Hi All,
I want to build a PI metal detector.
I have already made Hammerhead II PI version of the PIC 12F683 microcontroller.
My attention detectors / Радиолюбительские конструкции Фёдоров Андрей
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Andy Fedreova series Clone: Clone PI, ClonePI-2, ClonePI- W, ClonePI - AVR, Chance.
My choice is ClonePI - 2 / MOD.2 v1.41/. Reading the forums and opinions, and different versions of the detector have a question:
1. Power operational amplifiers /chips/ symmetrical +5 V,-5V, using LM 7660, LM7805,
LM 7905, as in the Hammerhead II and similarly Chance - or as it is in the "old versions" unbalanced power of weight?
2. What task TL431 in the Chance?
Please, your opinions and suggestions that will help me in achieving my goals.
I have to draw the whole circuit diagram and to the mounting plate /PCB/.
Sorry for my language.
Yours
gustaw0001@gmail.comLinkback: You are not allowed to view links.
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