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Moore Finite state machines in programming
1. I had been viewing this on youtube/edx course https://www.youtube.com/watch?v=... Explains use of Moore  FSM in embedded. Who else use Moore FSM or any other FSM like...
Tuesday, 1 March 2016 - 16:53
Problem in driving two segment together
1. I have attached two pic 1 & 2. Driving together two segment as in circuit attached. Since segment pins are drived from same data pins, so I have done multiplex them using...
Sunday, 28 February 2016 - 17:05
Noise in system when laptop is connected to external supply
I have a system in which pin is toggled. Pin toggle is viewed on CRO with 10x setting & peak detect. There are two cases: Case1: MCU board is powered by laptop usb power. CRO...
Tuesday, 23 February 2016 - 04:59
What happens in ISR when triggers very frequently
1. I have made a SYSTICK interrupt using Cortex M4 MCU. CPU speed is at 80Mhz. In systick interrupt a led is toggled. Code is build with full speed optimization. CRO probe is at...
Monday, 22 February 2016 - 12:45
Mosfet gets heated up at 5A or above.
1. I have designed a circuit using TI's bq24650. Schemtaic & gerbers are attached. (Part of both are removed, only I have shown is high current path & mosfet). 2. I have...
Friday, 19 February 2016 - 14:12
Switch with three positions
1. I have to search for switch which has three positions: off, medium, high. Voltage is 220Vac & current is around 400mA. Off means no connection to load, medium means...
Wednesday, 17 February 2016 - 17:44
Quarter- Wave rectifier?
1. I have a circuit which has 220Vac/50Hz input which heats up a wire. On full mode, entire 220V is connected to wire, so wire gets heated up quickly. Next mode is half mode, in...
Friday, 12 February 2016 - 05:52
Comparator for supply range 16.8V
1. I have a battery powered application which is powered application from 4S li-ion cell. (12V - 16.8V). I need a comparator for this. Comprator output will drive a mosfet...
Tuesday, 19 January 2016 - 07:17
Measure 16 different 4-20mA
1. task is to measure 16 different 4-20mA transmitter outputs without shorting each other ground reference.  Receiver side controller is microcontroller is powered by 3.3V. 2...
Monday, 11 January 2016 - 16:05
Filter Noise in 500ns pulse, encoder
1. I have a encoder, which has A,B & Z output. It is 12V powered. Datasheet says encoder can go upto 300Khz at full speed. To work with microcontroller(3.3V) but encoder is...
Saturday, 9 January 2016 - 12:24
DSP MCU vs MCU with cortex M4 & labview with FPGA
1.Now many MCU have cortex-M4 core with floating point support. If one have to learn DSP MCU, should one has to separately select some DSP MCU or nowadaya it does not make much...
Thursday, 10 December 2015 - 16:13
Free misra c tool checker
Are there any good misra c tool checker free for windows, standalone version   I have used CPPchecker , its static tool analyzer with defined rules which it checks, not...
Friday, 4 December 2015 - 18:15

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