The larger PLC has 22 digital ins, 6 analog ins, and 16 digital outputs. The smaller of the two devices has 10 digital inputs, 4 analog inputs, and 8 digital outputs able to sink 200 mA each. He built two versions, one large and one small that can handle just about any task thrown at them.īoth devices are powered by an ATMEL SAM7S ARM chip running at 48 MHz. PLCs are usually pretty expensive pieces of hardware, which led to come up with his own. No, for reliable operation you’ll need a PLC – a programmable logic controller – to automate all your hardware. In industrial applications, controlling relays, servos, solenoids, and the like isn’t just a matter of wiring in an Arduino and plugging in some code.
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