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Hello friends,
I am using my household device i.e. working on AC. It contains its own switch for on and off. Now i want to use touch pad only for switch on the device and switch off the device. what are easiest possible solutions?
thanks in advance...
Hello,
I want to connect 8 GSM modems with 1 microcontroller. but my microcontroller has only one UART. So i need multiple UART. which are the techniques? is there any direct IC available?
Hello friends,
I want to design a circuit for blind person i.e. indoor building navigation. I found that sometimes it is very difficult to find path in a building to a common location for blind person. GPS can't be used for this purpose. So what technology should i use? How it is possible...
Hello
i am using SC16IS740 i.e. I2c to UART converter. but i am getting some problem. So i want to use similar ic of SC16IS740. Is there any IC available that can replace SC16IS740 ??
Hello Friends,
Is it possible to store 1 mW power for required time and take 10 mW for some time?? whatever charging time i don't care but my output should be 10 times than input. I have only 1 source i.e. 1mW.
ok thanks..
any easy and cheap way to perform this obstacle detection for long range? i mean any direct transceiver IC is available or not?? I want to make things easy and cheap, so that any blind person can buy it. I don't want to make money from this project.
actually, i m developing a system for blind persons... I want to use IR because less costly than ultrasonic.
how can i make a system with acoustic pulses that can hear, with one or two loudspeakers and an oscilloscope? That can show reflections of object?
Hello,
I want to design such a circuit that can detect obstacle with range of min. 4 to 5 meter using IR. is it possible?? any suggested components??
thanks..
OK my friend...
I want to design a driver circuit for power led. i have a solar panel from which i am charging my battery. my battery is of 12V. Now, i want to get 6W power so around 6 power led can be adjusted with it. or 9W or 12W power.
Basically, idea is to design a power LED circuit that...
Hi,
I have 1 constant source that gives me 12mA DC and 1.5V dc. I want to generate 3V and 500mA. So can I store power in passive elements and use as i need. It is like, I have little water fall. I will first place water in one tank than 2nd and 3rd. Now when i want to use big fall i will...
ok. got it...
Now, my another question is I have a point source of 0.75V and 1.3mA. From this source, i want to generate 3.3V and 750mA. Is there any other option to get these much voltage except increasing no. of sources???
1 option is to use around 2461 sources and connect it to series or...
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