Dolphins and bats navigate the world using ultrasounds, which are sounds with frequencies above the range of human hearing. In this tutorial, you will learn how to use ultrasounds to make exciting STEM projects.
IoT Project
How to Use Soil Moisture Sensor and NodeMCU ESP8266 with ThingSpeak IoT
This tutorial will teach you how to connect the Soil Moisture with the NodeMCU and upload the soil moisture data to the cloud using ThingSpeak.
How to Connect DHT11 with NodeMCU ESP8266 and Upload Data To ThingSpeak
This tutorial will show you how to connect the DHT11 with the NodeMCU ESP-12E and then log the data from the DHT11 to ThingSpeak.