You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to the serial monitor or to display it on an LCD ...
Arduino Library for the SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 The SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic)is an ultra-small, fan-less air quality sensor for sensing ...
The SparkFun Fingerprint Sensor - FPC2534 Pro is a small, highly capable and robust fingerprint sensor that can easily be integrated into virtually any application. Based off the AllKey Biometric ...
Arduinoで人気の小型ディスプレイ「OLED」。いざ接続して、よくあるLCDのサンプルコード(LiquidCrystal_I2C.hを使うもの)を書き込んだら、fatal error: LiquidCrystal_I2C.h: No such file or directoryというエラーが出て動かない…。 このエラーメッセージだけを見ると ...