{ "metadata": { "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.9.7" }, "orig_nbformat": 4, "kernelspec": { "name": "python3", "display_name": "Python 3.9.7 64-bit" }, "interpreter": { "hash": "c7df07ecfb874d96581378ee2edfb0abd56d9de008e1391e0ed3612e4e80d4b7" } }, "nbformat": 4, "nbformat_minor": 2, "cells": [ { "cell_type": "code", "execution_count": 14, "source": [ "# Battery voltage comparator with histerezes\r\n", "\r\n", "\r\n", "supply_voltage = 1.6\r\n", "reference_voltage = 2\r\n", "\r\n", "R1 = 50000\r\n", "R2 = 330000\r\n", "\r\n", "Vin_High = R1 * (reference_voltage / R2) + reference_voltage \r\n", "\r\n", "print(\"Voltage switch to high: {}V\".format(round(Vin_High,2)))\r\n", "\r\n", "Vin_Low = (reference_voltage*(R1+R2) - supply_voltage * R1) / R2\r\n", "\r\n", "print(\"Voltage switch to low: {}V\".format(round(Vin_Low,2)))\r\n", "\r\n", "Vin_delta = supply_voltage * (R1/R2)\r\n", "\r\n", "print(\"Voltage delta: {}V\".format(round(Vin_delta,2)))\r\n" ], "outputs": [ { "output_type": "stream", "name": "stdout", "text": [ "Voltage switch to high: 1.15V\n", "Voltage switch to low: 0.91V\n", "Voltage delta: 0.24V\n" ] } ], "metadata": {} } ] }