Arduino UNO ESP8266 Serial wifi Expansion Board Module DB-9 RS232 to TTL Converter output stays HIGH for approximately

output stays HIGH for approximately 8 seconds

Compact & Portable: Slim form factor fits easily into project enclosures

high-efficiency step-down (buck) converter module designed for reliable power regulation in diverse applications

Near-Silent Operation: With no compressor vibration

Wide Input Range: Works with 100-240V AC (global compatibility)

Arduino UNO ESP8266 Serial wifi Expansion Board Module DB-9 RS232 to TTL Converter output stays HIGH for approximatelyArduino UNO ESP8266 Serial WiFi Expansion Board Module Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Specifications Feature Details Type Electronics Component Origin Original Authentic Warranty 7 day warranty on manufacturing defects Support Email & WhatsApp 24 7 Shipping 7 8 days delivery Communication Protocol Serial (UART) WiFi Standard 802. 11 b g n Operating Voltage