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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
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
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