alarm

Reverse-Engineered-Bumper-Sensor-Campsite-Security-Alarm

Reverse Engineered Bumper Sensor Campsite Security Alarm

This Instructable is to build a very smart, talking campsite security system that is disguised in an owl decoy. Now, this isn’t your typical Arduino ultrasonic distance sensing project. Rather, you will learn how to reverse engineer the very inexpensive, but far superior automotive bumper backup sensors for very wide beams of detection. You’ll also learn how …

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Remote Smoke Alarm Buzzer & Microcontroller Interface

Remote Smoke Alarm Buzzer & Microcontroller Interface

Add a remote buzzer to Smoke Alarms that are too far away be heard. Also add an optional Microcontroller interface e.g. Arduino. This document describes how to: Modify an escape-light type smoke alarm to sound a remote buzzer Create the buzzer module Create a microcontroller alarm interface including PCB layout Use an Arduino code example …

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Awful to Awesome: Replace a Mechanical Alarm Sound

Hoping to reduce my late-night smartphone use, I got a vintage alarm clock for next to my bed. This beautiful mechanical flip clock has just one problem: a truly horrifying alarm sound. (Witness the first video above.) It’s no wonder what this clock isn’t being used anymore – it’s basically unusable as an alarm; it …

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DIY-Smart-Scale-With-Alarm-Clock-with-Wi-Fi-ESP8266-Arduino-IDE-and-Adafruit.io_

DIY Smart Scale With Alarm Clock (with Wi-Fi, ESP8266, Arduino IDE and Adafruit.io)

In my previous project, I developed a smart bathroom scale with Wi-Fi. It can measure user’s weight, display it locally and send it to the cloud. You can get more details about this on link below: https://www.instructables.com/id/Wi-Fi-Smart-Scale-with-ESP8266-Arduino-IDE-Adafrui/ This solved part of my problems: how to keep a record of my weight and track my gain …

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ESP32-NTP-Temperature-Probe-Cooking-Thermometer-With-Steinhart-Hart-Correction-and-Temperature-Alarm.

ESP32 NTP Temperature Probe Cooking Thermometer With Steinhart-Hart Correction and Temperature Alarm.

Still on the journey to complete an “upcoming project”, “ESP32 NTP Temperature Probe Cooking Thermometer With Steinhart-Hart Correction and Temperature Alarm” is an Instructable showing how I add an NTP temperature probe, piezo buzzer and software to my capacitive touch Instructable “ESP32 Capacitive Touch Input Using “Metallic Hole Plugs” for Buttons” to create a simple …

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RK Clean Air – A Gas, Smoke, and Carbon Monoxide Detector

RK Clean Air – A Gas, Smoke, and Carbon Monoxide Detector

Rk Clean Air is a gas responded device that is capable of monitoring gas leakage, smoke, and carbon monoxide leakage in the home. According to the National Fire Protection Association, “Three of every five home fire deaths resulted from fires in homes with no smoke alarms (38%) or no working smoke alarms (21%) and the death rate …

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DIY-Easy-Arduino-Laser-Tripwire-Security-System

DIY | Easy Arduino Laser Tripwire Security System!

In this tutorial I will be teaching you how you can build your own Laser Tripwire Security System at home! You will need the following components and materials: LED light Laser Module Laser Sensor Module Speaker or Piezo Buzzer 2 Small Breadboards with sticky tape on the back Arduino Breadboard wires USB Cable (to program …

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