Products

Power supply module tested

I needed a new small power supply for my electronics project table. I was checking several options for a lab power supplies, but when I saw DC-DC Step Down Power Supply Adjustable Module With LCD Display With Housing Case I decided that I could use it to build easily the power supply I need. In

Netcon GW502 found to be “competently hardened”

I work for Netcontrol that makes provides energy network automation solutions for utility communication, distribution automation, substation automation, and control centers. I have done lots of work with their embedded systems and their security. And I write to this blog actively covering many topica from electronics to network security. Now some news from my daily

Second bad fluorescent starter

On my earlier Bad safety starter posting I told about problems in one electronic fluorescent starter Axxel S10. I was wondering if this was a problem was on just this one unit I had or was it a more widespread problem problem (manufacturing or design error). Now I suspect manufacturing or design problems, because second

Bad safety starter

In my earier posting LED tube replaces fluorescent I wrote that due real Fluorescent lamp fire danger I have pretty much tried to get rid of potentially dangerous tradtional starters in the fuorescent lamps. So I replaced the starter with electronic safety model – if bulb does not start, it will stay off without heating.

LED tube replaces fluorescent

Due real Fluorescent lamp fire danger I have pretty much tried to get rid of potentially dangerous tradtional starters in the fuorescent lamps. So I replaced the starter with electronic safety model – if bulb does not start, it will stay off without heating. Or at least should. I got one Axxel S10 starter that

Usb to ps2 adapter fail

I bought usb to ps2 keyboard plus mouse adapter “USB Male to PS2 Female Cable Adapter Converter Use For Keyboard Mouse” from Banggood to connect some older hardware (especially on old bar code reader with PS/2 keyboard interface) to new computer. This particular USB Male to PS2 Female Cable Adapter Converter Use For Keyboard Mouse was

Qi charge transmitter

I found out that I need more chargers than my Ikea lamp with Qi charger.  I planned to try how well less expensive Qi chargers work, so I bought  AUDEW Q5 Universal Qi Wireless Charger Charging Pad Transmitter. Banggood sells that at cheap price less than 4 Euros. So it is really cheap, and hopefully

Qi wireless charging receiver

I started testing Qi wireless smart phone charging some time ago. I have already posted my comments on IKEA lamp with Qi charger and now here are comments on some other products I have tested. The smart phones I had did not have built-in Qui charger electronics, so I has to find a way to

Ikea lamp with Qi charger

Ikea is pushing heavily Here is IKEA LED desk lamp with built in Qi charging. There is LED bulb with button on top for on/off. There is also USB power connector in the front of the base. Here is Qi charger. Small white LED lights up when charger on. It works as promised. Power supply

Apple AC adapter callback

Remember the Apple AC adapters with the swappable prongs? The little plugin piece would slide so conveniently into the charging side? You might use such adapter with your iPhone, iPad or Mac computer. Your Apple AC Adapter Might Have Been Recalled. Apple said today that some of the AC adapters where you can swap the