While waiting for support yesterday, I had a great idea. New for 2015 – high capacity cordless phone for those hours spent on-hold waiting for your ISP, courier company or other service provider. A massive 7Ah of on-hold capacity and long-range enhanced antenna for short trips to pick up survival […]
What’s the plan I have a cabinet containing a few small servers, cable modem, router, switches etc. and the hub of a security DVR system. Externally, a couple of wifi APs and IP cameras running on a DIY POE. In total it consumes about 250 watts and was running off […]
Low voltage DC I want to power a ATX PC that runs 24/7 and draws about 100 watts from the mains power supply from a 24V DC battery supply. Being a battery supply, the voltage can vary from a low of 18V up to a high of 28V. The 24V […]
I have been considering replacing fluorescent tube and compact fluorescent lights with LEDs. So I decided to do a quick test with some LED strip. This picture shows the fluorescent tubes on and the LED strip dimmed to a low setting. The LED strip is stuck to the side of […]
Just sitting there it went poof I was about 3 metes from the quad playing with the Multiwii Android app on the phone. The quad on the floor by the door and powered up with a 2200 3-cell Lipo. The app alarmed and said “no data received”. When I looked […]
More trouble with interference – Jan-2017 Over the last couple of weeks known control issues include: one helicopter crash, three planes crashed, one quad-copter loss of control and one quad-copter lost in the hills. The lost quad was possibly due to interference. This prompted me to have another look at […]
Can the control frequencies be changed to allow more than 2 tanks to operate at the same time? These are supplied in pairs, one on 27MHz and one on 40MHz. Conclusion Not practical; without finding out about the receiver IC, ABERX69A. Google returns no info. Transmitter The transmitter uses a […]
Buying Antennas – the first mistake I got a couple of these TS350 10mW 5.8GHz FPV transmitters from Hobbyking and a set of these circular polarized antennas with SMA connectors (pin centre). These were the wrong antenna connectors, I should have got the RP-SMA (hole in centre) type; these. Because […]