Blue Led Light LM358 Breathing Lamp DIY Kit
This kit cost me less than 1 Euro. Got it in 14 days (from China to Lithuania).
You can buy it here: https://goo.gl/QeGDrv
The perfect DIY kit for solder practice.
I was using LiPo 3S battery in this video for testing purposes.
Battery Voltage Tester Battery Monitor Buzzer Alarm For 1S-8S Lipo Battery: https://goo.gl/Qr92WX
You can find more DIY kits here: https://goo.gl/vIVlmV
LED Color: blue
Chip: LM358
PCB size: 42X29 mm
Working Voltage: 11V-13V, recommended 12V.
Shipping list:
PCB board *1
8P IC Block *1
LM358 *1
2P looper *1
LED 5MM Blue *8 (I got 9)
100K adjustable resistor *1
22UF/25V capacitor *1
8050 transistor *1
1N4007 *1
100 ohm *2
47K resistor *3
100K Resistance *1
30K resistor *1