Tag Archives: automation

OpenSprinkler Firmware 2.1.1 new feature: Control remote power sockets

in open source, RF by DP | 0 comments

We previously covered Ray’s OpenSprinkler. Now it has added a new feature to remotely toggle radio frequency power sockets: This allows OpenSprinkler to not only switch sprinkler valves, but also easily control powerline devices such as lights, heaters, pumps, fans. … Read more

OpenSprinkler Firmware 2.1.0 released

Ray Wang from RaysHobby announces the release of OpenSprinkler Firmware 2.1.0. OpenSprinkler is an open-source, Arduino-based, web-connected sprinkler controller. This new firmware is a major upgrade that introduces a number of new features, including automatic weather-based watering adjustment (using real-time … Read more

App note – Distribution automation and the smart grid: Coming of age with a new set of challenges

in app notes by DP | 0 comments

Another good app note from Maxim – Distribution automation and the smart grid: Coming of age with a new set of challenges The combination of aging electricity grid infrastructure and renewable portfolio standards present new challenges in the distribution automation space worldwide. … Read more

Arduino-controlled espresso machine

in Arduino, hacks, robotics by the machinegeek | 3 comments

Gleb Polyakov and Igor Zamlinsky of Atlanta, GA have designed this proportional-integral-derivative (PID) controlled espresso machine. Based upon their observations after reverse engineering a number of espresso units, the pair worked on developing a machine which would be reasonably priced, … Read more