There's no point in buying a Raspberry Pi when an ESP32 board can do half the things for just $9 ...

Cruise around AliExpress for long enough and you’ll find some interesting new hardware. The latest is the TTGO T-Call, an ESP32 breakout board that also has a cellular modem. Yes, it’s only a 2G modem ...

Not all ESP32 projects need to involve extra sensors or circuit components ...

My first foray into the IoT utilized the Espressif ESP8266, an SoC with 32-bit MCU and 2.4-GHz Wi-Fi built in. Since then, I have used many different module variants based on the microcontroller. So ...

Air is a necessity for us human beings, so monitoring it is important. Air quality is monitored in terms of the Air Quality Index(AQI), a single-number scale used to tell how polluted the air is and ...

What if the future of IoT didn’t depend on Wi-Fi? Imagine deploying a fleet of sensors in the remotest corners of the world, tracking wildlife, monitoring environmental changes, or managing logistics, ...

Do you remember back when electronics came in clear cases? Back around the turn of the millennium, when translucency was chic. [3DSage] sure does, which is why he went to great lengths to make a ...

Open-hardware platforms enable rapid prototyping and faster time-to-market of new IoT applications. The objective of this post is to give a brief introduction to another open-hardware IoT playground — ...

An open source USB module delivers fingerprint authentication to compatible Macs, offering a lower-cost alternative while supporting secure logins without ...

Say, like an ESP32 microcontroller that costs less than $10? It might sound impossible — the device is primarily designed for ...