lcd

HanRun Ethernet Shield with SPI SS for SD-card on Pin 4 (Arduino Uno) as Webserver. DHCP Client, LCD 16x2, relais (5) and LDR (A2) sensor added. Handle htm, md, png, css, ico and js via SD read. Switch relais via web, LDR sensor read via ajax.

lcd 16x2 that will displaying subscribed messages from mqtt broker