Automation · Espresso · Espresso, BZ13 · Gravimetric · Hack · pre-infusion · pressure profiling · pressure-profile · soft-infusion · Technique · Zhng

Espresso Pressure control hack

Continuing from the previous post on flow-rate hack and gravimetric espresso project, I have been able to control the pre-extraction flow-rate, extraction flow-rate and extraction pressure of the espresso using a low-cost hack. Disclaimer: I am not liable for any damage, death or injury caused through the use of this hack. The AC voltage controller… Continue reading Espresso Pressure control hack

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

Espresso · froth · Hack · latte · Technique · Zhng

Milk pitcher built-in thermometer mod

Remember how  we started frothing earnestly with thermometer hooked onto the milk pitcher every-time? And then we progressed to a stage where the the thermometer is no longer necessary because we have learnt to recognize the temperature with our hand? It is also an excuse because the thermometer creates more hassle and not forgetting the extra… Continue reading Milk pitcher built-in thermometer mod

Drip · Espresso · Melbourne · roasting · Travel

Travel Melbourne – Aunty Peg’s,Proud Mary, Manchester Press, Sensory Lab and Market lane

I was in Melbourne with my wife and our friends in mid-Jan for eight days of work+holiday fun. We managed to steal about a day away from the group for serious coffee hunting adventure! These are the cafes/roastery we visited out of the huge 2013 list indicated in the Broadsheet’s Melbourne Specialty Coffee Map. They… Continue reading Travel Melbourne – Aunty Peg’s,Proud Mary, Manchester Press, Sensory Lab and Market lane

Automation · Drip · Espresso · SCF2016

Singapore Coffee Festival 2016

How did you spend the weekends? My friends and I who are coffee addicts and home baristas visited the Singapore Coffee Festival (SCF) last Saturday. We arrived at the exhibit area at about 12-PM and spent nearly 4-hours in the hall. True to the reviews you might have read online, the queues and crowds could… Continue reading Singapore Coffee Festival 2016

BZ13 · Espresso · Espresso, BZ13 · product review · Technique

Experience with the OCD coffee distribution tool

ONA coffee released the OCD coffee distributor tool soon after Sasa Sestic  won the champion title in World Barista Championship 2015. According to ONA’s page, the tool was conceived in  2012 and it was used in Sasa’s WBC2015 winning presentation. Check out the presentation video, it is worth the 15-min! The OCD distribution tool is… Continue reading Experience with the OCD coffee distribution tool

Automation · Drip · Espresso · FHA2016

Food and Hotel Asia 2016

FHA2016 which runs from 12-15 April is the largest trade show on food and hospitality in Singapore. One of the specialised event of FHA2016 is Speciality Coffee & Tea 2016. I’ve to thanks Mr Cedric Tan, a esteemed barista and coffee cupper, for providing me with the access to FHA2016. I visited Day-1 of the… Continue reading Food and Hotel Asia 2016

Espresso · Japan · Tokyo · Travel

Travel Japan – STREAMER COFFEE COMPANY

Continuing from the last blog post on specialty coffee in Japan, another cafe we visited is located about 20-min walk from the Shibuya station. Streamer coffee company is perhaps more well known for their elaborated latte art. Hiroshi Sawada, the owner of Streamer coffee company who was not present during our visit, is also the… Continue reading Travel Japan – STREAMER COFFEE COMPANY

Arduino · Automation · BZ13 · Espresso · Hack · volumetric

zhng the espresso machine

“Zhng” (Verb) – an action to modify, usually used to indicate the intention of vehicle modification. I’m a software engineer and computer scientist by training, hence I love the challenge of solving technical challenge. Recently, I’ve started experimenting with various ways to measure extraction of espresso. This photo shows a flow meter placed between the… Continue reading zhng the espresso machine