for Mike Walne.
this is prototype. i draw a sketch of my board.
i made this pcb for test code.
i understand the risks working on live mains.
i am not a programmer.
only a electronic/radio hobbyi ...
Here is my uncompleted work. When its complete I show it here.
I add a 3310 lcd to show voltage.
http://picturepush.com/public/12835620
http://picturepush.com/public/12835639
http://picturepush.co ...
I need a circuit to protect my house electrical equipment
from main power up and down.
I have a prototype board for check my circuit.
I use 230v ac > dc and a resistance divider network to down ...
i make a man voltage protecution circuit on a relay 170v to 240 voltage.
when voltage low 170 and up to 240 off the load. i need tune code for avoid chattering of relay.
hare is my code
hi
I build this datalogger:
http://www.vermontficks.org/datalogd.htm
I have some problem.
It read voltage and display on lcd ok, but cannot correct value display on
lcd when "view" and ...