8051 / 8052 Microcontroller Circuits

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Power-line frequency meter
10 To 15W Atv Linear Amplifier
MultiKey - One Wire Keypad
1Hz Clock Generator Circuit with Chip On Board (COB)
Digital Thermometercum- Controller using AT89s52
HiFI Headphone Amplifier
DTMF Decoder Circuit For PC
Simple low power Inverter Circuit (12V DC to 230V or 110V AC) diagram using CD4047 and IRFZ44 power MOSFET
Ding-Dong sound generator
Lithium battery charger schematic circuit design using LTM8061 IC
Qualitative Analysis of Analog Circuits
CD4013 circuit
Changes inductive boost LED Driver
LES produced using blackout emergency lighting