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Vyvarujte se stavu kdy je na vstupních svorkách vyšší napětí než nastavené na výstupních! Může dojít k poškození měniče! Lift the diode of its pad at the connection to the output, and insert your current sense resistor in series with the diode. Then put your transistor over either the current resistor, or over the diode and current resistor, as described before. The circuit may need an extra capacitor between the base of the transistor to earth to counter any high frequencies that originate from the switching. It all depends on the delay of the enable pin. Took me a WHILE to get this all down as I'm dyslexic so please do expect a few mistakes here & there by me, lol, but i hope this helps with component selection going forwards from specific data laid out in the manufacturer's datasheets to have a lot more options available to those whom love making their own PCB's In theory, it should provide 5v (output of the MT3608) when powered either from USB wall charger or from 18650 battery (through the TP4056). The Mosfet will do the switching between mains and battery.
It would have been nice to have a picture of the schematic embedded within the article, that makes discussing it much easier. Because you have moved the current resistor _before_ the voltage regulation network, once the regulator is turned on, the output voltage will be exactly where you want it. Explicitly said: the current regulation network will see a lowered voltage because of your added resistor and will increase the output to compensate for the voltage drop caused by it. That’s its job. So i just went to Mouser UK (International Company & this is being used just as an example of how to search for one's own self, use whatever you feel comfy with) So search for the exact or close-enough characteristics of the inductor we need for these projects and I've found 14 results in the list after narrowing it down but only using what info is specifically in that Datasheet snippet above, here's 2 pictures from screenshots from me own desktop to further illustrate how to better search for exactly what you need and asked for, or be in the ball-park for better choice options than without these sort of searching: have a look at the schematic here: https://www.sunrom.com/media/content/1118/MT3608-schematic.gif or here:The circuit above depicts how the connections are made for the operation of the MT3608 step-up module.
Fotografie výrobků jsou pouze ilustracemi na ukázku a někdy se mohou lišit od skutečného vzhledu předmětu. Avšak toto nemění jejích základní vlastnosti. Not only that, it would also be a most-excellent thing to also see a basic "schematic" of this module using the same sorta software, like the free to use CADsoft Eagle, or when it used to be, i cant remember now as im old, lolMT3608 step up booster converter module is a small sized highly efficient and low cost module is built for converting or boosting the voltage as low as 2V to max 28V DC with the maximum output current of 2 ampere. The output voltage can be adjusted with the variable resistor used in the module. BUT the most impressive is YOUR 3D RENDERING of this module - PLEASE Please please could i kindly beg you;
Před prvním použitím je tedy nutné použít vstupní napětí 2Va nastavit požadované výstupní napětí. Potom lze na vstup připojit zamýšlené nižší vstupní napětí. Specifikace:Another thing to mention when working with power modules like converters is that they will burn out if the current goes too high. I believe that you have already understood that from the step above, but how to protect the IC from the high current? Potřebujete napájet Arduino z baterie? Tento měnič je ideální volbou. Dokáže dokonce i z dvou tužkovýchbateriívytvořit 5V pro Váš projekt. Here we would like to introduce another component: the Fuse. In this specific case our converter needs protection from 2 Amps. So we will take a 2 Amp fuse and wire it according to the image below. This will provide the necessary protection for our IC. Pin configuration of the Step up module is given in the table below. The module has 4 pins, 2 of which are for voltage input and 2 are for regulated output voltage. The module also consists of a potentiometer which can be used to adjust the output voltage levels. Using MT3608 module is very simple by looking at the pinout described in the image above you can connect an input voltage from 2V to 24V DC. The input source can be a battery or solar cell or any other source available. After connecting the input voltage take a digital multimeter and select above 28V from the digital multimeter voltage selection panel and connect the digital multimeter from the output voltage points of the module then adjust the variable resistor until the multimeter shows your desired output voltage.
how did you make that 3D Render - did you do it yourself with a software/s like the Eagle software with Eagle-Up plugin and 2 other softwares to show us our own Schematic/PCB designs in glorious 3D as your rendering is. Here is the TP4056 Datasheet. Here is the MT3608 Datasheet. We are not going in to details of TP4056 (which is a charger circuit) and MT3608 (which is a DC-DC boost converter). The datasheets will give you a fair idea that the end output voltage will be regulated and linear. MANY other softwares out there for making one's own PCB's (which i would NEVER charge anyone to help make their own PCB's, after all, its just the board designs of simple modules so if one ever wants a hand in doing so, lemmi know !!)The module is using very less amount of components and the main component of the module is MT3608 IC. MT3608 is a highly efficient voltage booster IC with many built in features like over heat protection, low quiescent current, soft start function, low external components, overheat shutdown etc. Other components used in this module are two ceramic capacitors, one variable resistor, one resistor and one schottky diod and a 22uH inductor which is an important part of all voltage booster circuits.
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