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Yes it flash with 1Hz. But I hawe just put together only the rs232 part, temperature part, and potentiometer. I didn't conect the curent part.
For the load I just conect some LED.
The first time that I power on the circuit, the green LED was continuous on, and if I rotate the potentiometer the LED for the load was slowly lit. But when I disconect the power and put power back, from then no longer works.
Just flashing greed LED.
Sorry for my English, its not prfect, but I'm trying.
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