<![CDATA[T-OI Plus ESP32-C3 Ver 1.3]]>

<![CDATA[T-OI Plus ESP32-C3 Ver 1.3]]>Hi!
I would like to know if version 1.3 of the board has an internal antenna

Thankfully,
Ernesto

]]>https://www.community.lilygo.cc/topic/180/t-oi-plus-esp32-c3-ver-1-3RSS for NodeSun, 08 Mar 2026 21:24:26 GMTSun, 26 Feb 2023 00:41:10 GMT60<![CDATA[Reply to T-OI Plus ESP32-C3 Ver 1.3 on Sun, 26 Feb 2023 05:10:52 GMT]]>@etolocka Yes, it does. It's the red component marked C3, which is a compact "ceramic antenna" shown in the upper right image.
https://www.lilygo.cc/en-ca/products/t-oi-plus?variant=42306652111029

refer to the schematic page 1 upper left:
https://github.com/Xinyuan-LilyGO/LilyGo-T-OI-PLUS/blob/main/schematic/T-OI_PLUS_Schematic.pdf

Aliexpess:
https://www.aliexpress.com/i/3256801896137015.html?gatewayAdapt=4itemAdapt

]]>https://www.community.lilygo.cc/post/431https://www.community.lilygo.cc/post/431Sun, 26 Feb 2023 05:10:52 GMT