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Módulo de potenciómetro digital X9C104 para Arduino
Hecho de material de alta calidad, práctico y duradero.
Potenciómetro central grifo entre 0-10k diapositiva en total 100
Puerto de reóstato deslizante del potenciómetro digital VL y VH correspondiente a la gama baja y de gama alta
Especificaciones:
Voltaje de funcionamiento: 5 V.
Resistencia total: 100 K ohm.
Voltaje del puerto: -5 V-5 V.
Grifos: 100.
Modo de aumento de resistencia: lineal
Corriente de funcionamiento: 3 mA.
El paquete incluye:
2 módulos de potenciómetro digital X9C104.
John Winquist
Comentado en los Estados Unidos el 21 de agosto de 2024
These digital potentiometers do not have 100 steps with 1k ohms between. The two I received have around 30 steps and average around 3k ohms between. They are very inconsistent. The seller did not respond to my inquiry.
GilC
Comentado en los Estados Unidos el 27 de mayo de 2024
As others have stated, when stepping through the counts, it hits max/low readings at about 30 steps instead of the 100 described!Would not recommend this mfr!
Andrew K.
Comentado en los Estados Unidos el 10 de febrero de 2023
This should have 100 step resolution to control 0 - 1025 counts in arduino.Actual data shows this max out at 30 step, and keep high between 30 - 99 steps. No rough resolution to use for control.
AperturePriority
Comentado en los Estados Unidos el 25 de junio de 2021
When I began setting up the X9C104 Digital Potentiometer, I was surprised to find the spacing between the two rows of connection pads was about 0.455 inches, not an exact multiple of 0.1 inches (2.54 mm) as used by a standard breadboard. I’m not sure why they didn’t just expand the separation to 0.5 inches. To align the X9C104 with the holes in the breadboard I had to modify the header pins slightly.The X9C104 Digital Potentiometer was fairly easy to setup and program. There is adequate information on the internet to get you going. I found the examples provided by Ralph Bacon on GitHub to be very useful.The X9C104 provides 100 steps (0 to 99) of attenuation. Using the 100kΩ version, step 0 measured 26.9Ω and step 99 measured 107kΩ. The steps in between were fairly linear. Reference the resistance plot image.AC signals above 1 kHz measured at the output of the X9C104 rolled off rapidly, rendering this device unusable for the function generator I was building. This was due to C2, C3, and C4 being in parallel with RH and ground, RL and ground and RW and ground, respectively. Removing these three capacitors corrected this problem.After working around the limitations of the X9C104, I found that this device could be used for an audio signal generator project. However, I will try to find a more suitable digital potentiometer before making a final selection.
radio100
Comentado en los Estados Unidos el 30 de marzo de 2021
be aware one end needs to be grounded it can not be a floating digitally controlled pot...
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