![]() ![]() ![]() The danger does not come from the battery itself (well, it does a little) but, above all, from the way it is used. We live with these batteries and nothing usually happens, but that's because the vast majority of commercial devices that use them know their risks and manage them appropriately. I'm sure many of you remember the scooters that went out on fire on their own in the street, not too long ago. I think that by now everyone knows that Lithium-Ion (Li-Ion) and Lithium Polymer (Lithium Polymer) batteries o " Lipo") are delicate and may even be dangerous. I ask you a favour: Even if you think this is very simple and that there is too much talk in this article for something so easy, please read the whole article (don't just go "to the assembly"), you might already know it all, but you might be surprised. I have a secretThis article is not just about telling you as to "ride" the battery, but to teach you why it is important to do it in a certain wayThat is why it is so extensive (and, believe me, it could be much more extensive if we went into much more detail). Putting a battery in a thing that runs on 5V (or, for that matter, 3.3V) seems like one of the simplest things in the world, right? And what's this about it being well done? ![]() Until now I have been using for this purpose a powerbank (rechargeable battery power supply), commonly used for powering mobile telephones, but I thought it was time for a slightly more integrated solution. Even to calibrate it outdoors periodically, it is good for me that they are autonomous. There are more than a few occasions when we would like to use our battery-powered CO2 meter (at least it often happens to me). The uses are endless and, although I will be using as an example my project of Home CO2 Meteryou can use it in any other project. And the fact is that, did you notice the " well done"in the title? In addition, the aim of this project it's not just about mounting itbut to discuss a few things along the way, which are very important for the hobbyist who wants to equip his drum kit with drums. In this tutorial I will show you how to add battery and charger to any microcontroller based project, is based on Arduino, ESP8266, ESP32, or any other, correctly, safely, easily and cheaply. 12 Step up and consumption optimisation.11 Modifying the board for use with charger/feeder (modifying VPCC).10.1.4 VPCC pin (2) - Voltage Proportional Charge Control (important for solar panels).10.1.3 Pin PROG1 (13) - Programming of the charging current.10.1.2 Pin PROG2 (4) - Maximum USB port current when SEL=LOW.10.1.1 SEL pin (3) - Operation from USB port or mains power supply.10 Analysis of the load plate with MCP73871.8 Features benefits and functionalities of our battery powered system.4 The usual and (very) poorly made feeding system. ![]() 2 The commandments of Li-ion and Li-po batteries.1 And what's this about it being well done?.CO2 Gadget Boxes, 3D Printed and without 3D printer.CO2 meter on your mobile phone with ESP32 and Sensirion SCD30 sensor.CO2 Meter TFT Colour Display with TTGO T-Display Sensirion SCD30 - The CO2 Gadget.CO2 on a giant screen for bars, restaurants, classrooms and the like.Full colour touch screen for CO₂ meter Wow!.Are home CO₂ meters as reliable, accurate and precise as commercial ones?.Adds temperature, humidity and atmospheric pressure.Uses the Senseair S8 sensor in the CO2 Meter.The Sensirion SCD4x CO2 sensor (SCD41 and SCD40).Comparison CO2 sensors MH-Z19B vs Senseair S8.Winsen Low Power NDIR CO2 Sensor MH-Z1311A.Sensirion SCD30 dual-channel NDIR CO2 Sensor. ![]()
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