Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

Welcome to the guide on creating a Line Follower Robot using Arduino! In this instructable, you'll learn how to build a robot that follows a line using infrared proximity sensors. The Arduino ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

LILYGO has recently introduced the T-Watch S3 Plus, an ESP32-S3 smartwatch which can be considered an upgrade from the previous generation T-Watch S3, adding a u-blox MIA-M10Q GPS and a larger 940mAh ...

The ESP32 Agent Dev Kit is an ESP32-S3-powered voice assistant that offers integrations with popular LLM models such as ChatGPT, Gemini, and Claude. Wireless-Tag says the Dev Kit is suitable for “95% ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Over the last several decades, the design of robots has moved from an academic exercise and the domain of deep-pocketed corporations to the world of start-ups, hobbyists, and everyday people.

We are building a simple touch-free automatic handwash dispensing machine. Using discarded and waste household materials such as wooden drawers from broken tables, plastic bottles, PET jars, fruit ...

Abstract: This research paper describes the design of a pill dispensing device that can assist people with physical or cognitive limitations in taking their prescribed medications. The design is based ...