For one of our experiments, we needed a laboratory power supply, that we could easily move around and that we could drive remotely through a wired network connection. At Yoctopuce, hardware-wise, we tend to bet on the best known manufacturers, but this time we decided to give the RD6006 a chance...
Customers regularly ask us if YoctoHubs support the Modbus TCP protocol. The answer is negative, because the CPU of the YoctoHubs is too small to add the code of the Modbus TCP server in it. The solution that we recommend is to write a small Modbus TCP server in Python with the pymodbus library and to use our library to communicate with the Yoctopuce modules. This is exactly what we did this week.
While we were making improvements to the Yocto-PWM-Rx for our previous post, we noticed that this device has considerably changed since its conception in order to cover more use cases than the once planned initially. To help you navigate into all these possibilities, we summarize in this post the different working modes.
A customer recently contacted Yoctopuce support to ask why his DIY tachometer didn't work with a Yocto-PWM-Rx. We looked into it and, to our surprise, we discovered that generating a clean PWM signal with a magnet and a reed switch was not as easy as one could think.
The Yocto-Watt is a small module which is very convenient to measure by USB the voltage, the current, and the instantaneous real power of an electric circuit. As it is also able to integrate the power to compute the total energy for a given lapse of time, some users also employ it to measure the energy that a system consumes, and we have recently improved this feature.
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