Comments (3)
dglaude
commented on August 18, 2024
The code confirm that two version exist: enviro-phat/library/envirophat/ads1015.py
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Gadgetoid
commented on August 18, 2024
Yes two versions exist- albeit the first one was a very limited run, it's still in the wild. Since the calculation to convert from ADC reading to voltage varies between the version powered at 3.3v and the version powered at 5v they use different i2c addresses to disambiguate them.
Looks like the shop also claims 3.3v, right undernearth a large photo of the board labelled "5v." - https://shop.pimoroni.com/products/enviro-phat
The ADC channels are, indeed, 5v tolerant and the ADS1015 is powered from the Pi's 5v supply. Even the earlier 3.3v version of the ADC generally tolerated 5v, although it was out of spec (since the device was powered at 3.3v).
Will get this cleaned up! Thanks
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Gadgetoid
commented on August 18, 2024
@sandyjmacdonald could you look into the shop description please?
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Related Issues (16)
- Such serious! HOT 1
- light sensor: division by zero HOT 1
- Missing dependency HOT 3
- Installation command rejected? HOT 6
- Importing from envirophat fails with a TypeError HOT 11
- 'Sudo python' for use HOT 7
- Importing from envirophat fails on zero HOT 2
- Loading script on boot: [Errno 25] Inappropriate ioctl for device HOT 1
- QNH defined HOT 3
- Error when passing unit kwarg into pressure(self, unit=None) HOT 2
- Enviro phat not conecting. HOT 3
- Missing unit argument in learn guide HOT 1
- OSError: [Errno 121] Remote I/O error 3 HOT 4
- Migrate Enviro pHAT library to new breakout packages HOT 1
- Remote I/O Error HOT 6
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