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CP2102 USB to Serial TTL Cable $ 3.36 3.36 USD	FT232 FTDI 6Pin USB to Serial TTL Converter Cable $ 3.89 3.89 USD	WiFi Arduino MEGA2560 With ESP8266 USB-TTL CH340G $ 26.25 26.25 USD	WiFi Arduino UNO ATmega328P R3 With ESP8266 USB-TTL CH340G $ 11.55 11.55 USD
Fingerprint Module R307 Finger Print TTL UART $ 18.90 18.900000000000002 USD	Converter USB to TTL CH340 Chip USB to TTL (UART Serial) - USB Socket Type B to Headers $ 2.10 2.1 USD	Kit MAX485 - RS485 Converter to TTL Level $ 2.10 2.1 USD	DT-06 Wireless WiFi Serial Port Transparent Transmission Module TTL to WiFi $ 5.78 5.78 USD
Professional FTDI Original Chip Basic Breakout 5V/3.3V (USB to Serial TTL) - Waveshare Blue Board $ 7.88 7.88 USD	ESP-01S WiFi Serial TTL Module - Updated Version ESP8266 Updated Version (AI-Thinker Brand) - 1MB Flash Memory $ 3.05 3.0500000000000003 USD	FTDI Basic Breakout 5V/3.3V (USB to Serial TTL) - Red Board $ 2.73 2.73 USD	ESP8266-12E WiFi Serial TTL Module AI-Thinker Brand $ 3.36 3.36 USD
Sale % Fingerprint Module SM12 Finger Print Module Serial UART TTL ~~$ 22.00~~ $ 19.95 19.95 USD	USB to Serial TTL Converter Module CP2102 Chip $ 2.63 2.63 USD	Kit MAX232 - RS232 Converter to TTL Level $ 1.16 1.16 USD	Flux liquid solution bottle 100mL ALPHA® ROSIN FLUX 800 (RF-800) ~~$ 2.40~~ $ 2.00 2.0 USD