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 ...

The official Raspberry Pi Foundation has this week announced the release of new GPIO expander software which has been created to provide easy access to the GPIO pins of a Raspberry Pi Zero while ...

Promising to be a cost-effective solution for adding functions while reducing power, the CAT9534 eight-bit GPIO expander targets I2C and SMBus-based systems. The device is pin-for-pin and functionally ...

CAMPBELL, Calif., Nov. 7, 2024 /PRNewswire/ -- HMI, a leading provider of advanced analog and power management technologies, today announced the launch of its HL5310, an innovative ultra-low voltage ...

Like many Hackaday readers, [Steven Stallion] has had his eyes on the replica PDP-11 created by [Oscar Vermeulen] for some time now, and this summer he finally got the opportunity to build one himself ...

The BU1850MUV is a GPIO developed by ROHM Semiconductor. This is used for applications that need to expand their number of IO ports. This IC has a built-in power on reset, 3V tolerant input, and NMOS ...

Sunnyvale, Calif. —A general-purpose I/O (GPIO) expander has been released that interfaces sixteen 5-V-tolerant I/O ports with microprocessors and microcontrollers through a 400 kHz, 2-wire, SMBus/I 2 ...