Communication: Enables direct communication between 5V and 3.3V levels on the serial port.
- High Baud Rate: Supports stable communication at up to 28800bps.
- Broad Compatibility: Suitable for bidirectional conversion of UART, IIC, 1-wire, SPI, and other bus signals between 3V and 5V levels.
Compatibility Connections of 2 Channel IIC I2C:
- AVCC: Connects to 5V system power.
- ASCL/ASDA: Connects to 5V system SCL/SDA.
- AGND: Connects to 5V system GND.
- BVCC: Connects to 3V system power.
- BSCL/BSDA: Connects to 3V system SCL/SDA.
- BGND: Connects to 3V system GND.
Application Range:
- Ideal for serial communication between 5V and 3.3V microcontrollers.
- Useful for 3.3V serial downloaders communicating with 5V MCU serial ports.
- Facilitates communication between 5V MCUs and 3.3V application modules.
Common applications for I2C include:
- Reading Hardware Monitors: Ideal for interfacing with system hardware to monitor various parameters like temperature, voltage, and fan speeds.
- Sensor Communication: Facilitates data transfer between microcontrollers and a wide range of sensors, ensuring compatibility between different voltage levels.
- Real-Time Clock Interfaces: Essential for interfacing with real-time clock modules that require level shifting for accurate timekeeping and data logging.
- Actuator Control: Useful in robotic applications or systems where actuators need to be controlled by a microcontroller operating at a different voltage.
- DACs and ADCs Interaction: Enables communication with digital-to-analog converters (DACs) and analog-to-digital converters (ADCs) in audio applications, signal processing, and more.
- Serial Data Transfer to/from Sensors: Streamlines data transfer processes in complex systems involving multiple sensors, ensuring data integrity and system reliability.
- EEPROM Programming: Supports programming of EEPROMs in various electronics, allowing for efficient data storage and retrieval.
- Polling/Receiving Sensor Data: Enhances capabilities in systems that require regular polling of sensors or need to receive data from multiple sensors, maintaining stable operation across different voltage levels.
Wiring Instructions:
- HV: Connect to 5V power supply.
- LV: Connect to 3.3V power supply.
- GND: Common ground for both power supplies.
- RXI/RXO: Input 5V TTL, output 3.3V TTL.
- TXI/TXO: Two-way conversion between 3.3V TTL input/output and 5V TTL input/output.