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I am searching for a can transciever ic which can support about 1000 nodes for an application.
but i could see only ic's with maximum 250 nodes support.
then y they say can supports more than 2000 nodes theorittically
is there any solutions available.
is there any other alternatives
we have...
i need to take signals from different slave mcu units to a central controller at about 200m apart. am presently using 2 wire rs 485 . can anyone suggest a low cost alternative soln. i checked for can but its not making any difference.
hai friends,
i request anyone to sugest a protocol for communicating between embedded modules.
Requirements:
1. 150 to 200m range.
2. 128 devices to be connected.
3. my microcontroller is MSP...
LOW COST MICROCONTROLLER
I am working in a project were we require to build almost 250 modules each with a microcontroller for testing the precense of certain obstacle in each ones slot.
i reuire peripherals like
1. 1 or 2 uart
2. timer
3. 5 to 7 i/o ports
to be present in the...
B cmos inverter
This is a ckt giving output 0v irrespective of input at v1.
whn v1 is high pmos on and nmos off. so o/p will be low.
since it is connected to gnd through r1.
whn v1 is low pmos on n nmos off still o/p is low since connected to gnd..
hope u r happy ....
loop detectors which we place on road can be used for counting vehicles.....
i cant understand whats the need of mounting something on car...
juct place the loop and interception of coupling region will be counted...
voltage at both terminals will be same by virtual gnd concept so voltage at node A can be considered as 0v.
now apply KCL at node A and B.
op amp draws no current.
By solving the eqns obtained from KCl u can find current voltages etc.
So for most of op amp probs KCl alone required.
now find...
As there is only one select line it can control two i/p's
since i/p's are A and A' any one can be available at output V according to sl i/p.
only thing new in this fig are instead of seperate i/p's they are just compliment.
its (non inv output) gives just the exor gate o/p with (non inv...
while doing mathematical calculations using freq spectrum we use double sided spectrum..
its for ease of calculation...
physical existence of negative freq is a matter of debate.
but whn we find cos 90 = cos (-90) = 1.
it say there is an finite value for negative frequency...;-)
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