Questions tagged [information]
The information tag has no usage guidance.
8
questions
1
vote
1answer
103 views
Crystal Oscillator
What are the markings mean on this crystal that I found on a motherboard? Thanks.
0
votes
1answer
44 views
Need help with this Huffman coding question
If suppose there are messages m1,m2,m3,m4,m5 with probabilities 0.4, 0.21, 0.18, 0.14 and 0.07. We need to find Huffman encoded output for message sequence m3 m6 m5 m1 m1 m4 m2 m1 m2.
I have solved ...
0
votes
1answer
100 views
Metal detector circuit description
I found a circuit for this metal detector and would like to make PCB. I can not find anything about this circuit. Maybe someone would know what this circuit is. What are the best component housings to ...
0
votes
1answer
37 views
Reverse engineering random camera module from mobile devices
I have A camera module I believe either from a tablet or a cell phone and I want to know where to find information on the serial pin out or on how to read the ribbon of the camera
0
votes
0answers
94 views
What is the derivation for Shannon Hartley theorem?
I know by Hartley's theorem that information is proportional to bandwidth and time. The capacity corresponds to information and bandwidth is there. I don't get how the logarithmic part corresponds to ...
2
votes
0answers
23 views
How do I learn about RFID families [closed]
I recently got a parallax RFID reader. The documentation says that it only works with the EM4100 family of RFID tags. So I tried looking it up and can’t seem to find any sort of resource explaining ...
0
votes
2answers
91 views
Shift Registers for generating codes
can you explain me in simple words how does a linear feedback shift register work for generating a code?
Consider for instance this scheme:
If I have understood it correctly, each block is a D Flip ...
0
votes
2answers
101 views
Why is information not doubled in this context? [closed]
Regarding the following section from a text:
Why is information not doubled but increased 4/3 times? Can you give an example to clarify what is meant here?
What is meant by information here?
