The PCF8574 is a silicon CMOS circuit provides general purpose remote I/O expansion (an 8-bit quasi-bidirectional) for most microcontroller families via the two-line bidirectional bus (I2C-bus). Note ...

Actually, PCF8574 and PCF8574A are identical, except for the different fixed portion of the slave address. The three hardware address pins allow eight of each device to be on the same I 2 C-bus, so ...

Posted in Raspberry Pi Tagged character lcd, hd44780, lcd, pcf8574, RPi ← Building A Pick And Place With 3D Printed Parts Resurrecting A PS3 Controller That Won’t Charge → ...

Orient Display has just announced a new series of character LCD modules which are directly controlled by I2C and SPI interfaces. High reliability makes mono LCD technology ideal for industrial and ...

Instead of just salvaging the Nixie tubes, [soldeerridder] kept and re-used the original device, with the goal to embed an Intel Edison module and connect it via I2C.