Arduino Nano Vs Raspberry Pi Pico: What's The Difference?

The Raspberry Pi Pico is the new kid on the microcontroller block. How does it compare to the long-established Arduino Nano?
EDN

Analog frequency doublers

Using high school trigonometry combined with knowledge of four-quadrant multipliers to form a frequency quadrupler.
GitHub

FastLED - The Universal LED Library

The FastLED Cookbook provides practical guides, step-by-step examples, and copy-paste recipes to help you create stunning LED effects - from your first blink to advanced animations. src/README.md ...
Microwaves & RF

Smart IVT Hall and Shunt Sensors Accept External NTC Input

To enable more precise external temperature measurements in addition to junction readings, Melexis added an NTC resistor input capability to its MLX91230 (Hall-effect) and MLX91231 (shunt interface) ...
IEEE

Self-Learning Analog Comparator with Adaptive Sampling Rate Scheme for Energy Optimization in Continuous Input Monitoring Applications

Abstract: The analog comparator module integrated on the microcontrollers is used in several embedded applications in which analog input signals from sensors and other sources need to be monitored ...