SparkFun Pro nRF52840 Mini – Bluetooth Development Board Butane glucometers

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0 LE for iOS and Android Heart Rate Monitoring Continuous optical sensor with real-time BPM tracking Water Resistance 3 ATM water resistant rating Battery Life 7-10 days depending on usage intensity Warranty 7 days on manufacturing defects Shipping 1-5 days from Bengaluru Delivery 7-8 days across India Support 24/7 via Email and WhatsApp Key Features

Easy Panel Mounting: Standard 71 x 29 mm cutout drops into enclosures

PIC ADC Resolution Recommended 10-bit (0-1023 on Arduino) Mechanical Travel Full 360 degrees movement with spring-loaded self-centering Thumb Cap Included (press-fit rubber/plastic cap) PCB Dimensions Approx

SparkFun Pro nRF52840 Mini – Bluetooth Development Board Butane glucometersSparkFun Pro nRF52840 Mini Bluetooth Development Board The SparkFun Pro nRF52840 Mini is a compact yet powerful Bluetooth 5. 0 development board featuring the Nordic Semiconductor nRF52840 SoC, delivering dual core ARM Cortex M4 processing at 64 MHz with 1 MB flash and 256 KB RAM. Professional IoT developers, embedded systems engineers, and wireless protocol specialists use this board to prototype BLE mesh networks, connected wearables, and low power