The circuit is from 80s Siliconix documentation. The integrated circuit is from the company and is not common today. It can be used operational equivalent more common in our times.
This simple rhythmic light circuit uses a 110 V to 220 V transformer and can hold a good number of...
This oscillator circuit with the TLV2474 was obtained from a Texas Instruments Operational Amplifier...
Texas Instruments TMP116 and TMP116N digital temperature sensors can be obtained from Mouser...