Is there magic getting this temp sensor to appear?

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eciramella
 
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Is there magic getting this temp sensor to appear?

Post by eciramella »

Hi all - also trying to get a Waterproof 1-Wire DS18B20 Digital temperature sensor working with my Adafruit ESP32 Feather V2 w.FL Antenna - 8MB Flash + 2 MB PSRAM - STEMMA QT board. Starting to feel like this just is the wrong combination of parts.

I've tried several sketches and even some of the scans - I can't even get this thing to show up. Is there a definitive guide or is this just not a compatible pair?

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barshatriplee
 
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Re: Is there magic getting this temp sensor to appear?

Post by barshatriplee »

These two should be compatible. Exactly which adaruit library are you using and what problem are you facing?

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eciramella
 
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Re: Is there magic getting this temp sensor to appear?

Post by eciramella »

Thanks for responding - via the Arduino IDE, I tried:
- Dallas Temperature 3.9.0
- OneWire 2.3.7

At best, I get a reading in the thousands (+2000), at worst, I get a reading that doesn't change.

I've wired it in properly (red to the 3v, blue to grd, yellow to pin 14, resistor between the red and yellow), was pin 14 wrong?

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eciramella
 
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Re: Is there magic getting this temp sensor to appear?

Post by eciramella »

Using the built in "Tester" example (https://github.com/milesburton/Arduino- ... Tester.ino):

Code: Select all

08:00:15.163 -> rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
08:00:15.163 -> configsip: 271414342, SPIWP:0xee
08:00:15.163 -> clk_drv:0Dallas Temperature IC Control Library Demo
08:00:15.361 -> Locating devices...Found 1 devices.
08:00:15.427 -> Parasite power is: OFF
08:00:15.427 -> Found device 0 with address: 288451830E0000D5
08:00:15.494 -> Setting resolution to 9
08:00:15.494 -> Resolution actually set to: 9
08:00:15.526 -> Requesting temperatures...DONE
08:00:35.560 -> Temperature for device: 0
08:00:35.560 -> Temp C: 85.00 Temp F: 185.00
08:00:35.560 -> Requesting temperatures...DONE
It's sitting in the open in my living room which my Nest says is 35 deg.

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adafruit_support_bill
 
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Re: Is there magic getting this temp sensor to appear?

Post by adafruit_support_bill »

The output indicates that it is connected and communicating properly. But the temperature is way off. We can try replacing the sensor. Please contact [email protected] with your order information and a link to this thread.

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eciramella
 
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Re: Is there magic getting this temp sensor to appear?

Post by eciramella »

adafruit_support_bill wrote: Tue May 16, 2023 8:49 am The output indicates that it is connected and communicating properly. But the temperature is way off. We can try replacing the sensor. Please contact [email protected] with your order information and a link to this thread.
Will do - thanks. Here's to hoping that's all it is.

Was I ok in connecting this to pin 14 on the board?

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adafruit_support_bill
 
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Re: Is there magic getting this temp sensor to appear?

Post by adafruit_support_bill »

Yes. It should work on just about any GPIO pin. And the output of your test program indicates that it is communicating OK.

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eciramella
 
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Re: Is there magic getting this temp sensor to appear?

Post by eciramella »

adafruit_support_bill wrote: Tue May 16, 2023 12:31 pm Yes. It should work on just about any GPIO pin. And the output of your test program indicates that it is communicating OK.
Man - hate to think EVERYTHING I ordered is broken in some way - thanks for the tip. Guess I'm going to get a refund.

Wouldn't mind your 2 cents over here -> viewtopic.php?t=201446 starting to think that this feather is ALSO borked in some way.

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