Some people today acquire their coffee grinding significantly. So what do you do when the scorching new grinders mechanically weigh coffee, and yours doesn’t? Nicely, if you are like [Tech Dregs] and the relaxation of us, you hack your present grinder, of study course. The url is to the resource code, but for a swift overview, verify out the online video beneath.
In genuine hacker vogue, the very first buy of company was to pull a load cell out of a cheap scale. At first, he meant to reuse the processor inside, much too, but it was epoxied, so it was a excellent excuse to use some additional modules. A load cell amplifier, an OLED screen, and a little Xiao processor, which he describes as “ridiculous.” From the context, we feel he means ridiculously small in the physical sense and ridiculously strong for this kind of a very small board.
With the modules, the wiring was not also really hard, but you even now need some kind of application. Thanks to App Inventor, an Android application was a make any difference of gluing some blocks together in a GUI. Of course, the devil is in the specifics, and it took a whole lot of “focused cursing” to get everything performing accurately.
The coffee grinder has a relay to turn the motor on and off, so that’s the position the scale requirements to change the motor on and off. Conveniently, the grinder’s PCB experienced an unpopulated pin header for just this reason.
This is a single of all those very simple tasks you can use every day if you drink espresso. We are normally impressed that the infrastructure exists now and that you can toss one thing like this together in very little time without considerably difficulty.
WiFi hacking coffee makers is a well known Java job in these areas. Upgrading a device can get pretty really serious with PID manage loops and additional.
