Yes you are right!Can anyone be of help? I also need very practical old electronics / process books .Most of the books in my Country Ghana contain very obselete ideas and theoritically oriented.
My address is
Wisdom Kwame Samlafo
P 0. .BOXC0 2185
Ghana - West Africa
My address is
Wisdom Kwame Samlafo
P 0. .BOXC0 2185
Ghana - West Africa
Hero,
I think kwame wants the alarm to sound when he looses "mains" power, not battery power....or when the temperature exceeds the high and low limits of 36C or 39C. My guess is that the loss of mains power is all or nothing.
Ken