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I have a digital multimeter MECO 81-USB. It's started to malfunction.
In DC voltage setup the display shows fluctuating voltage from 25mV to 150mV. I did check the same without connecting the probe and result was same.
I measured a 9V battery using this multimeter and it's started to show...
Hi,
I am using 2 ultrasonic sensors consider it at A and B. Which are placed in opposite directions.
I will initiate trigpinA and want to read pulse from echopinB (not echopinA). How do I do that?
I am getting 0 value. Sensor works for trigpinA and echopinA. Not working for trigpinA and...
Hi KlausST,
Thank you for the suggestion. I agree with you. There are some other factors I wants to discuss with you.
I did check the LM1117 output which gives constant voltage 3.3V to microcontroller. This 3.3v is only connected to microcontroller section not to any other ICs.
But whenever I...
Hi,
I am using a NXP family microcontroller LPC2148 from past 3 years for my product.
But in recent batch we got too many microcontroller rejections.
Reason for that is vcc and gnd pins of the microcontroller shorted after several days of testing.
I thought this might be because of 3.3V supply...
Hi there,
I am working on a project. Its a tracker device. I have used a gps and gsm module sim900. And now I Got the location and I can send location to another mobile. But I want to know, how can I send and store the location data to a server? I don't know what to do. Someone please explain...
Re: how to get a high voltage waveform in a cro ? what would be the waveforms in this
Hi E-design,
Thank you for your reply, What is the current waveform at point 3?
how to get a high voltage waveform in a cro ? what would be the waveforms in this
Hi there,
Circuit of an induction stove power section is attached here and I want to know the waveform at positions 1,2 &3.
How to see the waveforms at these points?
What would be the theoretical waveform at...
hi there,
i have a doubt here, am using a microcontroller and want to generate 4 different frequency signal from a single channel i mean single pin.. is it possible to do this....?
Is there any technology or alternates to do this...?
I used a vp290 programmer kit to programm 89v51rd2fa (44pin ic), and was unable to load program(64kb)in it.and i loaded lower memory program(30kb) it worked.
But i loaded the same program(64kb) to 89v51rd2bn using the same kit this was also worked and i dont understand what is the problem with...
hai guys,
I wants to amplify a variable voltage signal which varies around 2.5 to 5 V , 40mA and the amplified output must be 7.5 to 10v and output current must be 500mA.Need ur suggestions.
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