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After using the latest Arduino-esp32 there is a problem with ds18b20
Device is preset on the bus, bur ROM data error
https://github.com/espressif/arduino-esp32/issues/1335
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How did you manage to get the DS18B20 to work without a pullup resistor?
Is that a feature of the java driver?
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A few additional features would make this an amazing All in one Air Handler monitoring device:
1. 1-wire interface to connect DS18B20, DHT22, and other Temperature and/or Humidity sensors.
2. Opto…
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I would like to suggest new feature for basic and very popular weatherstation (meteo) sensors, that should not be missing on Wokwi.
- Dallas DS18B20 with OneWire bus
- BME or BMP sensor on I2C bus…
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### The problem
Every time I try to use more than eight DS18B20 sensors on a single NodeMCU, ESPHome only reads eight of the temperature values. Even if more sensors are found and definded, they are …
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I have configured a NodeMCU with an SDS011 and DS18B20 sensor. Both are configured but the 1 Wire DS18B20 on D7 (GPIO13) cannot be read -
## Sending to madavi.de:
Succeeded - api-rrd.madavi.de
T…
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Use this circuit diagram which use "external power supply" from the arduino 5V pin in…
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### The problem
My sensor DS18B20 returns zeros in 0-5 bits of the configuration register:
[23:24:24][D][dallas.sensor:084]: 0x8f06473b51760028
[23:26:11][VV][dallas.sensor:258]: Scratch pad…
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Hi, i got plenty of T-Beam around, and i'm wondering if it's possible to attach more the one DS18b20 probe like we do on ESP Easy.
Either on different Gpio nor same one as a daisy chain (1Wire)
I n…
Adefx updated
3 years ago
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It seems that DS18B20sensor does not correctly read negative temperatures.
https://github.com/RavenSystem/esp-homekit-devices/issues/208#issuecomment-468413809