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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
These are relative to the board
Use the Smartconfig technology to complete the configuration of the account and password of the ESP8266 WIFI module on the mobile APP
16 have Blue filters
external 4M PSRAM
Pcb Lines (15x9 cm) Heart-Rate Sensor These are relative to theIntroduction : Single side Printed Prototype. General purpose board primarily used for components and IC for quick testing, sample circuits, experiments and learning. Features : Size : 15x9 cm. Layers : Single layer. Design : Lines.
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