Hackaday

Forgetfulino Puts Back Up Of Source Inside The Binary

How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

INIU’s Portable Chargers Are Smaller, Slimmer, and More Powerful Than Ever

We’ve been hearing about pocket-sized portable chargers for our smartphones and other tech devices for a long time now. But ...

OpenAI Launches GPT-5.4 Mini & Nano: Faster, Smarter AI—Even for Free Users

OpenAI launches GPT-5.4 mini and nano, bringing near-flagship AI performance to free ChatGPT users at a fraction of the cost.

OpenAI Introduces GPT-5.4 Mini, Nano as Faster Models Optimised for Coding and AI Agents

OpenAI’s GPT‑5.4 mini is now available in the API, Codex, and ChatGPT, whereas GPT‑5.4 nano is only available in the API.
9to5Google

What Gemini features you get with Google AI Plus, Pro, & Ultra [March 2026]

At I/O 2025, Google One AI Premium (and Gemini Advanced) became Google AI Pro, while a more expensive tier was introduced with AI Ultra.
Decrypt

OpenAI Releases GPT-5.4 Mini and Nano, Which Could Be More Useful Than the Big Model

OpenAI's new small models are faster and cheaper than GPT-5.4—exactly what developers and businesses actually need.
GitHub

We present a unified library for MQ sensors, this library allows to read MQ signals easily from Arduino, Genuino, ESP8266, ESP-32 boards whose references are MQ2, MQ3, MQ4, MQ5 ...

//Include the library #include <MQUnifiedsensor.h> /*****Hardware Related Macros*****/ #define Board ("Arduino UNO") #define Pin (A4) //Analog input 4 of your arduino ...