PBL-20S is a Five-Pointed Star Breathing Light DIY Kit.
It is a simple breathing light and Its brightness automatically fades.
1>.20pcs highlight green LED
2>.Perfect simple circuit
4>.Comes with battery box
1>.Product Name:PBL-20S Five-Pointed Star Breathing Light DIY Kit
3>.Work Voltage:DC 4.0V~6.0V
5>.Power Type:Battery Box
1>.Training welding skills
1>.User needs to prepare the welding tool at first.
2>.Please be patient until the installation is complete.
3>.The package is DIY kit.It need finish install by user.
4>.The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.
5>.Pay attention to the positive and negative of the components.
6>.Strictly prohibit short circuit.
7>.User must install the LED according to the specified rules.Otherwise some LED will not light.
8>.Install complex components preferentially.
9>.Make sure all components are in right direction and right place.
10>.Check that all of the LED can be illuminated.
11>.It is strongly recommended to read the installation manual before starting installation!!!
12>.Please wear anti-static gloves or anti-static wristbands when installing electronic components.
6.Installation Steps(Please be patient:)
Step 1: Install 20pcs SMD 0805 Green LED at LED1-LED20. It is negative pole for LED where there are green mark on LED pin. The ellipse pad is negative pole on PCB that shall connect to negative pole for LED.
Step 2: Install 1pcs SOP-8 LM358 at U1.There is a smaller dot on one corner of the IC and there is a white dot on PCB where the IC can place on.These two marks are corresponding to each other and are used to specify the installation direction of the IC.
Step 3: Install 1pcs SOT-23 S8050 Transistor at Q1.
Step 4: Install 1pcs 22ohm SMD 0805 Resistor at R5.
Step 5: Install 1pcs 33Kohm SMD 0805 Resistor at R6.
Step 6: Install 3pcs 47Kohm SMD 0805 Resistor at R1,R2,R4.
Step 7: Install 1pcs 100Kohm SMD 0805 Resistor at R3.
Step 8: Install 1pcs 47uF SMD 0805 Capacitor at C1.
Step 9: Install 1pcs 9V Battery Box.
Step 10: Connect to power supply and enjoy the effect.
7. Diagram and Components List
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