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Day 15: Lessons – Ultrasonic Distance Sensors

You are here: Home / 30 Days to Arduino Programming Course / 30 Days to Arduino Lessons / Day 15: Lessons – Ultrasonic Distance Sensors

Today we build an Arduino Proximity Alarm using the HC-SR04 Ultrasonic Distance Sensor.

Using the HC-SR04 Sensor

Proximity Alarm

Arduino Lessons

  • Day Zero (What is Arduino and Why Care?)
  • Day 1: Lesson 01 – Introducing Arduino
  • Day 1 Lesson 02 – Meet Arduino Uno
  • Day 1 Lesson 03 – Breadboard a Circuit
  • Day 2 Lesson 01: Arduino Web IDE and the Structure of an Arduino C Sketch
  • Day 2 Lesson 02: Hello World!
  • Day 3: Lesson – Fun with LEDs
  • Day 4: Lesson – Magic 8 Ball & Random
  • Day 5: Lesson 01 – Arduino/C Functions and Serial Input
  • Day 5: Lesson 02 – Variable Type Conversions and Serial Input RGB LED
  • Day 5: Lesson 03 – RGB LED Color-Picker
  • Day 5: Video for Today’s Lessons
  • Day 5: Lesson 04 – Spy Box Part 1
  • Day 6: Lessons – Reading Inputs
  • Day 7: Lessons – Internet of Arduino Things
  • Day 8: Lessons – Internet of Arduino Things Part 2
  • Day 9: Lessons – Magic 8 Revisited (16×2 LCD + Tilt Switch)
  • Day 10: Lessons – Tiny Night Light (Light Sensor and ATTiny85 Programming)
  • Day 11: Lessons – Arduino Chiptune Music
  • Day 12: Lesson – 8 LED Sequence using Shift Registers
  • Day 13: Lessons – Countdown Clock with 7 Segment Display
  • Day 14: Lessons – Time.h/Arduino Clock
  • Day 15: Lessons – Ultrasonic Distance Sensors
  • Day 16: Lessons – Going Wireless!
  • Day 17: Lessons – Send and Receive IR Signals with Arduino + LEGO Power Functions!
  • Day 18: Lessons – Controlling a Canon 7D using a Hacked IR Remote and a Transistor
  • Day 19: Lesson – Arduino Remote Control MP3 Player!
  • Day 20: Lessons – Wifi with ESP8266
  • Day 21: Lessons – Wifi Data Logger with ESP8266
  • Day 22: Lessons – Arduino, Bluetooth/BLE & Android/iOS/Mac/PC
  • Day 23: Lessons – How to create your own custom Android app to control Arduino over Bluetooth
  • Day 24: Lessons – How to create your own custom iOS app to control Arduino over Bluetooth
  • Day 25: Lessons – Controlling 2x Servos with an Arduino Analog Joystick input
  • Day 26: Lessons – Controlling DC Motors, and DHT22 Temperature Sensor
  • Day 27: Lessons – Motor Controllers
  • Day 28: Lessons – Arduino 28BYJ-48 Stepper Motor Control with the ULN2003 Stepper Motor Driver
  • Day 29: Lesson – Moving Your Arduino Project Off Your Breadboard
  • Day 30: How to make the most minimal Arduino/ATmega328 breadboard circuit
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