microcontrollers

Butterfly Ladybug STM32L4 Based Arduino Programable Development Boards 1

Butterfly & Ladybug, STM32L4-Based Arduino-Programable Development Boards

Arduino boards are very useful for beginners to get started with building hardware projects. But at some point, more powerful controller than the Arduino’s 8 MHz one will be needed, featuring faster clock rate, floating point engine, and rich peripherals. As Kris Winer found, the code editors and compilers for these controllers aren’t as simple […]

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Two dimensional piezoelectric material forms basis of worlds thinnest electric generator

“Chipiplexing” efficiently drives multiple LEDs using few microcontroller ports

Actual microcontrollers have powerful bidirectional I/O ports, and you can use different techniques to fully exploit such capabilities. Recent Design Ideas described the “Charlieplexing” method as an effective way to drive M=N×(N–1) LEDs using only N bidirectional I/O ports and N resistors (reference 1 and reference 2). Unfortunately, using Charlieplexing allows you to drive only

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