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blog.squix.org
| | darrenparkinson.uk
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| | Using the HC-SR04 on a Raspberry Pi with Go
| | peterbraden.co.uk
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| | [AI summary] The author details the process of building an ESP32-based air sensor that measures temperature and humidity, sends data via MQTT to a home server for visualization in Home Assistant, and discusses challenges faced during development.
| | yasoob.me
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| | Hi lovely people! In the last article we talked about the soil moisture sensor. In this article, we will take a look at how to measure temperature using DS18b20 and measure light intensity using a photocell. Step 1: Wiring up the Circuit We will be using: Arduino UNO Breadboard DS18B20 Temperature Sensor Photocell (any typical one) 4.7K? resistor 10K? resistor Jumper Wires Wire up the circuit like this:
| | www.adambowie.com
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