pH probe calibration

By mvuilleu, in Measures and New stuff, february 09,2024.

Ten years ago, we published a post showing how to use the Yocto-milliVolt-Rx-BNC with a pH probe to digitally extract measures. Of course, the 2014 module still works today, but in the meantime we've released a few tools which make using it even easier. So here's an update to this post...

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Interfacing the LCD1602-RGB display, bonus

By martinm, in Programming, february 02,2024.

Having successfully operated WaveShare's LCD1602-RGB display with a Yocto-I2C, we wondered if we could use the Yocto-I2C's built-in job system to read values from an I2C sensor and display them directly on the display without the intervention of a USB host. In theory, it's feasible; in practice, it's rather complicated, but interesting.

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Installing VirtualHub on Home Assistant Operating System

By seb january 26,2024.

In a previous post, we explained how to integrate Yoctopuce modules into Home Assistant using the MQTT protocol. This week, we show you how to install our VirtualHub application on Home Assistant.

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Debugging serial communication scripts

By mvuilleu, in New stuff, january 19,2024.

An important advantage of Yoctopuce serial interfaces, compared with RS-232, RS-485 or TTL serial interfaces found elsewhere, is the ability to define stand-alone jobs in the module, for example to query a sensor. This week, we're releasing new firmware for these modules, which facilitates debugging of these scripts, by enabling their progress to be traced in parallel with message exchanges.

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Interfacing the WaveShare LCD1602-RGB screen

By martinm, in Programming, january 12,2024.

This week, we're testing a small LCD screen manufactured by Waveshare which has the specificity of having an I2C interface. We don't have too many doubts about the possibility of interfacing it with a Yocto-I2C, but we expect that it won't be trivial insofar as display controllers like being difficult, and generally demand a proper initialization before agreeing to operate.

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Yoctopuce, get your stuff connected.