Burned out 12w gu10 led spot light dismantled – problem found
This 12W GU10 LED spot light burned out after several hours of use. Took it apart to find out what…
How to remove snow from solar panels – fast
Snow on my solar panel is blocking the light so the battery isn't charging properly. No point messing about with…
Are gu10 led spot light bulbs inherently safe or dangerous?
After discovering an alarmingly dangerous GU10 LED spot light, I decided to look more closely at the typical electronic circuit…
Dangerous gu10 led spot light is cheap and bright but could kill you – seriously
Help support Julian's LED videos on Patreon: https://www.patreon.com/julian256 This GU10 LED spot light is cheap (£3 including postage) and bright.…
Ridiculously cheap voltage regulator board uses lm2596 smps chip
There must be hundreds of thousands of these little switched mode regulator modules in China just waiting to be posted…
Diy ipod camera stand with close-up lens for making youtube videos
Make your own iPod or iPhone camera stand for shooting YouTube videos. Made from bits of wood and metal brackets…
110ah car battery connected to 80w solar panel
A friend gave me this massive 110Ah car battery which I've connected to an 80W solar panel using a PWM5…
Comparing two cheap led voltmeters with 3 decimal places accuracy
Found these two LED voltmeters on eBay for less than £5 including postage. They measure from 0v to 3.3v. Bought…
How to drive high power leds at maximum brightness
To drive this 3 Watt LED safely two things are needed - adequate heatsinking and a current limited regulator.
Led 9w energy saving gu10 bulb has 60 smd 3014 leds 100w equivalent
This 9W LED spot light is bright and has a wide dispersion. It features 60 surface mount 3014 LEDs (3.0mm…