12V Battery Protection

Hey! everyone My name is Steve 19 year old from India

Today i'm going to show you How to make a 12V Battery Protection Board .

Very Low Current Consumption Only 1.5mA

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It will protect your battery from Over Discharging



• Cutoff at 10.6V
• Re-Connect at 12.5V


How To Programme ATtiny85

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Step 1: What You Need

• ATTINY13 click
• 82K 1% Resistance click
• 20K 1% Resistance click
• 4K7 Resistance click
• 220pf Ceramic Capacitor click
• DC-DC step-down Converter click
• IRF3205 Mosfet click

Step 2: PCB Layout and Schematics

Step 3: PCB Making

If you Don't Know How to make a PCB Then

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• Printed The Layout
• Cut The Copper Clad
• Press With Hot Iron

See The Image For More Information

• Put The Copper Clad On Ferric Chloride
• Remove the Ink
• Drill The Holes

Step 4: Solder

• Solder the components

Step 5: Connections

• Solder The Connector For Inlet And Outlet

Step 6:

• Hot Glued The Wire to prevent from loosing

Step 7: Finished

• Just Plug The Battery and you are Good to go