Headlight flasher 555 (CB26290E)

This powerful pushbutton uses a power MOSFET. We found it in a Popular Electronics magazine from the 90s. The MOSFET must be mounted on a heat sink.

| Clique na imagem para ampliar |

3-Transistor Flasher (CB18953E)
T1 and T2 can be BC557 and T3 a TIP32 for lamps up to 3 A. The supply is made by voltage of 12 V...
50 Hz high pass filter (CB7575E)
This fourth-order filter was found in American documentation from the 90s. The circuit applies to...
Audio Ohmeter CIR498 (CIR808E)
This resistance meter uses a two-transistor oscillator as basic configuration. The tone produced...