What app-less swapping taught me about engineering for impact.I joined Kofa to work on infrastructure that directly affects how people move and earn.Energy, mobility, infrastructure nothing here is simple, and that鈥檚 exactly what makes the work meaningful. A fAug 10, 2026路2 min read
Connecting a Laravel application to AWS IoT Core over MQTT - Part 2In Part 1, we created a device policy and a thing on AWS IoT core. In this article, we will use the downloaded certificates to connect to the MQTT broker to publish messages and subscribe to topics. We will use the PHP-MQTT library. AWS IoT core uses...Apr 7, 2024路4 min read
Connecting a Laravel application to AWS IoT Core over MQTT - Part 1AWS IoT core provides a suite of features that makes connecting IoT devices to the cloud and managing them a breeze. An MQTT broker is one of the services offered by AWS IoT Core. In this 2-part series, I will go over creating an IoT device or thing ...Feb 17, 2024路3 min read
Hardware Debuggers Save TimeMy entry into embedded systems like most other people started with an Arduino Uno. The UNO didn't have a hardware debugger on board so If I made a mistake, I had to place well-structured Serial.println statements throughout my code so that I could fo...May 23, 2023路1 min read
Integrating MQTT into a Laravel projectRecently, I have been experimenting with MQTT, a lightweight messaging protocol that is designed to provide efficient, reliable, and real-time communication between devices and applications in machine-to-machine (M2M) and Internet of Things (IoT) con...Mar 10, 2023路2 min read
So you learnt Arduino, What next?Like many others, I learned of Arduino very early when I was learning about embedded systems. It felt great to be able to build pretty complex projects like a remote-controlled fan without much of a more profound knowledge of electronics and the best...Jan 22, 2023路2 min read
Getting electronic components for your next project in GhanaOnce I started trying to follow online tutorials to build electronic projects, I quickly ran into an issue of finding where I can buy these modules and electronic components. I wanted to find local shops that I could buy from since shipping everythin...Dec 27, 2022路1 min read