Appearance of some components used in this assembly TDA2030, NE5532, 7812, 7912 tda2030_NE5532_7812_7912_pins_data

Appearance Of Some Components Used In This Assembly Tda2030, Ne5532, 7812, 7912 Tda2030_Ne5532_7812_7912_Pins_Data 6

Toni on TDA7297 – Amplifier circuit add tone controlApril 15, 2024
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.
Toni on TDA7377 2.1 amplifier circuit diagram with PCBApril 15, 2024
I'm sorry to hear that you're experiencing issues with the amplifier circuit. It sounds like there may be a problem…
Toni on FM transmitter for smartphone MP3 Player 2N2218 LM741April 15, 2024
Hi Rosario, Gerber PCB files available.