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Choosing a 3. 3V Voltage Regulator - Arduino Forum I'm currently working on a project in which the components must be powered by a 3 3v source I want to use a 3 7V rechargeable lithium polymer battery and a voltage regulator to do this Looking at various sources for electrical components online, the number of different voltage regulators with a 3 3V output is massive There are also many different attributes for each regulator such as
How to get 3. 3v from 3. 7 Lipo battery? - Arduino Forum The ESP32 is powered at 3 3v can't handle the 4 2v - 2 7v that a Lipo battery typically outputs I was thinking of just using a 3 3v voltage regulator, but I can't use the rest of the battery after 3 4v - 3 5v even with a relatively low dropout voltage I also thought about stepping the battery up to 5v then back down to 3 3v
Generating both 5V and 3. 3V on a PCB - Arduino Forum I decided to make a shield for a project and I will need to make 5V and 3 3V from a car battery (12V) I have two desing in mind and I am not sure if one is worse than the other First idea - Using 2 DC-DC fixed switching regulators to generate 5V and 3 3V directly from 12V This is just very simple but I don't if this will cause problem as they are switching and maybe interfering with the 12V
Conversion 12V to 3. 3V - General Electronics - Arduino Forum Each time, I managed to get 3 3V as output To power the ESP32 ? For that you should use either a buck converter or a linear regulator, but since LM1117 3 3 (or AMS1117 3 3v) has 12v as a maximum input, if you are going to use a linear regulator you will need to drop down from 12v to something lower first
Bad practice to use more than one voltage regulator on a PCB? My current project has both an SMD +5v regulator and a +3 3v SMD regulator that is fed from the +5v regulator These are SMD regulators and do not provide allow a lot of current Is it bad practice to add -another- +5v regulator (fed from the V+ input directly not connected to any other regulator on-board)???
3. 3V voltage regulator - General Electronics - Arduino Forum Hello I would like to have 3 3V output with enough current from the arduino I read that LM1117 is suitable for this case I searched and find 3 different approaches a)LM1117 b)DC 5V to 3 3V Step-Down Power Supply Module AMS1117-3 3 c)DC-DC Converter Adjustable Step down Power Supply Module What are the differences and which of them is more efficient? I see that the (b) circuit has the (a
reducing 12v to 3. 3v ? - General Electronics - Arduino Forum Hi, im new to the electronics side, but i have a 12v input from a laser trigger via a relay and need to output 3 3v I've seen somewhere else that i need a 470 ohms resistor (colour band Yellow Violet Brown Gold) they have turned up today and the 12 24v in and the other side of the resistor is still 12 24v? so it basically appears to have no effect at all should i be using something else to
Some questions about converting 5v to 3. 3v - Arduino Forum As you were told above, the ENC28J60 module requires 3 3V supply voltage (3 1V to 3 6V) If you have a 3 3V regulator, it doesn't need resistors, only capacitors The LM1117 Datasheet says An input capacitor is recommended A 10-μF tantalum on the input is a suitable input capacitor for almost all applications The minimum output capacitance required by the LM1117is 10 μF, if a tantalum
Powering an ESP32 with a battery (Beginner) - Arduino Forum The ESP32-WROOM-32 from Az-Delivery has a 3 3V pin If the manufacturer states that it is OK to use this as input for 3 3V power, then an energy efficient solution is to use a 3 7V LiPo battery, and this stepdown regulator: