Posted in Microcontrollers Tagged i2c, mcp23008, microchip, port expander ← Arduino Hits The Battlefield — For Real DIY Bolt Together CNC Router → ...

That may change, but for now if might be worth bugging [Omer] to put his new and improved Ponte (with an 8-port I2C port expander!) up on SeeedStudio ...

Each I/O port is 5V input tolerant, with a high current I/O drive sink of up to 25mA and an I/O source of up to 10mA, maximum. Additionally, each I/O port is compatible with logic thresholds of 2.5V, ...