The CD4093BM is consists of four Schmitt-trigger circuits. Each circuit functions as a two-input NAND gate with Schmitt-trigger action on both inputs. The gate switches at different points for positive- and negative-going signals.
The USB To LAN Adapter is an USB 2.0 to Fast RJ45 Ethernet 10/100 Mbps Network Card for Windows, PC, Androids – Blue Color. 100% brand new and in origin package USB 2.0 high speed interlace Support all USB standard commands.
The MJE340 is a silicon planar NPN transistor intended for use in medium power linear and switching applications. It is mounted in TO126. The complementary PNP type is MJE350.