Draws an ECG-like waveform from analog input A0 on a 128x64 SH1106 OLED using U8g2. Shows numeric Pulse (BPM) and SpO2 (%) on a 16x2 I2C LCD. Streams values over Bluetooth via an HC-05 module. Samples ...
We have developed a low-cost heart rate monitoring system that provides real-time feedback on the user's heart rate. The system uses a MAX30102 sensor to detect the user's pulse and calculate their ...
LilyGO has launched a fair amount of ESP32 boards with some less common features like Ethernet and OLED Display, cellular connectivity, LoRa & GPS, PoE, watch form factor, and more. Their latest ...
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