mobile charger se amplifier circuit 13001 Transistor 470uf 10v capacitor 1k Registor 3volt to 9voltage circuit working clear sound test in Hindi...
amplifier board....https://amzn.to/3KMuTT4
amplifier mini board....https://amzn.to/3sAfoHJ
lithium battery...https://amzn.to/38R99rM
#ElectronicsVerma ...
amplifier board....https://amzn.to/3KMuTT4
amplifier mini board....https://amzn.to/3sAfoHJ
lithium battery...https://amzn.to/38R99rM
#ElectronicsVerma ...
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