open source water boiler controller

We expect working units of two hours.

We expect to have time for two units per week.

Below you find a plan that shows what to do in the next 20 units.

Unit - Task

1 buy the wired sensor + two 2-digit displays

2 measure temperature

2 control a relay triggered by temp

2 connect LED indicating whether relay is turned on or off

3.0 buy shift registers to drive 7 segment displays

3.1 connect 7 segment displays and display values from 0 to 99

4 show temperature on display

5 connect two buttons to increase/decrease a value

5 use interrupts

5 show value changed by button on display

6 develop 230v circuit

7 develop 230v circuit

8 integrate

9 integrate

10 connect everything and test it

11 design case

12 blender

13 blender

14 blender

15 blender

16 model case

17 model case

18 model case + send to printing

19 build stuff + test

20 drink mate!