Mr Tech 
Introduction The ESP8266 NodeMCU is a popular microcontroller for Internet of Things (IoT) projects, thanks to its built-in Wi-Fi capability and affordable price. Paired with a versatile component like the …
Introduction The ESP8266 NodeMCU is one of the most popular microcontrollers used in IoT projects due to its low cost, small size, and integrated Wi-Fi. When paired with the TTP223B …
Using the ESP8266 Nodemcu with KY-038 Sound Sensor is a great way to integrate basic sound detection into your IoT projects. Whether you’re building a simple clap switch or a …
Monitoring environmental conditions like temperature and humidity is crucial in various applications, from smart homes to agricultural systems. One of the most cost-effective and reliable ways to achieve this is …
