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The voltage to be measured is converted into a digital equivalent by the ADC inside the IC and then this digital equivalent is decoded to the seven segment format and then datasueet.

If nevertheless you have to use extra flux, as it is the case when you have to tin copper wires, clean it very thoroughly after you finish your work.

I am confusing about the supply voltage for this project. By my logic, I shoud be in the oposit… I want to make an amperpeter, I need the smallest range V. DO NOT file or sandpaper a dirty or worn out tip.

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To find out the correct PCB dimensions you have to print it some times at different scales and try to fit the IC on datassheet print. I made a digital voltmeter with ICL but display is not stable please help me. Hi Seetharaman, Any Circuit on the above, but suitable for measuring Amp.

Can you help me dahasheet a schematic diagram of a digital meter that can measure ampere 0AA pls. Hi all, I made a PCB using a artwork sent by ejhgbb gmail. The difference with is that has a hold pin to enable LED display freeze function.


The ICL is a high performance, low power, 3. I assembled the circuit, but only third 7seven segment is glowing, rest are glowing with very low brightness and its unreadable. Do not have much experience.

This voltmeater is working precisely. This site uses Akismet to reduce spam.

Cs77107gp A similar project is available with PCB and the works, do check the same. For a fixed period of time the voltage to be measured is integrated to obtain a ramp at the output of the integrator. Audio oscillator dagasheet Simple function generator circuit Digital thermometer circuit Capacitance meter using LM Frequency to voltage converter using LM This IC incorporates in a 40 pin case all the circuitry necessary to convert an analogue signal to digital and can drive a series of four seven segment LED displays directly.

I beeternot build this,NO? All this sounds quite easy but it is in fact a series of very complex operations which are all made by the ADC IC with the help of a few external components which are used to configure the circuit for the job.

Will dataasheet board will work to measure the voltage out of it? To protect the board during storage from oxidation and assure it gets to you in perfect condition the copper is tinned during manufacturing and covered with a special varnish that protects it from getting oxidised and also makes soldering easier.


Feel free to send your PCB image to john circuitstoday. Can I measure AC voltage with this, pls help datasheft months ago. I need pcb layout of digital voltmeter using ic Parts list added above.

CSGP Datasheet, PDF – Datasheet Search Engine

Please double check your connections and part alignment. Sir is it necessary to use Datxsheet led display or I can use any common anode single digit display 2 years ago. Thearmocouple sensor connect to Admin i build this project together with your ct power supply but i have a little problem.

Hi I would like to measure the output voltage in mV range, and my input voltage will be given by the Piezoelectric diodes pressure sensor. DO NOT use soldering flux apart from that which datashet already included in your solder. Hi Patrick a nice one you can use it.

This is discussed here: Leave a Reply Cancel reply Your email address will not be published. In this page we will use this circuit to discuss for improvements and we will introduce some changes based on original schematic. Thanks for pointing the mistake. Convert current into mV by using a suitable conditioning resistance to measure D.