Learn how to set up two NRF24L01 senders and one receiver on Arduino boards, program them in Visuino, and wirelessly share temperature and humidity readings.

Learn how to use the Seeeduino XIAO Expansion Board with an ultrasonic range sensor and add a sound warning. Step-by-step guide with Visuino code.

Create a dual‑sensor weather station that sends indoor/outdoor temperature & humidity wirelessly via NRF24L01 modules to an Arduino UNO and displays data on an

Learn to read TVOC, CO2, hydrogen, ethanol, temperature and humidity from SGP30 and DHT11 sensors on an Arduino UNO. Display data on an OLED using Visuino.

Learn how to make a simple device for monitoring the state of the ionosphere and the quality of shortwave signals using the CA3089 chip.

Step‑by‑step guide to show changing text on a MAX7219 8‑digit LED display using Visuino and an Arduino UNO. Includes circuit, code generation, and demo video.

Learn how to read temperature and humidity from a DHT11 sensor and show it on an 8‑digit MAX7219 LED display with Arduino. Step‑by‑step guide.

Learn to wire a DS1307 RTC with a MAX7219 LED matrix and control it through Visuino. Step‑by‑step guide for Arduino UNO users.

Learn how to detect darkness with a BH1750, trigger a relay, and turn a 12V light bulb ON/OFF using Arduino and Visuino. Step‑by‑step guide.

Learn how to build an automatic cooling fan that spins a servo-driven fan when the DHT11 temperature exceeds a set threshold, using Visuino and Arduino UNO.

Learn to drive a DC motor smoothly with an L298N, pot, OLED display and pushbuttons. Step‑by‑step guide for Arduino UNO using Visuino.

By integrating advanced sensors and optimizing the power management of the ESP32, I've created a DIY smart lock that is both reliable and energy-efficient.