en:altimet
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+ | ====== Barometer and altimeter ALTIMET01A ====== | ||
+ | A digital barometric pressure sensor for precise measurements of altitude and temperature. | ||
+ | Sensor output is digital - either to SPI or I2C. It differs according to the type of fitted sensor. | ||
+ | |||
+ | {{: | ||
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+ | [[http:// | ||
+ | |||
+ | ===== Module construction ===== | ||
+ | |||
+ | The module is designed to be screwed to the base. The screws can be broken off, so the PCB can be glued directly to a flat surface, decreasing the weight and space requirements. You can see an example of this solution in [[en:uav]] construction. | ||
+ | |||
+ | ==== Possible sensors ==== | ||
+ | |||
+ | The module can be fitted with following sensor types: | ||
+ | |||
+ | * [[http:// | ||
+ | * MPL115A2 - I2C interface | ||
+ | * [[http:// | ||
+ | |||
+ | ==== Communication with sensors ==== | ||
+ | |||
+ | MLAB documentation contains examples of connections for microcontrolers [[en:arm]], [[en: | ||
+ | |||
+ | Furthermore, | ||
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+ | {{ : | ||
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+ | ===== Parameters ===== | ||
+ | |||
+ | When measuring the parameters of MPL3115A2 during the [[en: | ||
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+ | |||
+ | ==== Module testing ==== | ||
+ | |||
+ | The realisation of a testing system for MPL3115A2 sensor uses [[en: | ||
+ | |||
+ | {{: | ||
+ | |||
+ | |||
+ | Reading the pressure via I2C bus, a following python code was used: [[https:// | ||
+ | |||
+ | ==== Modul power supply ==== | ||
+ | |||
+ | <WRAP warning round> | ||
+ | I2C module version has to be supplied by a stabilised voltage smaller than 3.6 V, otherwise it can be destroyed. | ||
+ | |||
+ | </ | ||
+ | |||
+ | ===== Related sites ===== | ||
+ | |||
+ | * [[http:// |
en/altimet.txt · Last modified: 2018/12/30 13:24 (external edit)