def __init__(self, i2c, address=0x48): # Initialize the I2CDevice wrapper self.i2c_device = I2CDevice(i2c, address)
In the world of embedded electronics, I2C (Inter-Integrated Circuit) is the undisputed king of communication protocols for sensors, displays, and memory modules. It allows you to connect dozens of devices using just two wires (SDA and SCL). However, as your projects get complex, managing raw I2C transactions—handling byte arrays, bit-shifting, and error checking—can quickly become messy. adafruit_i2cdevice
The library often works in tandem with Adafruit_I2CRegister , allowing you to read or write specific memory locations on a chip with a single command. This is critical for complex devices like PWM drivers or high-resolution ADCs. Common Use Cases The library often works in tandem with Adafruit_I2CRegister
: It handles the complexities of the Arduino Wire library internally, offering streamlined methods like read() , write() , and write_then_read() . offering streamlined methods like read()
import board from adafruit_i2cdevice import I2CDevice
Suppose our sensor has a register at 0x01 (Configuration Register) and we want to write the value 0x80 to it.