Based on a unijunction transistor, this circuit was found in the January 1994 issue of Electronics Now magazine. The frequency range depends on C1, which can be changed.
This decoder TTL circuit for 15-channel remote control was found in Selezione Radio, Italian...
This new AMS device consists of a digital color sensor and proximity sensor that also incorporates an infrared...
This alarm with the 555 integrated circuit is from an EDN from the 90s. The circuit directly...