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Battery status appears on the LCD display
USB ISP Programmer Version 2
Home theater audio setup
IoT Water Level Monitor: Pair with an ESP8266 or ESP32 to build a WiFi-connected water level monitoring system that sends alerts to your phone via Blynk
This transmitter module is commonly paired with a compatible 433 MHz wireless receiver module (sold separately) to create a complete one-way or multi-channel wireless communication link
HC-08 Bluetooth 4.0 Low Power Serial Module 384mm Stainless Steel Rod with 8mm Diameter Battery status appears on theHC 08 Bluetooth 4. 0 Low Power Serial Module
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