Holgers Weatherlogger in Hagen(Germany).

SSU EE Senior Project

Voltage from Arduino Analog Pin A0

test for post & get sensor data

Measurements are taken in Italy. Voltage and frequency sensing are obtained using an AC-AC transformer and a divider circuit which reduces the peak voltage to that of Particle Photon's pin range.

smart panel demo

Pond

Readings in Clear Water

Voltage sensor

Voltage collection module

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

Temperature and Humidity

Published from my coconut LoRa node: an RN2483 module controlled by an ATtiny85V, a TMP36 temperature sensor, a homemade 868 MHz helical antenna and two AAA batteries.

ESP8266 running NodeMCU with a DHT11 to report humidity and a BMP180 to report pressure and temperature. The Sensor also reports battery voltage which is 2xAA batteries. Photo: http://imgur.com/hDpeNxj