Using only an HC-SR04 ultrasonic sensor, relay, 5V DC motor, RGB LED, and buzzer, we created an automated system capable of responding to objects entering a predefined distance. Most importantly, the ...
图形化参数面板 ：在 Arduino IDE 的“工具→开发板→RudiBots ESP32”菜单下，新增了 Voice Model （选择 WakeWord_Yes 或 WakeWord_Light ）、 Motor Driver （选择 L298N 或 TB6612FNG ）、 Sensor Suite （勾选 Ultrasonic / Infrared / DHT22 ）三个下拉选项。
A pocket-sized circuit board measuring just 25 by 25 millimeters could change how researchers build wearable health devices.
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