Li-ion LIPO1S BATTERY LEVEL INDICATOR

GERBER PCB

https://mega.nz/file/fE5wEBDA#m83TlW4DU17K2r0vvobjoipD6fcI8NARtii2z39g_Pc

I know that many times we wanted to have a battery level indicator when we saw that some device or toy decreased its normal operation, That is why we will make a circuit that allows us to visualize the LI-ON LIPO1S battery level whose maximum voltage is 4.2

These circuits have many wireless power tools, to see what level of charge our battery is, we will make a very easy, economical but above all very functional circuit.

This project has few components and applying only the OHM law we can make our battery level indicator

First we will have to see the diagram and understand its operation and we will go to EASYEDA to start the schematic diagram

In the circuit we observe that the first transistor will detect the presence of fire or flame and the second transistor increases that signal and turns on a led. The sensor can be a wire to detect it or it can also be turned on by touch as the sensor is very sensitive. Now, what would happen before a real event? In this case, we would have to put a relay at the output that activates the water solenoid valve so that when it detects the fire, the water automatically turns it off in the place where it is, although this requires a slightly more detailed system because we would need automation with electronics to carry it out, However, this is a small circuit that will be very useful for us at home. Next we will see what components we use for this project:

• 2 transistors 2n222a
• 2 resistors of ¼w 1k
• 1 resistor ¼w 10k
• 1 led diode 5mm
• 1 dc jack
• 1 cable for sensor

Circuit characteristics:

• VIN 5v – 12v
• Touch and fire sensitive sensor
• Imin 20mA

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5 pcbs a $ 2

order your pcb here:

https://jlcpcb.com/RAV

Gerber:

https://mega.nz/file/fE5wEBDA#m83TlW4DU17K2r0vvobjoipD6fcI8NARtii2z39g_Pc