read adc voltage from pin A0 on NodeMCU esp8266

Displaying sensor readings on the ThingSpeak Server

temperature probe, humidity with battery voltage AM2320

ConCom

ESP 8266 NodeMCU with a DHT22

ESP8266+DS18B20

DHT22 Temperature and humidity sensor Graph

Collect data of number of products in a specific interval and analysis the data.

Esp8266,Dht11,LDR, BMP180,RF 433 mHz

ESP8266-12E & DHT22

Temperature and humidity information for the server room in MTL office

Data from Accelerometer -> ADC -> BLE -> ESP8266.

Data from Accelerometer -> ADC -> BLE -> ESP8266.

Channel to be used for data upload: - Temperature - Humidity - Luminosity - Soil Moisture (Humidity) Using ArduFarmBot V 5.0 on a Tomato Plantation at MJRovai Home Farm

Shows the counted heart rate with Arduino and sent with ESP8266.