The NodeMCU development board is a powerful solution to program microcontrollers and be part of the Internet of Things (IoT). The NodeMCU development board, based on ESP8266EX, is a cute module with a ...

Connect multiple ESP32 and NodeMCUs with the same Blynk account (FREE plan). Control home appliances with WiFi(Blynk App). Control home appliances with manual switches. Monitor real-time feedback in ...

ESP32-C3 RISC-V IoT processor with 2.4 WiFI and Bluetooth LE 5.0 was unveiled in December 2020, and Espressif Systems’ own ESP32-C3-DevKitM-1 board has been available in limited quantities as an ...

In this video, I'm making a carbon monoxide monitor for my home using an MQ7 carbon monoxide sensor, a DHT11 temperature and humidity sensor, and a NodeMCU microcontroller board. This sensor is ...

Turns on board LED on for one second, then off for one second, repeatedly. ESP32 have a on board LED. It is connected to pin 5 on ESP32-WROOM-32 with VCC. This sketch turns on and off on board LED for ...

Agriculture is the backbone of our country and it is very important to know the parameter of soil and water for efficient harvesting. The various parameters that can be monitored are Soil moisture, pH ...