Smart Home Security Sensor with level shifting I/O using an AVR® DB microcontroller and Melexis sensor. Using an MLX90632 FIR sensor, the AVR DB will calculate the room temperature and print the value to a UART - GitHub: https://github.com/microchip-pic-avr-examples/avr128db48-room-temp-sensor-mplab Eliminating level shifters in microcontroller applications - Part 1 - EDN: https://www.edn.com/eliminating-level-shifters-in-microcontroller-applications-part-1/ Developing window security nodes with level shifting I/O - Part 2 - EDN: https://www.edn.com/developing-window-security-nodes-with-level-shifting-i-o-part-2/