A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...

Have you ever wished your hand had an extra feature? Like, maybe, a second thumb? A scope probe pinky maybe? Well, if you are building a robot effector, you get to pick what extra features it has.

Back in 1991, I was in New Delhi visiting the iconic Lotus Temple (Bahá’íHouse of Worship). The temple’s breathtaking ...

To build this, first initiate the ESP32-S3 in AP+STA mode, bringing up a soft AP that redirects all client DNS lookups. It ...

Unlike the standard ESP32 microcontroller, the CAM variant includes a camera module and a microSD card slot built into it. Heck, if you’re willing to write long lines of code, you can create a ...

The PD.Charger-GSM v2.5 is an industrial-grade solar and LiFePo4 charger/controller with MPPT support, designed for 2–4 cell Li-Ion/LiFePo4 batteries. With various connectivity options and a ...

Run in the Arduino IDE the HelloWorld example with an ili9488 in SPI. In fact, you don't need an ili display to try this, because it fails at compile time. The possible wiring errors, are irrelevant ...

I'm trying to compile example #13 for ESP32 Dev Module, without changing anything. Below are the compiled messages and errors. Would anyone be able to help? `In file included from ...

Abstract: This article presents the enhancement of a weed detection robot designed to automate the identification and riddance of unwanted vegetation in agricultural fields. The robot integrates a ...

We’ve already covered a range of ESP32-C6 boards, but none supporting Ethernet and PoE so far, and the ESP32-C6-Bug board brings that to the table thanks to the Esp32-Bug-Eth shield with a W5500 ...