the 3 pins 23 / 24 / 25 on the FIS tacho.. are "on the fly" with 12V voltage .
Perhaps , with my 12V transformer (12V/300mA) , the inputs required more than 300mA that caused a power failure....
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Re: 16F877A system and tachometer (FIS version) on the table
the 3 pins 23 / 24 / 25 on the FIS tacho.. are "on the fly" with 12V voltage .
Perhaps , with my 12V transformer (12V/300mA) , the inputs required more than 300mA that caused a power failure....
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