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Reviewed in the United States on January 9, 2025
For those that need assistance here is what you need to know:1) they work best at 6v and up. This is only required to power the board and transmitting LEDs. If has nothing to do with the output. You can take apart and wire directly to the output of the 5v regulator and supply it 5V. But nothing lower.2) these are open collector NPN. This means the signal wire is connected to the collector of an NPN transistor. So you can use it with 3.3v, 5v, etc for control logic but you need to either tell your microcontroller to use a PULL UP resistor, or install your own pull up resistor that connects from the control voltage say 3.3V to the control/pulse wire. Then connect the grounds together and hook the control wire to the microcontroller input pin.I'm not certain the minimum voltage for the control transistor but I would guess anything over 1.5v would probably be fine.I use them on an esp32 and use the internal pull up on the input pins. The esp32 has a built-in counter up to 80Mhz that can be used for this purpose. These are smooth rotation, no exact stop points. So they work well for free spinning applications like motor control. They are not great for a knob because there are no detents. But if you wanted those there are other options. I put a pulley on it with GT2 belts to the wheels of my robot and they work perfect for that task.I hope this helps inform future customers.
Jeffro
Reviewed in the United States on December 31, 2024
I heavily modified an old Ten Tec Argosy ham radio transceiver and this was perfect for the job. Slick as snot on a doorknob! VERY easy to turn so probably not good for mobile appllcations but other than that, just the ticket.
Customer
Reviewed in the United States on December 1, 2024
ok.thanks.
Marlene
Reviewed in the United States on August 22, 2023
I purchased this encoder to determine the position of a magnetic loop antenna rotator that was for outdoor use. For that purpose it works exceedingly well paired with a Raspberry Pi and running off 5v (so far has been reliable but I plan to switch to 12v after reading some reviews). I made no attempts to waterproof the device or make an enclosure for it and the recent tropical storm really drenched this encoder heavily. During the rain it stopped reporting positions however a day later and its dried out and working again with no intervention from me! So its not specifically weatherproof but it does appear to have survived this time. I plan to weatherize the device with silicone sealant and dielectric grease in the hopes that it can work during the rain as well.
marco_mx
Reviewed in the United States on July 4, 2020
I used expensive encoders on previous jobs - Dynapar, BEI, Avtron. This little guy is inexpensive and does the job. Haven't used for rugged applications (mostly lab) but has the right amount of pulses per revolution I needed
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