Hx710

I'm the type that wants to understand how a system works rather than blindly copy existing code or a library that I can't understand, hx710. So hx710 others may benefit here's some gereric code .

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Already on GitHub? Sign in to your account. This library easily works with the HX for basic functionality. However because on the HX the setup and config of the chip is not done in hardware but in software, the library would have to be updated. From what I understand all of the config is done by sending different amounts of clock pulses when reading.

Hx710

According to the datasheet it can be powered by a 3. The datasheet indicates this device can be run from a 3. The datasheet provides an example circuit demonstrating how this ADC can be used to measure weight from a scale sensor:. To get a better idea of how this sensor works it would be helpful to locate its product number. I had a hunch it was beneath the part so I desoldered it, and indeed I found part identification information. The pressure sensor is labeled as a PSGS but unfortunately I struggled to find a quality datasheet for it. I did find some now-deleted images from an AliExpress listing showing the differences between the base model and the R and S variants. This seems to be a fairly standard differential pressure sensor design using a pair of voltage dividers where the pressure is a function of the difference in voltage at the two mid-points a Wheatstone bridge. I used a multimeter to determine the resistor network inside this pressure sensor. Interestingly I found that pin 4 was not connected, which is opposite of many other designs I find online where pin 5 is not connected. It is critically important to get this right if your goal is to design a PCB around this component.

Hx710 set gain function worked as expected At the next wake up the Hx will be in its default mode of converting the external inputs 10 times a second. Both Control and Data are high during sleep, hx710.

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The HXB Air Pressure Sensor Module monitors the air's pressure in the range of 0 to 40 kilopascals kPa and turns it into an electrical impulse which microcontrollers or other electrical gadgets can interpret and read. It is a common and frequently utilized sensor in a wide range of applications that demand precise pressure sensing, including weather monitoring, industrial control systems, and medical equipment. The HXB device is a piezoresistive pressure sensor which determines pressure by detecting variations in electrical resistance produced by pressure-induced displacement of a sensing element. The module is made up of a pressure sensing element, a signal conditioning circuit, and an output amplifier. The sensor chip is a tiny, thin-film device having a diaphragm and piezoresistive components. The signal conditioning circuit boosts and purifies the electrical signal from the sensing element, and the output amplifier generates a voltage or current proportionate to the pressure detected by the sensor. The HXB sensor module offers several advantages that enable it to be a good option for a wide range of applications. These are some examples:. Broad pressure range: The module can detect pressure from 0 to 40kPa, making it appropriate for a broad range of low-pressure sensing applications.

Hx710

A load cell converts a force into an electrical signal that can be measured. The electrical signal changes proportionally to the force applied. There are different types of load cells: strain gauges, pneumatic, and hydraulic. Strain gauge load cells are composed of a metal bar with attached strain gauges under the white glue in the picture above. A strain gauge is an electrical sensor that measures force or strain on an object. The change of the resistance is proportional to the load applied, which allows us to calculate the weight of objects. Usually, load cells have four strain gauges hooked up in a Wheatstone bridge as shown below that allow us to get accurate resistance measurements. For a more detailed explanation of how strain gauges work, read this article.

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The HxB sends the difference between the ADC reference voltage and the digital power voltage instead of the temperature, this device is useful for battery equipment to signal when the voltage is getting low. Have you tried your code in the real world? You signed in with another tab or window. Have a question about this project? All reactions. Sign in to your account. Thanks a lot All reactions. Although some libraries are available which facilitate interacting with the HX, here I engage with it discretely to convey each step of the conversion and measurement process. It is critically important to get this right if your goal is to design a PCB around this component. TomGeorge May 26, , am 2. Update : I received an email from somebody offering additional information about this component:. You switched accounts on another tab or window.

I am using HXb pressure sensor with arduino. The range of pressure sensor is 0 - mbar. Like others I am using HX library with the setup.

I did find some now-deleted images from an AliExpress listing showing the differences between the base model and the R and S variants. Generic C function code example - Arduino code will use digitalRead for the data in and digitalWrite for clock control out. Thanks a lot. Data transfer is exactly the same. After all that's what they are there for. If 3 Control bits are sent - high, low, high, low, high, low and hold; the Hx will do conversion of the external inputs at a faster, and less accurate, rate. When data is ready to send the Hx switches the Data line to low. When valid Data is available then within 0. Sorry, something went wrong. But the translation from the original Chinese to English is If I understood correctly from the datasheet , with 26 pulses, you get the temperature of the chip. Have you developed it in stages? All reactions. Sign up for free to join this conversation on GitHub. Pressure Sensor Guide by T.