Tea Maker

Tea Maker Basic Data Category: 3D printer URL (first publication): https://www.smarthomatic.org/devices/tea_maker.html Project status: Technical documentation Maturity of the project: no no no Other Assembly instructions are editable: Bill of materials is editable: Design files are in original format: No Free redistribution is allowed licence: No Project management Open-o-meter: 0 Product category: Electronics Contains original non-electronic hardware: Contains original electronic hardware: Contains original software:

Description

Basics

Devices

Integration

Development

SHC Tea Maker

Tea Maker

(In early implementation phase)

Purpose

The tea maker consists of a control unit, a heating plate to heat water in a tea pot, a winch to put a tea bag or other tea container into the water, a sensor measuring the water temperature, a display and some navigation buttons for user input.

Requirements & Development Process

After writing down things I wanted to implement for the tea maker, I thought about it and started writing a thorough and complete list of requirements which I'm now very happy about. After thinking about what to implement first, I created a small feature list. Then I thought about the development approach in general and decided to write down a now used for the development of the tea maker. Please read it to better understand the lists below.

Functions, Behavior

Here's the WBS of the tea maker to track development progress. Only bugs are entered in GitHub and visible at the .

Status Model

• Implementing: Implementation was started, but tesing of the feature is not possible yet.
• Testing: Implemented / built up (in SW / HW / ME), feature can be tested.
• Done: Testing done (for now), feature available to end user, but may contain bugs.
• Verified: Feature covers all requirements, no known bugs, 100% ready for productive use.

Tea Maker Menu Flow

E2P Device Configuration

Hardware Overview

PCB	Tea Maker PCB () 100 x 50 mm
Microcontroller	ATMega 324PA (40-pin TQFP)
Clock Source	10,24 MHz external quartz
RFM Transceiver Mode	RX + TX
UART	only debug TX
Power	5V power supply

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