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Calculate Delta T of two temperature sensors with lua

Mela last edited by Mela

Hi,

Is there an lua expert that can help me, with this?

In domoticz I have 2 temperature sensors, and a dummy Delta-T, I like to make a lua script that uses the two temperature sensors to calculate Delta-T and show me the calculated value in my Dashboard.

I have no lua experience, I always used Blockly to make things work, but blockly have no calculation possibilities.

Thank you.
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temperature 58

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I apologize for the questions and how simple they may be, as Im new to this community but very intrigued with the creativity and endless possibilities.
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Hi, possible to share pcb files? THX MiKa
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Hello, I'm thinking about upgrading this board to include pinout for LIS3DH breakout board, like this one : https://www.aliexpress.com/item/LIS3DH-Three-Converters-Motion-Accelerometer-Triaxial-Acceleration-Temperature-Sensor-Module-Development-Board-Replace-ADXL345/32840326778.html and ditch the ADXL shield as it's not a good solution, it has either the ADXL345 which uses too much power, or the ADXL362 which is ultra low power but lacks advanced functionality like tap/double tap detection. I would like to have feedback of users on this (do it sound useful ?), and also know if anyone uses the SMD footprints on the board, for leds and for reserve capacitors, as it could be a cleaner board without those footprints. I would make the following changes : put footprint for LIS3DH accelerometer along the "NModule connector" as it has too many pins to put elsewhere keep only one I2C footprint on the side, for "GY-49" MAX44009 light sensor breakout board: https://www.aliexpress.com/item/GY-49-MAX44009-Ambient-Light-Sensor-Module-for-Arduino-with-4P-Pin-Header-Module/32828654450.html temperature/humidity would be via the existing "SMD" footprint, it's not through hole but very easy to solder as it's 2.54mm pad spacing remove SMD footprints for LED, add footprint for through hole reserve capacitor, keep SMD footprints for reserve capacitors only if I have space for them shield would be a bit extended to go over the 2 M2 holes in the "power" part of the NModule, so it could be fitted with spacers and nylon screws and have stable/reliable mechanical connection between NModule and Shield. Basically this would be the footprint of the shield : So in the end it would make one shield to have Temperature/Humidity/Light/Acceleration or Temperature/Humidity/Light/Door.
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Hello Tilman, this is really a very nice design. I have ordered a pack of PCBs from elecrow, based on your gerber files, and have a few questions: in your BOM you have listed 5 smd-capacitors and 7 smd resistors, but on the PCB i have solderpads for 6 capacitors and 8 resistors. Can you just explain? is there a uniflächentaster-model for 2 ways? i think i have to flash the bootloader first, do you have a tutorial for this, and a sample-sketch for the board? Thank you very much
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@gohan said in Arduino Pro Mini Shield for RFM69(H)W: If I remeber right that pin is used as input so the RFM69 is not receiving any 5v signal. In addition there are people claming they have the RFM69 module working on 5v on data pins and 3.3v on vcc, but I hardly suggest to do it. thank you just what i thought . about direct 5v on data...well... i seen a big red sign saying n :DONT do it! lol Level converters are so cheap...that i ordered 5 or 10 thoguether with rfm69 board. sorry about hijack this topic, i though i was on general discussion
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@karenbobiv I doubt it's related to the MySensors communication. Are you using a Dallas temp sensor? Could you check that the is actually connected to the dallas sensor by using isConnected(). When googling your problem I found a few hits on -196.6 which is the error code (DEVICE_DISCONNECTED) converted to Fahrenheit. Start debug mode (Config.h) to see what the sensor actually sends.
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@tbowmo ha ha ha - at least you are still married
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@4994james great to hear you solved it, and thanks for reporting back!

Calculate Delta T of two temperature sensors with lua

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Calculate Delta T of two temperature sensors with lua

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Temperature Sensor Configuration
General Discussion • temperature sensor • • rdevine

RFSensor
OpenHardware.io • mysensors temperature humidity light contest2016 pressure cr2032 crypto cr2450 • • openhardware.io

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OpenHardware.io • mysensors temperature contest2017 light i2c nmodule door • • openhardware.io

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💬 Arduino Pro Mini Shield for RFM69(H)W
OpenHardware.io • arduino rfm69 temperature sensor humidity pcb atmega328 atmega328p si7021 rfm69hw wireless bme280 pressure interstitial • • openhardware.io

Vera Gateway Versions
Troubleshooting • • karenbobiv

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OpenHardware.io • temperature humidity sensebender samd • • openhardware.io

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Online

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Users

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