Usually USB hubs are not designed to power anything else from the USB devices such as pen drive or your keyboard and mouse. Those USB hubs generally can provide maximum 500mA current. However the Raspberry …

The MultiWii flight control software has the built-in functionality of using an attached LCD for viewing and adjusting PID settings. That would make tuning PID values so much easier without connecting to the computer and use the …

What is BJT? BJT (bipolar junction transistor) are widely used an amplifier, oscillator, switch etc. It is a current-driven device (MOSFET is voltage driven), the output current is equal to the input current times a factor which …

FPV is one of my ultimate goals flying a quadcopter. The quadcopter FPV videos are just so amazing! You need at least a video receiver, transmitter and a camera for the FPV system, and it …

For many people who aren’t familiar with electronics often struggle to decide whether to use BJT or MOSFET in their projects. In this article I will explain the differences between BJT and MOSFET and help …

This design prevents the propellers showing up from the FPV camera. The frame is 326 grams. However the pilot warned that this should be not flied with any other flight controller.

I will show you a few ways to Format, Backup (Clone) and Restore a SD card for the Reaspberry Pi. Format Raspberry Pi SD card Simplest way to format your card is in Windows 7, …