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.
IDT ZSSC3230 Capacitive Sensor Signal Conditioner Available from Mouser Electronics stock, this IDT...
This circuit uses only two common transistors and provides good audio power in a speaker. Readers who...
This is the analog part of the previous circuit with the pressure sensor for the altimeter. The...