Projects using the Teensy USB development board. USBrew. Minder. You. Tube Video. You. Tube Video 2. A bubble counter used to monitor fermentation progress making homemade wine. It could be used for making beer also. How To Read Teamviewer Log File'>How To Read Teamviewer Log File. Bannatyne Reading Program here. I/7145acLIxVL._SY463_.jpg' alt='Usb Mouse Trackball Hack: Full Version Software' title='Usb Mouse Trackball Hack: Full Version Software' />Projects Using Teensy This old page is no longer updated. We now show projects on the home page and blog. More Teensy projects can be seen on Hackster. Teensy section. This page is from my old website, and it is sort of popular, so Ive moved it here. A USB HID report descriptor is one of the descriptors that a USB host can. It minds my brew using a usb port. It continuously monitors alcohol percentage by counting carbon dioxide bubbles and then back calculating the amount of alcohol produced. The concept is fairly simple use an infrared LED emitter and detector pair placed on opposite sides of the fermentation lock. When a bubble passes by, it breaks the beam and sends an onoff pulse to teensy. On the PC side, a VB. Teensy at a specified frequency and reports back the number of bubbles counted and converts volume of carbon dioxide produced to mass of ethanol produced. Download Carlyle Thomas - El Culto De Los Heroes Pdf. I also included a graph and a dashboard to track progress over time.