Unexpected source of a rechargeable lithium cell.
Now that electronic cigarettes have reached the point where you can buy a complete disposable one in pound shops (dollar…
A look inside a lithium battery cell.
I took apart a dead electronic cigarette and found the internal 140mAh lithium cell was completely flat so I decided…
Test video. camera upload.
A quick test to see if a short video recorded on my phones "selfie" camera will upload to YouTube OK.…
A look at the insides of a public toilet ozone generator.
Here in the UK they sometimes use low output ozone generators in public toilets to reduce odours instead of just…
How to refill an aerosol air freshener with essential oils.
This rather dubious project involves getting a standard continuous-spray air freshener can and refilling it with aromatic essential oils before…
A look inside a 20w green led floodlight.
This floodlight is different from the earlier ones in that it is based on a single flatter housing with both…
A look inside a typical 10w led floodlight.
This is a look inside a typical 10W LED floodlight. These lights tend to have a back and front assembly.…
Teardown of a 5w rolson gu10 led lamp.
I spotted this in TK Maxx today and spontaneously bought it to take to bits. Ronson is a generic tool…
Teardown of a 3w ultraviolet gu10 lamp.
This lamp is pretty much a standard LED GU10 lamp fitted with UV chips. It uses a more complex heatsink…
Teardown of a 5w gu10 led hydroponic grow lamp.
For a start it's worth mentioning that the lamps actual power consumption is just 1.9W! Certainly not the 5W stated…