How to convert temperature from DS18B20 sensor module to …
Jan 25, 2025 · How to convert these values into Celsius? I tried scripts with the OneWire and DallasTemperature libraries while using a digital pin, but I get value -127. Example of script: …
DS18B20 is only giving -127 - Sensors - Arduino Forum
Jul 18, 2021 · Hello to everyone, i am trying to use an DS18B20 to get an temperature measurment. But i only get an -127 reading. Through the Forum i learned that this is probably …
[SOLVED] DS18B20 not working reliably on Nano ESP32 - Arduino …
Nov 9, 2024 · Hi all, I've a strange problem with using two DS18B20 sensors on the Nano ESP32. I'm using the following circuit (the buzzer is not connected atm): And here are some pictures of …
DS18B20 and Firebeetle 2 (ESP32-C6) - Arduino Forum
Nov 25, 2024 · Hello, I'm experiencing a particularly strange problem with DS18B20 sensors using a FireBeetle 2: I've used several probes, but OneWire can't return a device, so it always …
INPUT_PULLUP and DS18B20 OneWire sensors - Arduino Forum
Oct 3, 2024 · The command pinMode (DPin, INPUT_PULLUP) is not useful for OneWire Bus of DS18B20. It is because, the signal wire of DS18B20 (Fig-1) is a bi-directional line through …
DS18B20 reads -127 with arduino nano ESP32 [SOLVED]
Mar 26, 2024 · I have attached a DS18B20 temperature sensor to an arduino nano ESP32. I have tried both a 3.3k pullup resistor and a 4.7k pullup resistor, as well as bridged a 10uF ceramic …
Learning more about DS18B20 temperature sensor; some
Nov 27, 2020 · In using the DS18B20 for a couple of projects I have mostly used software snippets from others, accepting the compromises that entails; but now it's about time I took …
Reading multiple DS18B20 sensors - Arduino Forum
Sep 7, 2023 · Hi, I want to read 12 different DS18B20 with 10m long cable and send the data to the Thingsboard IoT Cloud to visualize it. I first tested everything with just 3 DS18B20 and …
Capteur DS18B20 - Français - Arduino Forum
May 15, 2025 · Bonsoir, J'ai réalisé une structure de mesure de température avec Arduino UNO et Nano et un capteur DS18B20. Hélas les valeurs affichées ne sont que + ou - 125 °C. Les …
DS18B20 & Arduino Uno in Proteus Isis - Sensors - Arduino Forum
Aug 1, 2013 · Hello. I'm trying to simulate the use of a ds18b20 in isis. I'm working with arduino 1.0.5. and I downloaded the latest OneWire library. In my atmega328p, I put the sample code …