Building your own DIY electronic notification system using Arduino and Raspberry Pi is an exciting and educational project that allows you to create a custom system tailored to your needs. In this comprehensive guide, I will walk you through the full process of constructing a notification system from start to finish.

Overview of Electronic Notification Systems

An electronic notification system is a device that can detect events or conditions and automatically send alerts or trigger other connected devices. For example, a notification system could send you a text message when someone rings your doorbell or trigger lights to flash when a sensor detects motion.

Some common uses for DIY notification systems include:

Key Components Needed

To build your own electronic notification system, you will need the following core components:

Choosing an Arduino Board

Arduino is an open-source electronics platform that is easy to use even for beginners. Here are some good Arduino board options:

I would recommend the Arduino Uno as a good starter board for notification systems. It provides ample IO pins, memory, and processing power.

Adding WiFi Connectivity

To send electronic notifications, your Arduino will need WiFi connectivity. Here are some options:

The ESP8266 module is my top choice - it is inexpensive, compact, and easy to integrate with Arduino boards using serial communication over UART.

Choosing Sensors

Sensors detect inputs and conditions to trigger your notification system. Some good options include:

Select sensors that are relevant to the conditions you want to monitor and notifications you wish to send.

Notification Output Options

To convey notifications, you need output devices. Some options:

A buzzer and OLED display allow for simple audio/visual notifications while WiFi connectivity enables sending text alerts remotely.

Assembling the Circuit

Here are the general steps to assemble the circuit:

  1. Connect the Arduino board to a breadboard
  2. Attach the selected sensors with jumper wires
  3. Add the WiFi module and antenna
  4. Add any output components like a buzzer and OLED display
  5. Power the circuit with a 5V power supply or battery pack

Refer to the pinouts for each component and connect the ground, power, and I/O pins accordingly.

Programming the Arduino

The Arduino code defines the behavior of the notification system. The key steps are:

Use if statements, variables, functions, and loops to control logic and flow. Load libraries like Adafruit IO for connectivity.

Connecting a Raspberry Pi Hub

For more advanced projects, you can connect your Arduino-based notification system to a Raspberry Pi mini computer. This allows for:

-Sending notifications over the internet
-Adding cameras for image capture
-Implementing voice control
-Connecting multiple Arduino nodes

The Pi serves as a central hub, linking and coordinating all the Arduinos. Use GPIO, I2C, or SPI to interconnect the devices.

Enclosure and Power

House your circuit in a protective enclosure. Make openings for any sensors. Power the system using a standard phone charger, power bank, or 5V adapter with sufficient current rating. Screw terminals make connecting power easy.

Example Use Cases

Here are some example projects you can build with this DIY notification system:

The possibilities are endless! Tailor the inputs, outputs, and notifications to your specific needs.


Building your own electronic notification system with Arduino and Raspberry Pi is an attainable project that provides hands-on learning. Follow this guide to choose your components, assemble the circuit, program the logic, and integrate Raspberry Pi for advanced capabilities. With some creativity, you can construct a custom notification system perfect for home automation, security, remote monitoring, and more.