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 →
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. →
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 →
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 →
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 →
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 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 →
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 →
As the shadow of Black Friday passes behind us, almost everybody looking forward to the upcoming holidays. Typical Christmas/Chanukah/Kwanza plans include putting a little hope under someone else’s tree. The shops try to benefit from this.There’s positive outlook for holiday sales this year and consumers are making their purchases across multiple channels. It seems that →
This is the second posting on NodeMcu robot kit: DIY NodeMCU Lua 2WD Open Source ESP8266 WiFi Smart Car Kit. The first posting was a about what you can find inside the kit, and it ended to this picture that shows the parts in the kit When all the parts are now available, the next task →