Chip L293D - Ponte H para motores DC e Passo

The Pololu USB to serial adapter is great for connecting microcontroller designs to a personal computer. The adapter uses 3.3 V signal levels so you can connect it directly to any microcontroller running at up to 5 V without the hassle of an RS-232 to TTL level converter.

Hexagonal Metal Bolt 15mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.