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ESP32-S3 Dev Board

https://amzn.to/4tRl8JC

⏱️

DS3231 Precision RTC

https://amzn.to/4dt3ZkM

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SSD1306 OLED Display

https://amzn.to/4vafaVu.

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18650 Li-Ion Cell

High-capacity 3.7V 2500mAh rechargeable lithium battery cell. The industry baseline standard for long-term remote telemetry tracking nodes.