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Barryblueice edited this page Jan 25, 2026 · 1 revision

TouchPad supports 2 mode: USB-wired mode and 2.4G wireless mode. A corresponding receiver is required to be used for 2.4G wireless communication.

2.4G Reciever also basing on ESP32-S2:

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Due to the size issue, a surface-mount ceramic antenna was chosen. The signal strength test was satisfactory:

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