Search Results for "pressure"

OpenMQTTGateway project goal is to concentrate in one firmware different technologies and protocols, decreasing, by the way, the number of physical bridges needed, and hiding the different technologies singularity behind a simple & widespread communication protocol; MQTT. MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ...

Speedframework is a lightweight persistence framework completely based on JDBC. it supports direct SQL invocation, as well as CRUD on POJO which codes is as ORM. JCS cache system has been embedded with which speed could reduce the pressure of Database

Smart Home Automation Arduino Mega IoT Rev87 of C++ Start 4 Oct 2016 Cape Town, South Africa 9 x 305W Canadian Solar PV panels Microcare 60A MPPT 8 x Sonic 105Ah Gel Batteries MLT Drives 4KVA Pure Sine Wave inverter Flat Plate thermo syphon solar collector and GeyserWise Aduino Mega , sensors and 8ch relay board .75KW pump with pressure/low level/ overcurrent Annual average daily power usage before PV 7kWh per day Post installation approx 15kWh per day . Payback period approx 5years at 7kWhpd then approx 20years “free power” Work in progress. Rev 86 of software development 3. Challenges, 1. RS232C comms to MPPT( to download Battery V and Current and PV power) 2. ...