Tagged Questions

5
votes
2answers
220 views

Decoding multiple quadrature rotary encoders

Scenario I have 4 ACZ16 quadrature rotary encoders connected to GPIO Port D on an ATMega168P. I am only trying to extract rotation direction from them. Position is irrelevant, and it is guaranteed ...
0
votes
1answer
80 views

Building an 8 to 4 Encoder from a 8 to 4 Multiplexer?

I have a a 8-to-4 Multiplexer ICs (MM74hC4052N) and I want to use it as a 8-to-4 encoder or 8-to-3 encoder. Is that possible? If it is, can drop me some hints on how to do that? At one glance, I ...
1
vote
2answers
221 views

Avoiding false optical rotary encoder readings

I have an optical shaft encoder that has rather big resolution - 2500 pulses per rotation. The problem is that false pulses get registered from environmental vibrations - if I shake it in my hand or ...
3
votes
2answers
575 views

Do two encoders connected to a microcontroller interfere with each other?

I connected two AMT 103 rotary encoders (mounted on two separate DC motors) to a dspic30f4011 and read the values using interrupts (instead of qei as the dspic only has one). However, the error in the ...
1
vote
2answers
318 views

wheel encoder to find direction of wheel

I am doing an 8th semester project but I need to use an IR transmitter and receiver to find the wheel direction of car. I would like 8051 assembly level code to find wheel direction. I am using two IR ...