This amplifier was obtained from an Electronics Now from the 90s. The circuit has a dual 26V power supply. Power integrated circuits must be equipped with good heat sinks.
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...
This circuit indicates when a rain is acidic by monitoring its pH. The circuit is from a 90s RE...
In a microprocessor project (shield) for control applications, a triggered clock can be useful....