Analog input sounds simple until it isn’t. You wire up a sensor, read a value, and notice the number jumping around by 50 counts even when nothing is touching the circuit. Or you’re building an ESP32 project with Wi-Fi, and your analog readings turn to garbage the moment the radio fires up. At that point, […]
Search “PLA vs PETG” and you’ll find dozens of articles that end with the same useless conclusion: “it depends on your project.” Thanks. Very helpful. The problem is that most comparisons treat these two materials as competitors on a single spectrum — where PETG is just a tougher, harder version of PLA. That framing is […]
A practical guide to DHT11 and DHT22 temperature and humidity sensors — how they work, how to wire them, how to read them with Arduino and ESP32, and which one to choose for your project. Temperature and humidity are two of the most commonly measured environmental variables in electronics projects. Whether you’re building a weather […]