This project is a bi-weekly plant watering system. Things you need: — Arduino UNO R4 WIFI — DPDT 5v Relay — 5v Peristaltic pump —
Category: Arduino & Electronics
Using Arduino Uno and a Double Pole Double Throw relay to control 2 actuators, an LED and a buzzer.
Below is my Youtube video for using a Double Pole Double Throw replay to control an LED and a buzzer. This circuit is like a
Using Telegram bot and ESP32 to get temperature and humidity readings from sensor (DHT11) remotely
Hi all, the items you need for this project: ESP32 microcontroller DHT11 sensor ( DHT22 also can, but need to change in the Arduino code,
FM Radio with Arduino Uno/Nano and TEA5767 radio module
In this post we will build a FM radio using Arduino Uno (Arduino Nano also ok) with a radio module TEA5756. The C code is
Sending email from Raspberry Pi
This post is about using Raspi to send email using secure SMTP server like Gmail. Especially useful when the user need to be alerted about
Adding loop recording feature to Raspi Cam
I wanted to add loop recording feature for the Raspberry Pi camera system project (link to earlier project). This will free up the space in
