Thứ Sáu, 31 tháng 3, 2017

Waching daily Mar 31 2017

hi today i got an emergency light with fluorescent tubes

when we plug it in the charger light lights up but not the fluorescent tubes

Let's check the fluorescent tubes if they work

to measure them we have to put your multimeter to the continuity mode

they both work

let's open the other side and have a look inside

measure the battery

and it is bad

let's see if we have any problem in our circuit

lets try adding some batteries to see if the battery was the only problem

it works :D

this lamp is mine and i'm going to power it up with a charger and use it with a cord

the stand by voltage of the battery is 9v so we have to use a 9v power supply

the connector is used was bad that's why it doesn't light

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