Articles & Tutorials

Thoughts from the workbench

Written guides, debugging notes, and lessons learned while building IoT and embedded systems.

Aug 5, 20268 min read
Beginner
How to Choose Your First Microcontroller
Arduino, ESP32, STM32, Raspberry Pi Pico — which board is right for your first project? A practical comparison.
ArduinoESP32STM32
Jul 28, 202612 min read
Protocols
Understanding I2C: The Two-Wire Protocol
A visual guide to how I2C works, when to use it, and common debugging tricks for sensors and displays.
I2CSensorsDebugging
Jul 15, 202610 min read
Hardware
5 Mistakes That Kill Your First PCB Design
Avoid these common pitfalls in power routing, ground planes, and component placement before sending your board to fabrication.
PCBDesignKiCad
Jul 2, 202615 min read
IoT
MQTT in Plain English for IoT Developers
Why MQTT dominates IoT messaging, how topics and QoS work, and how to set up a broker in five minutes.
MQTTNetworkingCloud
Jun 20, 202611 min read
Advanced
Sleep Modes That Make Battery Projects Last Months
Deep sleep, light sleep, and peripheral management on ESP32 and STM32. Cut power draw by 100x.
Low powerESP32Battery
Jun 10, 20269 min read
Process
From Breadboard to Product: My Workflow
The exact process I use to turn a working prototype into a reproducible, presentable embedded product.
PrototypingWorkflowTools

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