GitHub

Chess-Clock-with-External-and-Timer-Interrupts

What is a chess clock? According to FIDE (International Chess Federation), a "chess clock" is a "clock" with two time displays, connected to each other in such a way that only one of them can function ...
note

Arduino UNO R4 でR3のプログラムを使うときの注意点・対処方法

マイコンの仕様に関連して型名が示すサイズが異なるのがINT型です。 Arduino UNO R3までは8bitマイコンのATmega328でしたが、R4は32bitマイコンのArm Cortex-M4です。 R3以前のプログラムで "INT型が2BYTEであることを前提"としたプログラムはINT型が4BYTEであるR4では正しく ...
SlashGear

Arduino Uno Rev3 Vs. R4 WiFi: What's The Difference Between These Computers?

In need of a simple microcontroller board for your project? Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from ...
Electronics Weekly

More on: Arduino Uno R4 Minima and WiFi in detail

Connector to add external battery to real-time clock (RTC) inside Renesas MCU (MCU RTC power pad held to 5V rail on Minima) Secondary (wireless) processor: 240MHz 3.3V dual core 32bit Espressif ...