1.Introduction:
CAI-221 is a LED Dimming Table Lamp DIY Kit. Its design inspiration comes from the desk lamp commonly used in home/office.
It uses 24 pure white LED and adjusts the brightness of the lamp through a potentiometer.It is ideal for personal desktop lighting.
It is a very interesting DIY electronic product which enables users to understand the circuit more clearly and learn soldering skills.

2.Feature:
 PWM Adjustable Brightness. It uses PWM technology to achieve 0% - 100% seamless and smooth adjustment of brightness by adjusting the pulse width of PWM signal to 0% - 100%. It also can turn OFF lamp by potentiometer.

 Pure White LED. It uses 24 pure white LED and adjusts the brightness of the lamp. The lamp board is separated from the main control board.
 Flexible Lamppost. It adopts a 28cm flexible lamp post and users can adjust the light angle and height according to your own needs.

 Rechargeable circuit. It comes with a 18650 lithium battery charging module.It is convenient for table lamp to realize wire-free application and charging.

 DIY Soldering Project. It’s a DIY kit which comes with various components. User need to install each component by hand. It not only can exercise and improve soldering skills, but also increase the interest in electronic technology. Great for electronics hobbyists, beginners, school and home education.

3.Parameter:
1>.Item name: CAI-221 LED Dimming Table Lamp DIY Kit
2>.Model:CAI-221
3>.Work voltage:DC 3.7V-5V
4>.Work current:1.7A
5>.Work power:8.5W
6>.LED color temperature:6000-8000K
7>.Luminance:20-1000LUX
8>.Brightness Adjustable: 0%-100% PWM
9>.Turn ON/OFF Lamp: Yes
10>.18650 Battery: 1200mAh
11>.Housing material:Metal+ABS
12>.Work Temperature:-20℃~85℃
13>.Work Humidity:5%~95%RH
14>.Size(Installed):120x90x350mm

4.Component List:

6. Circuit

7. Installation Manual (please click and download from below):