Power supply for automotive projects (CB21187E)

This 1 A power supply was found in an Electronics Now from the 90's. The integrated circuits must be equipped with heat sinks.

| Clique na imagem para ampliar |

Peak indicator (CB21588E)
This circuit is based on the Texas Instruments LMC662 and has the function of monitoring the audio...
Rectangular Oscillator 555 (CB21721E)
This circuit was obtained from an internet documentation. The LED is inverted in the original, and the...
Lead Acid Charger (CB9129E)
This battery charger was found in a Popular Electronics from the 1980s. Voltage regulators must be equipped...