A smart device that monitors the heartbeat of the user using pulse rate sensor, pressure sensor and ESP32s NodeMCU
ESP32 WiFi SoC with DHT22 T/H Sensor attached, local LCD display with T/H data and NTP Clock
Case study raspberry pi2 / SR-04 / **** FLOODED **** Unfortunatelly the whole pumping/drainage station is flooded under 4 meters of water on Mar 30 2015 until July... I restored it on Aug 31. If you want the fritzing sketches, please sontact me ******
Solar ovens to dry paper pulp. Channel 1 is Oven temperature, Channel 2 is Ambient Temperature and Channel 3 is Light Intensity (Vis and IR).