How to Make a Automatic Emergency Lamp
by EDISON SCIENCE CORNER in Circuits > Electronics
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How to Make a Automatic Emergency Lamp
so in this instructable i am going to show how to make a simple eautomatic emergency lamp
*supersimple
*pocket sized
*rechargerable
*automatic
Watch Video Tutorial
Components
1.LDR
LDR is a variable resistor
The resistance of a ldr decreases with increasing incident light intensity
2.transistors
2n3906,bd139
3.10k resistor
4.3.7 li.ion battery
5.tp4056 li.ion charging module
6.led strip
Circuit Diagram
Breadboard Connections
Connection of Battery and Charging Module
Making the Case
i used mdf to build the case
please watch the video click