2.1 Amplifier how to make Tamil 2024

Material

• 4202bd transistor-1 or 2

• 1k resistor-1

• 25v 1000uf capacitor-1

• 3.7v battery-1

• speaker-1

• aux pin (any old mobile headphone aux pin)-1

Note : colour code : 1K Ohm resistor can be identified via resistor color codes of Brown-Black-Red-Gold or Brown-Black-Black-Brown-Gold

Circuit picture

Whatc video