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PIC based Caller ID
Caller Line Identification displays on a (2x16) LCD the phone number of the person who is ringing you, before you even answer, this number stays on the LCD till it will be replaced by a new received phone number or if the button is pressed.
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Build your own LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and "Zero Out" function to make sure the readings are as accurate as possible ... [more] |
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