Molecular Expressions: Science, Optics and You - Intel Play QX3 Computer Microscope Digital Imaging System
TLC551 IC Timer - CMOS 555 with 1V to 15V power, up to 1.8MHz [TLC551CP] : ID 5222 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
10PCS/lot Multifunction Delay Trigger Chip CMOS Technology Timing Module Timer IC Timing 2s 1000h Available Resistance|Switch Accessories| - AliExpress
Are the CMOS chip and BIOS chip the same chip? - Quora