![Amazon.com: BAEASU 3-Pack HC-SR04 Ultrasonic Sensor Module for Arduino R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee (3Pcs Mounting Bracket + 15pcs Dupont Cable) : Industrial & Scientific Amazon.com: BAEASU 3-Pack HC-SR04 Ultrasonic Sensor Module for Arduino R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee (3Pcs Mounting Bracket + 15pcs Dupont Cable) : Industrial & Scientific](https://m.media-amazon.com/images/I/610cNoi-fOL._AC_UF894,1000_QL80_.jpg)
Amazon.com: BAEASU 3-Pack HC-SR04 Ultrasonic Sensor Module for Arduino R3 MEGA Mega2560 Duemilanove Nano Robot XBee ZigBee (3Pcs Mounting Bracket + 15pcs Dupont Cable) : Industrial & Scientific
![Amazon.com: Ardest Measuring Module Ranging Ultrasonic Distance Sensor for Obstacle Avoidance in Arduino Projects Pack of 2 by Ardest : Industrial & Scientific Amazon.com: Ardest Measuring Module Ranging Ultrasonic Distance Sensor for Obstacle Avoidance in Arduino Projects Pack of 2 by Ardest : Industrial & Scientific](https://m.media-amazon.com/images/I/61CM6M3+R9L.jpg)
Amazon.com: Ardest Measuring Module Ranging Ultrasonic Distance Sensor for Obstacle Avoidance in Arduino Projects Pack of 2 by Ardest : Industrial & Scientific
![Not a pedal but can someone help edit my echoTrek schematic here: https://create.arduino.cc/projecthub/CesarSound/echotrek-digital-delay-echo -audio-effects-with-arduino-b017a2 : r/diypedals Not a pedal but can someone help edit my echoTrek schematic here: https://create.arduino.cc/projecthub/CesarSound/echotrek-digital-delay-echo -audio-effects-with-arduino-b017a2 : r/diypedals](https://i.redd.it/oey65rfkohb81.jpg)