The ESP32 does everything a Pi Pico does, but costs less and lasts 100x longer on batteries ...

The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

Yesterday, I wrote about a 2-year-old open-source hardware ESP32-based DAB+ receiver project, but it turns out there's also a ...

The Sentinel Core board measures 170 x 170mm (6.7″ x 6.7″) and should fit into most computer cases designed for mini ITX boards. It has the dual 100-pin connector used to attach a Raspberry Pi CM5, ...

Tiny boards, big wins.

Happy Pi Day! March 14 is the date that otherwise rational people celebrate this irrational number, because 3/14 contains the first three digits of pi. And hey, pi deserves a day. By definition, it’s ...

In our Tech Q&A series, we tackle readers’ mechanical dilemmas and upgrade questions with help from the BikeRadar team and trusted industry experts. This time, a reader wants to modernise a much-loved ...

Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... March 14 is also reportedly the birthday of ...