The JBL Horizon 2 FM, a Bluetooth speaker that doubles as an alarm clock, is down to a very affordable price of $32 from JBL. That’s $88 in savings, but we’re not sure how much time is ...

For [Johan]’s project, he’s doing just that, tapping into one of the leads on the ionization chamber, measuring the current through the buzzer, and adding a microcontroller with Bluetooth ...