Using an Arduino ... Click module and the two digital signal microphones. These components work together to ensure that Twinky can accurately understand and execute your commands. The 4 Relay ...

As the name suggests the CANADUINO MEGA 2560 PLC 500 is based on an Arduino MEGA 2560 compatible computing module and comes in ... and 20 Outputs (8 x relay 250V/5A, 2 x open-collector 30V/1A ...

[Andy] stuffed some more RAM onto an Arduino Mega and his three-part walk through ... The build is centered around a 512K × 8 SRAM module [PDF warning]. Because the RAM is divided up into ...