![]() ![]() These temperature variations make it very hard to get a good espresso shot at the right temperature, which has a huge effect on the taste. ![]() This means that every time you pour an espresso shot, the temperature will be different. Once turned off, the temperature will continue to climb up to ~114☌ and only then it starts to cool down. Silvia’s original brew thermostat turns the boiler on at around 90☌ and turns it off around 100☌. Safety thermostat (cuts the power if the boiler reaches 165☌).Brew thermostat 100☌ (marked with red dot).Why would I modify my working espresso machine? I bought my new Silvia E v5 in 2019 and it is still working as new, so why would I modify it? The Silvia has 3 thermostats in it: More mathematical information can be found on Wikipedia. I am going to use the Arduino PID library to control the temperature of my Rancilio Silvia coffee machine. What is a PID controller? A proportional-integral-derivative controller (or just PID controller) is used to regulate speed, temperature, pressure or other process variable with high accuracy and stable results. Make sure to disconnect the machine from the power line before working on it. Any modification to the machine might void the manufacturer warranty. ![]() Any modification to it might be fatal to you or your machine, you act at your own risk and responsible for your modification. ![]() Warning The Rancilio Silvia machine runs on high voltage. ![]()
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