Doc,
I agree but a transistor and relay can't handle that!
Raj
toggle quoted message
Show quoted text
At 24/01/2018, you wrote:
Or... use I2C expanders where you can have 8 or 16 lines at a time for each
address and use no digital outputs off the Raduino.
Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ