This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...
This application note is about PCA9500 that provides drop-in replacement for PCF8574 with integrated 2-kbit EEPROM. It also covers PCA9501 which provides same functionality with six address pins ...
A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...
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