Converter USB to TTL CH340 Chip
USB to TTL (UART Serial) - USB Socket Type B to Headers
2.10 2.1 USD
ESP-01S WiFi Serial TTL Module - Updated Version
ESP8266 Updated Version (AI-Thinker Brand) - 1MB Flash Memory
3.05 3.0500000000000003 USD
MCP3008-I/P
8-Channel 10-Bit A/D Converter + SPI Serial Interface
4.10 4.1 USD
3.36 3.36 USD
Fingerprint Module SM12
Finger Print Module Serial UART TTL
22.00 19.95 19.95 USD
EEPROM 24C512
2-Wire Serial EEPROM 512K (65,536 x 8)
1.58 1.58 USD
5.78 5.78 USD
EEPROM 24C16
2-Wire Serial EEPROM 16K (2048 x 8)
0.42 0.42 USD
EEPROM 24C64
2-Wire Serial EEPROM 64K (8192 x 8)
0.84 0.84 USD