Espresso · Hack · pre-infusion · pressure-profile · soft-infusion · Technique · Zhng

Espresso flow-rate control hack

In a previous post on the gravimetric espresso project, I gave a sneakpeek of the pressure controller (AC voltage controller) which is hooked up to the Ulka vibration pump. The AC voltage controller is commonly sold as ‘AC 0-220V 20A Pulse Width Modulator PWM Electric Motor Speed Controller’, and I’m going to demonstrate what is… Continue reading Espresso flow-rate control hack

Arduino · Automation · Espresso · Gravimetric · Hack · pressure profiling · Zhng

Gravimetric espresso mod – project updates #2

It was almost a year ago when I made a post on the gravimetric espresso project. I promised to provide demo video and after a year of procrastination, here is it! In this video you will find the following: How I use the OCD coffee distributor How I use The Force Tamper How to use… Continue reading Gravimetric espresso mod – project updates #2