by qiSun

Water and air temperatures of my Trout pond.

by JDT

Solar water heating system. 30 x 58mm evacuated tubes, facing south. 180l tank. Sussex, UK. The tank is also heated by a woodstove, oil boiler or by electric immersion heater.

by jconenna

This is an esp8266 based cat monitoring project. Monitors food and water bowl visits and litter box visit durations. Plots real time data for visits as well as daily totals. Click on More Information to visit and follow Muffin's Twitter @MyCatStats.

by janco

Water level in an underground water reservoir

by chrisumbel

hih6030-021-001 for temp and humidity. MSP430G2553 MCU

by chrisumbel

laundry room environmental sensors. msp430 w/ nRF24L01 radio

by hayhurst

A 3 square metre evacuated tube solar hot water system mounted on a roof with 20deg inclination and South orientation.

by hatziliontos

Municipal potable water tank monitoring: the system consists of a Raspberry B+ with UPIS power backup, a Teltonika twct22 controller, a USB<-->RS232 converter and a 3G USB stick (huawei modem firm), recorded parameter is 3G signal, refresh rate ~20sec

by sejl

Home energy monitoring system using CyBro PLC ( Sampling time: 20s.

by Slartibartfast

ESP8266 for Temperature logging for a solar water tank and the ambient conditions.

by critters

Monitors the pool and air temperature using an Arduino Pro Mini, ESP8266 WiFi chip, and a couple of DS18B20 temperature sensors. Samples and transmits the temperatures every hour. Running off a 500mAh lipo

by maly.japonec

Záznam stavu solárního ohřevu vody 300 litrového zásobníku se 2 výměníky, které se přepínají podle teploty uprostřed zásobníku. Kolektor je 30 vákuových trubic. Monitorovací aparatůra používá 1x ESP8266 + 4xDS18B20 + LDO + 3xAA. Bude rozšířeno ještě o 2 E