Merge branch 'master' into patch-3

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HarukiToreda 2024-05-19 18:30:58 -04:00 committed by GitHub
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@ -17,6 +17,8 @@ organizer with an online presence and wish to be included in this list, please e
us on [Discord](https://discord.com/invite/ktMAKGBnBs) to add your group.
## Australia
### Australian Capital Territory
- [Canberra Meshtastic Community - Discord](https://discord.gg/4QgFsuaC3Z)
### Tasmania
- [Meshtastic User Group Tasmania](https://www.facebook.com/groups/1556630645195649)
@ -93,8 +95,12 @@ us on [Discord](https://discord.com/invite/ktMAKGBnBs) to add your group.
## Germany
- [Meshtastic Users D-A-CH](https://t.me/meshtasticgermany) for technical chat
## India
- [India Bir Paragliding](https://bircom.in)
## Italy
- [Meshtastic Italia](https://t.me/meshtastic_italia)
- [Mesh_ITA Discord Server](https://discord.gg/ETFmtyzbFT)
## Lithuania
- [Meshtastic Lietuva](https://www.facebook.com/groups/1122509422249414)
@ -115,4 +121,3 @@ us on [Discord](https://discord.com/invite/ktMAKGBnBs) to add your group.
- [Meshtastic Taiwan Community 臺灣鏈網 - Discord](https://discord.gg/2vZkuckp8E)

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@ -18,13 +18,16 @@ Supported sensors connected to the I2C bus of the device will be automatically d
| Sensor | I<sup>2</sup>C Address | Data Points |
| :-----: | :--------------------: | :-----------------------------------------------------------: |
| BMP085 | 0x76, 0x77 | Temperature and barometric pressure |
| BMP180 | 0x76, 0x77 | Temperature and barometric pressure |
| BMP280 | 0x76, 0x77 | Temperature and barometric pressure |
| BME280 | 0x76, 0x77 | Temperature, barometric pressure and humidity |
| BME680 | 0x76, 0x77 | Temperature, barometric pressure, humidity and air resistance |
| MCP9808 | 0x18 | Temperature |
| INA260 | 0x40, 0x41 | Current and Voltage |
| INA219 | 0x40, 0x41 | Current and Voltage |
| LPS22 | 0x5D, 0x5c | Barometric pressure |
| INA260 | 0x40, 0x41, 0x43 | Current and Voltage |
| INA219 | 0x40, 0x41, 0x43 | Current and Voltage |
| INA3221 | 0x42 | 3-channel Current and Voltage |
| LPS22 | 0x5D, 0x5C | Barometric pressure |
| SHTC3 | 0x70 | Temperature and humidity |
| SHT31 | 0x44 | Temperature and humidity |
| PMSA003I| 0x12 | Concentration units by size and particle counts by size |

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@ -80,7 +80,7 @@ Unless you're using your devices in a vacuum, with clear line of sight between a
For a bit of light reading on environmental research:
- [RF attenuation in vegetation](https://web.archive.org/web/20201216041455/https://www.itu.int/dms_pubrec/itu-r/rec/p/R-REC-P.833-9-201609-I!!PDF-E.pdf) (yes really); if you wander through the woods wondering how your RF is bouncing off leaves dependent on their variety, and wind speed … well you do, now.
- [RF attenuation with various building materials](https://www.ofcom.org.uk/__data/assets/pdf_file/0016/84022/building_materials_and_propagation.pdf).
- [RF attenuation with various building materials](https://web.archive.org/web/20230606172231/https://www.ofcom.org.uk/__data/assets/pdf_file/0016/84022/building_materials_and_propagation.pdf).
- This one by ITU again is very detailed in its [analysis of the drivers of attenuation](https://web.archive.org/web/20211005174833/https://www.itu.int/dms_pubrec/itu-r/rec/p/R-REC-P.2040-1-201507-I!!PDF-E.pdf) (I wasnt aware that all EMF radiation exhibits reflection / transmission characteristics akin to light hitting a material boundary. So, depending on the angle of incidence, material and the EMF wavelength, it will be reflected and / or transmitted through).
- These RF bands are also made more [noisy by adjacent LTE](https://www.ofcom.org.uk/__data/assets/pdf_file/0023/55922/lte-coexistence.pdf)