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 chip's A0,A1,A2 are connected to GND, it's 7-bit slave address is 0111000b(0x38). * Then users can use ...

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 ...

Ready to beef up your Wi-Fi network? A wireless range extender is a less expensive alternative to a new router. (Some can even turn your router setup into a mesh system.) Here are the top performers ...

Right or wrong, few officials in sports are as notable as the NBA's Scott Foster. Foster, who wears No. 48, has been an NBA official since 1994 and has called over 20 games in the NBA Finals.

Ready to beef up your Wi-Fi network? A wireless range extender is a less expensive alternative to a new router. (Some can even turn your router setup into a mesh system.) Here are the top performers ...

If your Wi-Fi speeds can't keep up with your demanding video chat needs, an expensive new Wi-Fi mesh system or an internet service upgrade may help. If you're not interested in spending that much, ...

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, ...

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 ...

Had enough of slow internet? I’ve tested the best Wi-Fi extenders to create the fastest, most reliable network for your home A professional technology consultant and journalist with more than 20 years ...