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Mixed Circuits
Monostable Multivibrator
Digital to Analog
LM311 Oscillator
PLL using 4046
VCO with LM331
Digital Potentiometer
SCR and Triac
Solid State Relay
Normally Closed AC SSR
AC-AC-SSR
DC-DC SSR
2N2646 based Pulser
Drive SCR thyristor
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Analog Circuits
Battery Level Indicator
Simple Sample and Hold
Sample and Hold Standby
Constant Current Source
Voltmeter Attenuator
Mains Power
Flashing Neon Lamp
Dimmer power control
Edison Bulb Life Extend
Mains Current LED
Mains Voltage LED
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Discrete Circuits
Isolated dual supply
Sound to light converter
Water operated relay
Telephone Indicator
Passive volume control
RS232 Opto-Isolation
Voltage Level Indicator
Relay Driver
Constant Current LED
Voltage Doubler
FET Current Source
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