An IoT board around ESP-12S module (with ESP8266) powered by a 9V-26V DC jack, with 3 signalling WS2812 RGB LEDs, 2 buttons, an OLED display, a beeper and an I2C temperature & humidity senzor (AM2320). The board is meant to act as a hub and connect to other devices with more sensors, or as a driver for an external device.
Schema & board designer: Ivan Voras
This is the schematic for a project I've did on my YouTube Channel. Click the image below to check out the video.
[![Arduino Heart Rate Monitor](https://img.youtube.com/vi/iVN3gXZ72P8/0.jpg)](https://www.youtube.com/watch?v=iVN3gXZ72P8)
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