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Red Mosquitto: Implement a Noise Sensor With an MQTT Client in an ESP32
We write in Rust from scratch the firmware of a noise sensor implemented with an ESP32. We use the neopixel to inform the user about the status of the device. And we make that sensor expose the measurements through MQTT.
Sep 04, 2024 | 25 min read
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Tutorial
Red Mosquitto: Implement a Noise Sensor With an MQTT Client in an ESP32
We write in Rust from scratch the firmware of a noise sensor implemented with an ESP32. We use the neopixel to inform the user about the status of the device. And we make that sensor expose the measurements through MQTT.Sep 04, 2024
Tutorial
Plans and Hardware Selection for a Hands-on Implementation of IoT with MCUs and MongoDB
In the first of this series, learn the hands-on IoT project we will be delivering, the architecture that will be implemented, and the step-by-step approach we'll take.Aug 28, 2024
Tutorial
Getting Started With MongoDB and C++
Utilize Microsoft Visual Studio to compile/install the MongoDB C/C++ drivers on Windows. Use these to create a console app that interacts with MongoDB data.
Aug 14, 2024
Article
Announcing the Realm C++ SDK Alpha
Today, we are excited to announce the Realm C++ SDK Alpha and the continuation of the work toward a private preview.
Apr 03, 2024
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Tutorial
MongoDB Time Series with C++
In this tutorial, we will show you how to build a C++ console application that uses MongoDB to store time series data, related to the Air Quality Index (AQI) for a given location.
Apr 03, 2024
Tutorial
Turn BLE: Implementing BLE Sensors with MCU Devkits
After having sketched the plan in our first article, this is the first one where we start coding. In this hands-on article, you will understand how to write firmware for a Raspberry Pi Pico (RP2) board try that implements offering sensor data through Bluetooth Low Energy communication.Apr 02, 2024
Tutorial
Me and the Devil BlueZ: Reading BLE sensors from C++
This article is a step-by-step description of the process of writing a C++ application from scratch that reads from a Bluetooth Low Energy sensor using DBus and BlueZ. The resulting app will run in a Raspberry Pi and might be the seed for the collecting station that will upload data to a MongoDB cluster in the Cloud.Mar 18, 2024