Why PCAL6524 is a Widely Capable IO Expander
PCAL6524 from NXP is a low voltage translating 24-bit FM+ I2Cbus/SMBus IO expander with Agile IO features, external interrupt and reset
How to Write and Read Registers within TCAL6416 IO Expander
TCAL6416 I2C IO Expander from Texas Instruments. This post uncovers the nuances of writing and reading I2C to a target such as this IO expander.
I2C Controlled Switches - How to use TCA9548A
I2C controlled switches are used in various applications for same I2C address conflicts, separating bus capacitance, and data flow control.