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Embedded Software

New way of enriching MQTT messages using AWS IoT Core 🚨

AWS added propagating attributes – contextual metadata from thing attributes or connection details. What does it mean? Previously, we had to configure and deploy IoT Rule to extract the `Client […]

AWS cares about your bill… in a good way!

In my recent experience with AWS, I encountered an unusual situation where access to the Lambda service was restricted due to an identified security violation. It’s a reminder that while […]

Establishing MQTT Connection with Private Key – is that secure?

In this video, I discuss using a Private Key in the MQTT connection setup. It’s crucial to keep the Private Key confidential and not share it with any third party. […]

What additional strategies can I implement to reduce power consumption?

Hey guys I noticed a significant increase in power consumption by my IoT devices (ESP32) when transmitting data to AWS IoT Core, leading to shorter battery life. I’ve optimized my […]

AWS IoT Core X.509 Certificates explained training – free 100 coupons!

To increase the IoT domain’s security posture, I decided to offer 100 free coupons for my Udemy training. After taking this training, you will: ✅ Understand how AWS IoT Core […]

AWS Greengrass – my (un)favorite IoT service.

AWS IoT Greengrass is an open-source Internet of Things (IoT) edge runtime and cloud service for IoT applications. It is my (un)favorite IoT service. Pros: Runs on edge devices. Communicates […]

How to pre-configure EC2 instances using AWS CDK and avoid a nasty trap?

It has been a while since I created a public GitHub repo, but this topic deserves a proper explanation. I was helping a customer solve that specific issue and decided […]

Why isn’t the LED responding to voice commands in my MicroPython code?

Hey guys still based on my project on developing a home automation voice-controlled system using `MicroPython` and `TinyML` on an `ESP32` microcontroller to recognize specific voice commands (“turn on” and […]

How to Fix Inference Timeout Errors with Edge Impulse Model on Arduino Nano 33 BLE Sense?

Hello everyone, I’m currently developing a vibration anomaly detection system using an Arduino Nano 33 BLE Sense. The machine learning model was trained with Edge Impulse, and it worked well […]

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