25 Questions 33 Answers 0 Followers
Questions related from Muhammad Awais Khan
Hello Every one, I am trying to communicate my PSOC microcontroller chip 5LP (LP035) with Raspberry Pi. I have written Pi program in C and java(in order to check the speed of communication between...
11 July 2017 5,150 8 View
Hello Everyone, I want to scale down a 16 bit unsigned data into a range of 0 to 255 in C. Can any body guide me how i can achieve this? Looking forward for reply! Best Regards Awais
15 April 2016 7,307 4 View
Hello Every one, This might b a silly question but i am bit confused about it. I have the following scenario: I have adc outputs stored in variables a, b, c, d. I want to pass these inputs through...
11 April 2016 4,464 6 View
Hello Everyone, I want to implement elliptical low pass filter in C. But i am finding difficulty in it. Can any one please guide me how i can implement it? Looking forward for your reply. Best...
11 March 2016 7,871 1 View
Hello Every One, I have noise signal from amplifier at frequency 400 Hz. Now i want to make 1/f spectrum from it with corner frequency at 100 Hz. Can any body give me an idea or source how i can...
24 February 2016 1,748 3 View
Hello Everybody, I am thinking of making a 2m line(wire) on a metal strip. I am having afraid of having too much parasitic capacitance w.r.t ground. I want to measure strain gauge signal which is...
21 September 2015 3,807 5 View
I am having a problem with common mode capacitance with respect to ground. I have long wires also connect through a bridge circuit. Does any body have any good idea to suppress this...
17 September 2015 6,645 4 View
Hello Every One, I am making a readout circuit for sensor data measurement. I am using a quarter bridge with AC excitation. My line are approx 2m long which results some capacitance in the line...
07 August 2015 10,047 4 View
Hi, I am facing this problem. I am measuring an output voltage from Bridge but as i tries to level the bridge. It shifted down or up suddenly due to temperature drift. How i can overcome this any...
23 July 2015 6,264 6 View
Hello Everyone, I want to measure my sensor reading coming out of my bridge circuit. But it has an offset signal. I am exciting my bridge with 2Vpp, 4Khz. I tried with high pass filter (1st and...
06 July 2015 6,918 13 View
Hello Every one, I want to built up a 4th order low pass filter for my strain gauge signal as it is very noisy. My signal is around 100 micro volt. Right now i am using butter worth filter (using...
29 June 2015 4,751 8 View
Hi all, I want to run my pi 24/7 and need some sort of battery backup.When AC power is present the battery needs to be charged and the pi must be able to draw power at the same time.When AC power...
19 May 2015 1,745 2 View
Hello Every Body, I am building up an electronic system, that includes an electronic module along with an interfacing unit (Arduino or Pi). I am trying to protect my system from any abrupt power...
11 May 2015 8,512 3 View
Hello Every one, I am looking for an ADC which is 14 bit and have sampling frequency between 2 to 10 kHz. Do you know one? Looking forward for your reply!!! Best Regards Awais
21 April 2015 2,852 2 View
Hello everybody, Regarding housing. I have approx. 10 PCBs (same size with digital and analog connections) and one big pcb having battery and other interfacing stuff. Can anybody guide me if there...
20 April 2015 9,156 3 View
Hello every body. I am getting a problem or for some how missing a point during my experiment which is not clicking in my mind please help me out. I am setting sine wave on function generator but...
10 April 2015 9,147 4 View
Hello EveryBody! I am designing a measuring system for strain gauges data measurement. For that i need a mux(16 x 1). But i am confused on which basis should i select it. Can any one help...
21 August 2014 2,961 7 View
I am new on KiCad. I want to import libraries of AD8221, AD630AR, OP1177 in KiCad how can i do it?
26 May 2014 4,827 1 View
I am supposed to excite the bridge circuit with 1 kHz of frequency in order to get data from it. The variable part of it would be strain gauge. Can you suggest me which oscillator circuit I should...
22 May 2014 316 5 View
I am new to PSpice software. I want to place an operational amplifier (AD8221, OP1177) and a modulator/demodulator(AD630AR) in pspice for my simulation. I am unable to find these items. If any...
09 May 2014 7,091 13 View
I am searching for a relationship between excitation frequency and bandwidth in order to get more precise result from bridge configuration. Can anybody help me? Looking forward to your reply!
05 May 2014 8,967 10 View
I need to extract data from strain gauges and for that I also need to select an oscillator circuit as I am using AC Bridges.
14 April 2014 2,869 1 View
I am confused about some things: 1. where should i do my switching, at the start or at the end of the bridge? 2. how much my ADC settling time should be in order to get exact data? 3, which...
03 April 2014 9,777 1 View
Hello everybody, I am very thankful to everyone who gave answers to my previously posted questions. I need your help one more time. Previously, I was working on DC excitation bridges but thermal...
17 March 2014 512 4 View
I want to know the different techniques that can be used for the measurement of resistive sensors. Looking forward for your answers!
03 February 2014 6,844 7 View
