ラズパイやArduinoでセンサーなどを使うときにI2C通信がよく使われています。この場合、ラズパイやArduinoがマスターで、センサーがスレーブになって、マスターからスレーブのデータを書き込んだり、データを読み出したりします。 センサーなどの代わりに ...

Microchip社製EEPROM 512kbits 24FC512 をArduino Wireクラスで動かします。今まで、PICマイコンを主に使っていたので、C言語オンリーでコードを書いていました。arduino,M5Stackになってオブジェクト指向で書くようになったので、なかなか、苦戦しております。それでも ...

The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...

PJON, pronounced like the iridescent sky rats found in every city, is a cool one wire protocol designed by [gioblu]. [gioblu] wasn’t impressed with the complications of I2C. He thought one-wire was ...

Assume that you are moving towards a complex microcontroller project bundled with blinkers, beepers, and a display panel. To link a standard 16×2 LCD directly with the microcontroller, for instance ...

The Arduino platform offers a variety of affordable toys used by DIY enthusiasts for simple electronics projects. It is known for being easy to learn and is built on a variant of the C++ programming ...

The I2C (qwiic) interface for the SparkFun Fingerprint Sensor - FPC2534 Pro board is currently only supported on ESP32 and Raspberry RP2 (RP2040, RP2350) boards. The I2C implementation of the FPC2534 ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

The Arduino is a powerful platform for interfacing with the real world, but it isn’t without limits. One of those hard limits, even for the Arduino MEGA, is a finite number of pins that the ...