Everything always looks good on paper (and in its seller’s description), so I plugged my module into an Arduino Prototyping Shield for a quick/lazy evaluation using an Arduino Uno. If you have played ...

This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 Ultrasonic ranging module,used here for non-contact object detection purpose. The HC-SR04 module includes ultrasonic ...

Inside the 3D printed enclosure is an Arduino Pro Mini, a HC-SR04 ultrasonic sensor, ... With a standard old HC-SR04 ultrasonic sensor, an audio module and a servo to drive a custom gauge needle ...

ESP32 Mini Robot Packs Sensors And 4WD. 4 Comments . by: John ... as well as an easy adoption for Arduino fans. [Stefan] beefed up the robot with a BNO055 module to determine orientation, ...