INSA/gaz-sensor
1
0
Fork 0
mirror of https://github.com/MOSH-Insa-Toulouse/5ISS-2024-2025-MARIN--MULLER-BOUJON.git synced 2025-06-08 14:00:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions
Gaz Sensor Project INSA 5ISS
16 commits 2 branches 0 tags 2.4 MiB
C++ 73.5%
Python 18.7%
AGS Script 7.8%
Find a file
Lemonochrome 81e8b20742
Update README.md
2024-12-06 14:46:00 +01:00
.vscode Boilerplate 2024-12-02 15:16:03 +01:00
include Boilerplate 2024-12-02 15:16:03 +01:00
lib Fixed issue with analog. 2024-12-03 16:55:17 +01:00
src Fixed issue with analog. 2024-12-03 16:55:17 +01:00
test Boilerplate 2024-12-02 15:16:03 +01:00
.gitignore Boilerplate 2024-12-02 15:16:03 +01:00
platformio.ini Display RN2483A LoRa Module test results on SSD1306 Oled 2024-12-02 17:44:15 +01:00
README.md Update README.md 2024-12-06 14:46:00 +01:00

README.md

Response from "sys get ver" command : RN2483 1.0.5 Oct 31 2018 15:06:52

DO NOT FORGET TO RESET THE RN2483 BY PULLING THE RST PIN !

UF Smart Devices : Partie Analogique

Impédence du capteur de gaz : plusieurs gigaohms -> il faut donc amplifier le signal.

En amplifiant on amplifie aussie le buit ! Il faut donc filtrer :

  1. Filtrer le bruit hf de mesure
  2. Fitlrer le bruit 50Hz
  3. Filtrer l'échantillonnage de l'ADC

Ampli normal avec gros offset :

image

Ampli LT1050 très faible offset :

image