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Coffee bean roasting system transformed from popcorn machine

Coffee bean roasting system transformed from popcorn machine

Transformation materials: 1, small popcorn machine, plus postage 90 yuan to have change. 2. The aluminum foil cover, which is instead of the original plastic windshield, could not withstand a high temperature of more than 200 degrees Celsius and melted during the test. 3. Arduino controller. 4. Temperature sensor module, which is used to monitor the real-time temperature inside the machine. 5. Relay module. Used to control the current on and off. 6. No

2015-10-28
Several problems that should be paid attention to in coffee roasting what if the temperature of the oven is too high?

Several problems that should be paid attention to in coffee roasting what if the temperature of the oven is too high?

In order to do a good job in baking, every production link can not be ignored, the selection of materials should be fastidious, the weighing of materials should be accurate, and the operation should be careful. Baking is a science. To understand the principle of baking, we must first understand the three ways of heat conduction, convection and radiation. Conduction refers to when the heat is transmitted by the heat source, causing the surrounding molecules to vibrate and release heat, gradually moving from the high temperature to the low temperature. The transmission of stainless steel

2015-09-21
Have you heard of the five steps of coffee? how to make coffee?

Have you heard of the five steps of coffee? how to make coffee?

1. Storage temperature when your coffee beans need a storeroom, long-term storage will slowly reduce the flavor of coffee beans. But most importantly, do not use cold or frozen methods to store your coffee beans, drastic temperature changes will greatly damage the taste and aroma of coffee beans. two。 Freshly ground a good cup of coffee must use freshly ground coffee powder, because once coffee

2016-06-12
How to make the perfect espresso

How to make the perfect espresso

Many people like to drink coffee, for how to make a perfect cup of espresso, many people are not very clear, Sina Weibo @ Hunan Liu Yang specially organized for everyone as follows:

2014-07-18
4 Tips for Making Good Coffee

4 Tips for Making Good Coffee

Let's take the most popular Italian coffee as an example to explain the essentials of production in detail. To make a good cup of coffee, there are four elements: the choice of coffee machine, the quality of coffee beans, human factors, environmental changes, and any of the above factors are indispensable. Coffee machine selection 1. Boiler capacity: boiler capacity is large, the outlet water temperature is more stable, coffee quality is also more stable

2015-08-03
General knowledge of roasting of coffee beans introduction of roasting methods by roasting machines

General knowledge of roasting of coffee beans introduction of roasting methods by roasting machines

First, when the preheating temperature of the oven is not enough, the coffee beans are immediately put into the oven, which prolongs the baking time. Therefore, the baking loss is large, and the color of coffee beans is light, which is due to the lack of heat and the lack of full coking of the skin, resulting in a lack of color and rough internal tissue. Second, the temperature of the oven is too high, the surface of coffee forms hard skin prematurely, which suppresses the expansion of internal tissue, and because of its surface.

2016-07-13
Introduction to temperature and time difference in Coffee roasting

Introduction to temperature and time difference in Coffee roasting

Coffee roasting is a skill that is easy to learn but difficult to master, which requires long-term training and the accumulation of knowledge about coffee beans. Through the roasted coffee beans for beans, cup testing, communication of the actual combat link, so as to analyze the beauty of the coffee in the cup! The following is the coffee bean in the roasting process with the extension of time, the increase of coffee bean roasting temperature, coffee bean color change, to make a good coffee

2015-09-01
Four steps to making a good cup of coffee

Four steps to making a good cup of coffee

Let's take the most popular espresso as an example to explain the essentials of making espresso in detail. There are four elements to make a good cup of coffee: the choice of coffee maker, the quality of coffee beans, human factors, changes in the environment, all of which are indispensable. The choice of coffee maker 1. Boiler capacity: if the boiler capacity is large, the effluent temperature is stable and the coffee quality is stable.

2014-09-30
What are the steps of how to make a cup of fine coffee?

What are the steps of how to make a cup of fine coffee?

1. Storage temperature when your coffee beans need to be stored, long-term storage will slowly reduce the flavor of the coffee beans. But most importantly, do not use cold or frozen methods to store your coffee beans, drastic temperature changes will greatly damage the taste and aroma of coffee beans. two。 Freshly ground a good cup of coffee must use freshly ground coffee powder, because once coffee

2016-06-12
Properties of coffee beans during roasting

Properties of coffee beans during roasting

{attributes of coffee beans during roasting} the process of roasting beans is the main process of heating raw beans and developing the aroma and taste of coffee. The aroma and taste emitted are determined by the original characteristics of each kind of raw bean. The depth of fried beans depends on the type of raw beans, market demand or the way they are cooked. What kind of baking machine controls the depth of fried beans. Even if the chemistry of all kinds of raw beans

2016-04-26
The taste of coffee has a lot to do with the water temperature of making coffee. The temperature will have a different flavor.

The taste of coffee has a lot to do with the water temperature of making coffee. The temperature will have a different flavor.

Is your coffee sour? Boiling water to the bottom of caffeine, right? The popularity of hand-brewed coffee has made many friends who used to drink only instant and Xing dad have a hard time. Frankly speaking, how many people drink the first sip of boutique coffee (that is, coffee made from boutique coffee beans, mainly by hand-brewing coffee to restore the coffee beans themselves?

2015-12-11
Several factors that determine the quality of Espress

Several factors that determine the quality of Espress

The production of Espresso is an art that requires precision and patience. Maybe it's because there are so many factors that affect the production of Espresso that we can have a lot of fun when we use our brains and emotional hearts to control its complexity. The following 12 factors and problems will directly affect the perfection of Espresso! First, directly affect Espresso1

2015-11-16
Four essentials for making a good cup of coffee the coffee machine is very important

Four essentials for making a good cup of coffee the coffee machine is very important

Let's take the most popular espresso as an example to explain the essentials of making espresso in detail. There are four elements to make a good cup of coffee: the choice of coffee maker, the quality of coffee beans, human factors, changes in the environment, all of which are indispensable. The choice of coffee maker 1. Boiler capacity: if the boiler capacity is large, the effluent temperature is stable and the coffee quality is stable.

2015-02-26
Coffee properties of coffee beans during roasting

Coffee properties of coffee beans during roasting

The process of fried beans is the main process of heating raw beans and developing the aroma and taste of coffee. The aroma and taste emitted are determined by the original characteristics of each kind of raw bean. The depth of fried beans depends on the type of raw beans, market demand or the way they are cooked. What kind of baking machine controls the depth of fried beans. Even though the chemical and physical components of various raw beans are different, these ingredients

2015-03-05
Properties of coffee beans during roasting Coffee roasting tips

Properties of coffee beans during roasting Coffee roasting tips

The roasting process is the main process in heating green beans to develop coffee aroma and taste. The aroma and taste emitted are determined by the original characteristics of each raw bean. The depth of fried beans depends on the type of raw beans, market demand or cooking method. Which baking machine is used to control the depth of fried beans. Even though the chemical and physical components of the various raw beans themselves are different, these components

2015-04-14
The water temperature for making coffee is Italian commercial blending of coffee beans, espresso latte pull.

The water temperature for making coffee is Italian commercial blending of coffee beans, espresso latte pull.

The production of Italian coffee (the production of espresso) the coffee machine puts water to cool down and get the appropriate extraction water temperature. As we said before, the water used to extract coffee is not boiled water, but hot water of about 90 degrees Celsius, while most coffee machines are in the state of turning on, and the water temperature will be too high after being idle for a period of time. If this part of water is directly used for extraction, it will definitely cause excessive extraction or.

2016-07-12
Five key steps in making coffee

Five key steps in making coffee

1. Storage temperature when your coffee beans need a storeroom, long-term storage will slowly reduce the flavor of coffee beans. But most importantly, do not use cold or frozen methods to store your coffee beans, drastic temperature changes will greatly damage the taste and aroma of coffee beans. two。 Freshly ground a good cup of coffee must use freshly ground coffee powder, because once coffee

2014-05-20
Coffee making skills four essentials for making a good cup of coffee

Coffee making skills four essentials for making a good cup of coffee

Let's take the most popular espresso as an example to explain the essentials of making espresso in detail. There are four elements to make a good cup of coffee: the choice of coffee maker, the quality of coffee beans, human factors, changes in the environment, all of which are indispensable. The choice of coffee maker 1. Boiler capacity: if the boiler capacity is large, the effluent temperature is stable and the coffee quality is stable.

2014-11-25
Make a cup of fine coffee, make coffee at home, learn coffee, learn coffee knowledge.

Make a cup of fine coffee, make coffee at home, learn coffee, learn coffee knowledge.

1. Storage temperature when your coffee beans need to be stored, long-term storage will slowly reduce the flavor of the coffee beans. But most importantly, do not use cold or frozen methods to store your coffee beans, drastic temperature changes will greatly damage the taste and aroma of coffee beans. two。 Freshly ground a good cup of coffee must use freshly ground coffee powder, because once coffee

2016-06-15
On the water temperature of coffee extraction Robusta concentrated extraction water temperature

On the water temperature of coffee extraction Robusta concentrated extraction water temperature

Just after two o'clock in the afternoon, the room crawled into the lazy sunshine like the setting sun. Punch a pot of Kenyan AA, with the smell of wine between lips and teeth, tapping on the keyboard. Today, I'm here to talk to you about the water temperature when making coffee. Whether it is hand-brewed, siphoned, semi-automatic or fully automatic coffee machine, coffee extraction requires contact between water and coffee powder.

2015-11-10
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