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lm044l
No one will work entirely for you. You'll have to understand the things suggested by others & you'll have to modify them according to your needs. What CMOS has given you i think is more than sufficient. Still I'm sending you the direct link for the same site he suggested...
karting tachometer circuit
Freddybaby I request you to please draw the circuit diagram. I'm also trying to make a tachometer for car but due to huge vehicle electrical noise i'm not able to get through.
What i understand is first you need to subtract your signal with 2.5volt that will make it to -2.5 to + 2.5 volt then simply amplify the signal with a gain=4 that will make it to -10 to +10 that's what you need. I think you'll need a LPF in between I'm not sure for that.
Hello everybody....first of all i'll like to tell you I'm not very good in basic electronics. I'm a mechanical guy, but i love doing electronics. I'm trying to make a digital speedometer for my car. I tried this circuit (diagram attached) for feeding the pulse from sensor installled in vehicle...
use adc for lp filter
I'm trying to measure temperature from thermocouple. I have amplified the signal(in three stages) and i gave this to ADC but the output value is showing severe jumps. I read somewhere to include LPF (low pass Filter) , should i use this filter just before amplifying the...
using zener diode for adc protection
thanks everyone for replying. I think i'll remove the zener permanently as FvM says the chip already have protection diodes and the resistor at input is 10K i think it's sufficiently low current.
adc zener protection
Hi, i'm trying to learn ADC. I'm feeding 0-5 Volt DC input but i'm getting maximum 0-3.36 volts at ADC input, but if I remove the Zener it becomes 0-5 Volts, why is it happening? I want to use Zener for protection.(i have tried changing the zener in case damaged; but no...
how to display adc on seven segment display
before using lm35 & adc interface, simply send a fixed value, lets say "52" to the display. for this make a lookup table for each digit 0-to-9 having it's corresponding seven segemnt code. The 2 displays will run in multplexed mode. after you get the...
schematic rms voltmeter
dear all
i want to design a simple true rms AC voltmeter without using special dedicated ics.is it possible to do so.
can anybody please help me out for the circuitry .
thanks
common cathode and common anode difference
I think waqas_here is more clearly worried regarding the maximum current possible from his microcontroller & not for the overall circuit's current consumption. He is worried if the controller blows up. Completely satisfied with FvM, read the current...
My first Message
Thanks all of you for accepting me as a new member of this honorable forum.
I'll start with my helping answers ( if possible :-) ) or my new queries from next message.
Big Regards to Electronics.
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