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W6100 TCP Air Quality Clients for Pico

Pico clients use W6100 TCP sockets to upload SGP30 and SGP41 gas data.

Benjamin

Published May 26, 2026 · © 3-Clause BSD License(BSD-3-Clause)

166 UCC

11 WCC

31 VAR

2 Following

Original author: Dmytrii ChalykhOriginal source (new tab)

W6100 TCP Air Quality Clients for Pico

Components

Hardware components
W6100-EVB-Pico

WIZnet - W6100-EVB-Pico

x 1

Software Apps and online services
WIZnet io Library

WIZnet - WIZnet io Library

x 1

Project description

W6100 TCP Clients for Air-Quality Packets WIZnetPicoSDK_GIA is a Raspberry Pi Pico C project that uses a WIZnet W6100 Ethernet controller to send air-quality sensor readings over wired TCP. The repository contains two Pico-side clients: one reads a Sensirion SGP41 sensor and sends VOC/NOx data to TCP port 8888, while the other reads a Sensirion SGP30 sensor and sends TVOC/eCO2 data to TCP port 8889. The technical value is visible in the code rather than the README: both clients use WIZnet ioLibrary socket calls, so the W6100 handles the TCP socket path while the Pico firmware stays focused…

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