Author Topic: Need help with TTL only termometer and voltmeter and 7 segments display  (Read 721 times)

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Offline little_carlos

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Hi, i need to make a voltmeter and a termometer using TTL only chips, and display the info on 7 segment displays, can you tell me which IC's should I use?
 


Offline danadak

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What are the voltmeter and thermometer chips  you are going to use ?

Regards, Dana.
Love Cypress PSOC, ATTiny, Bit Slice, OpAmps, Oscilloscopes, and Analog Gurus like Pease, Miller, Widlar, Dobkin, obsessed with being an engineer
 

Offline little_carlos

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What are the voltmeter and thermometer chips  you are going to use ?

Regards, Dana.
hi, the voltmeter is just a crappy adc reading from 0 to 5V and display the result on a 7 segment display
the thermometer is a lm35, since accuracy is not required
 


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