Arduino LoRa Development Board with 5V 3A Power Supply, Relays, Oled Display, and Buzzer

Published: 04 June 2023
on channel: Electronic Clinic
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Arduino Projects Development Board with 5v 3A Power Supply, Relays, LoRa, Oled, & Buzzer


Altium Designer: For Schematic and PCB designing
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Project Description:
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In today's episode, you will learn how to make this Arduino Development board at home. This Arduino development board has a 5V and 3A power supply, an I2C supported OLED display module, 5V SPDT type relays, a LoRa transceiver module for long-range wireless communication, and a 5V buzzer.

And as you can see, here is my updated development board based on the regulated 5V and 3A power supply. I have also used an OLED display module in this development board, which helps you monitor values of different sensors. The display I used here is the SSD1306 OLED display module. In this development board, I have also added 5V SPDT type relays, which allow you to control high voltage AC and DC loads. And as you can see, there is also a buzzer on this board. Let's say you are working on a project where you need to monitor different types of sensors. When the sensor value exceeds the threshold value, the buzzer turns on. Or if you want to create a security system and the sensor gets activated, the buzzer turns on.

In addition to that, I have also added a LoRa transceiver module in this development board because I am sure that after trying out basic Arduino projects, you will eventually need long-range wireless communication. I have used the Ai-Thinker 433MHz Ra-02 LoRa module. I am really thankful to Ai-Thinker for sending me lots of these LoRa modules along with different antennas for testing the communication range.

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Amazon Purchase links:
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