This circuit makes an incandescent lamp blink in order to vary its brightness with a candle effect. The circuit is from an old Popular Electronics, but the components used are current.
This long-time circuit uses a field effect transistor, which may be the BF245, and depends on a...
The figure shows how to implement the AND function with a Norton LM3900 operational amplifier. The number of...
This circuit is from an old documentation, but it can be elaborated with ease, since the...