Converter USB to TTL CH340 Chip
USB to TTL (UART Serial) - USB Socket Type B to Headers
2.10 2.1 USD
MAX232IN
Dual EIA-232 driver and receiver
0.53 0.53 USD
MCP2515-I/P
Stand-Alone CAN Controller With SPI Interface
1.58 1.58 USD
MCP2551-I/P
High-Speed CAN Bus Transceiver
2.63 2.63 USD
MAX485
Low-Power Slew-Rate Limited RS485 Transceivers
0.38 0.38 USD
MAX232CPE
+5V Powered Multi-channel RS232 Transceiver
0.38 0.38 USD