Jun Lee

Turn the WeAct RP2350A_V20 into a wired IoT node using WIZnet W5500 over SPI—fast bring-up, stable Ethernet, and simple socket-based networking.

Ethernet for RP2350A in Minutes: WeAct RP2350A_V20 + WIZnet W5500 (SPI Hardwired TCP/IP)

A FeatherWing that delivers WIZnet W5500 Ethernet plus up to 4W isolated IEEE 802.3at PoE—so one Ethernet cable can power and network your Feather.

PoE FeatherWing: Add WIZnet W5500 Ethernet + 4W PoE Power to Any Feather (Drop-In Compatible)

Wire a WIZ550io to an Arduino Nano, update the Ethernet library for W5500, then run the WebServer example to verify wired networking.

Arduino Nano + WIZ550io: A Compact Ethernet Upgrade in 5 Steps (W5500 Hardwired TCP/IP)

A Propeller 2 + W6300 bring-up story: QSPI pin planning, power-debug lessons, and early driver porting to handle high-rate UDP streams.

“Catching the UDP Firehose”: Bringing WIZnet W6300 QSPI Ethernet to Propeller 2 (Spinner Edge II)

Build an Arduino NTP client using the WIZnet W5500 Ethernet Shield to query pool.ntp.org over UDP and display network time.

Arduino W5500 NTP Client — Get Accurate Time via UDP

Build a nostalgic Arduino webserver using the WIZnet W5500 shield and a DS18B20 sensor to serve live temperature over HTTP.

Arduino Webserver with W5500 Shield