Technology

The Walking box robot

The Walking box robot

Ryan writes – “In robotics, there is always a need to control motors. One of the simplest source of mechanical power is a servo. However, if you’ve ever programmed a microcontroller to run a servo, you probably know that anything beyond a couple channels is not the most trivial thing to do. Doing it on […]

Personal cell phone repeater

Personal cell phone repeater

We get a lot of questions about cell phone repeaters and this is one that might be interesting to check out (and take apart)… DA4000MR Wireless – no connections to cell phone Increases cell phone range up to 50+ miles Amplifies 800 and 1900 MHz bands Use multiple cell phones and carriers at the same […]