Faulty HDD Power Supply This external hard drive power supply was unreliable suggesting a bad solder joint was the cause. It is rated to supply 12V DC at 2A and 5V DC at 2A. Inside Inside is a typical budget switch-mode power supply. The through-hole components make it appear quite […]
I think I’m going to have to pull finger and look at building a simple RTL controller for RC model planes. This post is a series of notes just to put it all in one place and provide some food for thought. Comments or questions are welcome. So what is […]
Corona CT8J Module I’m using a Turnigy 9X transmitter with ER9X firmware and a few different transmitter modules including this Corona DSSS 2.4G. I recently had a few control problems with the Corona DSSS system and finally noticed that tapping the module could make or break the RC link. […]
It’s amazing how many of the tech-talks are poorly recorded. Considering all the experts that must be floating around and the huge community of follow up listeners, you’d think they could at least get the audio levels right. It’s also interesting, actually sad, how many of the speakers try to […]
After 10 or more years of operation there are probably many Smart House or Kristil home automation systems that are beginning to act up. One cause can be ageing power supplies. The older power supplies, some linear and some switch-mode have been operating 24/7 and may have been running warm. […]
