MAVROMATIC for the DIYers, Makers and Electronics People

DIY: Building a Mini (220mm) Quadcopter Part 4 – The Battery

DIY, Electronics, Fun & Games, Hacks & Mods, Kids, R/C Models
May 12, 2014 No Comments

(This is part of a multi-part series on building a FPV mini 220mm quadcopter)

You need batteries to fly a quadcopter. The battery we selected will be used to power the receiver, flight controller, the OSD, FPV video camera/transmitter and to power the four motors that spin the propellers and give the quadcopter the lift it needs. As you can see, the battery is very important and also adds the most weight per single item. We've selected the Turnigy nano-tech 1500mah 3S 35~70C Lipo Pack to power our copter.

Tags: 220mm, battery, controller, copter, fpv, lipo, mini, model, quadcopter, quadcopter build, rc, xt60

DIY: Building a Mini (220mm) Quadcopter Part 3 – Transmitter & FrSky D4R-II Receiver

DIY, Electronics, Fun & Games, Hacks & Mods, Kids, R/C Models
May 10, 2014 No Comments

(This is part of a multi-part series on building a FPV mini 220mm quadcopter)

These next parts aren't really that exciting but much needed for controlling the quadcopter. I already have a Futaba 9C controller that features a neat little module system. So I just needed to purchase a FrSky Transmitter Module that works with my Futaba controller -- the FrSky FF-1 2.4Ghz Combo Pack for Futaba w/ Module & RX), it's only $39 for the kit.

Tags: 220mm, arduino, controller, copter, fpv, futaba, mini, model, quadcopter, quadcopter build, rc, receiver, transmitter

DIY: Building a Mini (220mm) Quadcopter Part 2 – Minim OSD v1.1

DIY, Electronics, Fun & Games, Hacks & Mods, Kids, R/C Models
May 9, 2014 No Comments

Since I'm building a FPV (first person video) based quadcopter, I need something that will display the copters telemetry a display or goggles. I'm going with the Minim OSD v1.1. I like that it is a mini Arduino (328P) based on-screen display board.

Tags: 220mm, arduino, copter, fpv, mini, model, OSD, quadcopter, rc

iOS 7.1.1 – Battery Draining!?

Cell Phones, Electronics, Rants / Thoughts
May 9, 2014 No Comments

After updating to iOS 7.1.1. my iPhone 5 battery seems to be draining within a day. It starts at 100% in the morning and by the next day it’s completely drained. Apparently others report having this same issue at Apple Support Communities (here, here, and here) but nothing yet from Apple.

Tags: 7.1.1, apple, battery, battery drain, battery drainage, battery draining, draining, ios, iOS 7.1.1, iOS 7.1.1 battery life, iphone

DIY: Building a Mini (220mm) Quadcopter Part 1 – Flight Controller

DIY, Electronics, Fun & Games, Hacks & Mods, R/C Models
May 8, 2014 No Comments

Thanks to Steve and his mini quadcopter FPV videos -- I'm going to build one for myself! Over the next few weeks/months, I will be chronicling my adventures of selecting and sourcing parts for the copter (with Steve's input/help). Tags: 220mm, mini, model, quadcopter, rc

Quadcopter Video Over Gas Works Park, Seattle

DIY, Electronics, Fun & Games, Hacks & Mods, Kids, R/C Models, Videos
May 8, 2014 No Comments

My buddy Steve over at Finkbuilt just posted a new video on his YouTube channel he shot from his 250 sized Quadcopter and it's spectacular! Steve took this video at Gas Works Park on a nice sunny Seattle day capturing the experience in HD. He gets around a 6 minute flight time from the copter he built. I'm hooked -- Steve, I want one!! Tags: finkbuilt, fpv, models, quadcopter, rc, Video

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