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4Pro TX Parts
werk_ag
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Posts: 5.414
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Weather Station: WeatherDuino 4Pro
Country: Portugal
#3

31-10-2025, 16:56
Hi PapaErde

As stated on the official parts list, the reference for the I2C bus extender chip is P82B715.
You can find the specs here: https://www.ti.com/lit/ds/symlink/p82b715.pdf

Regarding the AD822 chip, I don't know if the TS922 is a direct replacement chip.

Rgs,
Werk_AG
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Messages In This Thread
4Pro TX Parts - by HeavyWeather - 03-03-2025, 21:19
RE: 4Pro TX Parts - by PapaErde - 30-10-2025, 12:04
RE: 4Pro TX Parts - by werk_ag - 31-10-2025, 16:56
RE: 4Pro TX Parts - by PapaErde - 31-10-2025, 17:17



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  2. Weather Stations & Environmental Measurement Equipment - WeatherDuino 4Pro Line
  3. 4Pro Weather Stations - Transmitters
  4. User support forum for 4Pro Weather Station Transmitters