The PCF8574_LH library provides a simple interface for controlling the PCF8574 I/O expander using the I2C communication protocol. It allows you to read and write values to the PCF8574's registers, ...

* And the 7-bit slave address is the most important data for users. * For example, if a TCA9555 chip's A0,A1,A2 are connected to GND, it's 7-bit slave address is ...

The MCP23017, a 16-bit I2C GPIO expander, has always been a tasty chip. With 16 GPIOs addressable over I2C, proper push/pull outputs, software-enabled pull-ups, eight addresses, maskable interrupts ...

Are you unable to use your touchpad, biometric, touchscreen, or any other interactive on your PC? If the I2C HID Device Driver is not working on Lenovo, Dell, Acer, ASUS, etc laptop, then follow this ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Adrienne Maxwell Adrienne Maxwell is an editor covering AV gear. Her specialty ...

If your wi-fi router isn't providing a strong and reliable signal into the far reaches of your home, consider investing in a wi-fi mesh system or wi-fi extender. A wi-fi mesh system is an advanced, ...

Wi-fi routers and extenders advice guides Our expert advice will help answer all your router and wi-fi extender buying questions. You can also see our reviews of the best routers and extenders you can ...