/r/drones: for news, information and discussion of drones/UAVs and quadcopters. Includes multicopters, rotorcraft, copters, gliders, multirotor aircraft and any form of unpersoned remote-control or robotic drone that flies, swims, walks or jumps.
The DJI phantom is a ready to fly, multi-rotor system, built for aerial filming and photography. With software balanced flight systems, multi-axis gimbals, advanced safety features, and several camera options across different models, the DJI Phantom is one of the best consumer quadcopters in the world.
If you have a part or craft you are trying to [SELL] of to make room, get some funds, or just to build a better craft, then post your ad here. [WANT] Ads are also allowed, so feel free to post to find if there's someone that's willing to sell just the part you need. [TRADE]s are also welcome, just make sure you state what you wish to trade for or at least a general idea.
Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. AskEngineers is a forum for questions about the processes and standards used to build these systems, as well as for questions about the engineering profession and its many disciplines.
A subreddit for the low-cost software defined radio (SDR) community. While originally dedicated to the [RTL2832U USB rtl-sdr](http://sdr.osmocom.org/trac/wiki/rtl-sdr) project, relevant content related to general SDR, RF, and similar projects are also welcomed.
Welcome to Reddit's own amateur (ham) radio club. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. All topics relating to the hobby are welcome here, from purchasing and building equipment, to operating techniques and activities, and everything in between.