Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

The ESP32-S3 Plus features two CPU cores that run at up to 240 MHz and integrated support for WiFi 4 and Bluetooth 5.0 LE. There mainboard also has NFC antenna pins, a battery connector, a USB-C port, ...

NXP’s MCX L dual-core microcontroller leverages Adaptive Dynamic Voltage Control to enhance low-power operation.

But it’s a pretty cool rabbit hole that leads to homebrew neon seven-segment displays on a calculator with relay logic.

As spotted by Liliputing, the TRMNL 7.5" DIY Kit is a sleek e-ink display kit made as a collaboration between Seeed Studio and TRMNL. It's perfect for people who want to add one to their project ...

Sunday Puzzle Each week, New York Times crossword puzzle editor and NPR's Puzzlemaster Will Shortz presents an on-air quiz to one contestant and gives a challenge for listeners at home.