Send a little heart to someone special—no matter how far away they are.
Chaya2MQTT connects two Waveshare ESP32-S3 e-paper displays:
Press the button on one and a red heart appears on the other.
Each display keeps track of the hearts you have sent and received, while MQTT quietly carries them between the two devices.
Online
| Product title | SoftAP setup |
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| Offline | Power-off |
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Open the web flasher in Chrome or Edge, connect USB-C, and install. Erase is on by default.