All Questions
Tagged with dc-dc-converter arduino
41 questions
4
votes
3
answers
2k
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Help using DAC to control DC-DC Buck converter
I'm grateful for some advice.
I'm deep down the rabbit hole and getting out of my depth. I realise this has come up several times previously and have read and tried to understand these previous posts:
...
- 55
1
vote
3
answers
107
views
Buck Converters? [closed]
All I need to do is step-down my 12V power supply to 8V to power an Arduino, and I've been told a buck converter is the easiest way to do this; I see some buck converters online that look like this:
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- 111
1
vote
0
answers
81
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Boost mode doesn’t work properly for a syncronous non-inverting buck-boost converter
I posted a related question 5 days ago. I fixed the capacitor position the same as the datasheet recommendation of the gate driver by making it connect Vb with Vs, also the one who answered my ...
- 13
2
votes
3
answers
108
views
Using alkaline C cells to drive a pair of solenoids
I am working on a walking robot for my class in mechanical engineering. I have two 12 VDC solenoids that need to be actuated. Their resistance is 4 ohm so basically will require 6 amps @ 12V for the ...
- 21
0
votes
1
answer
166
views
Problem with the output of a synchronous non-inverting buck-boost converter
I found this electronic circuit in an old research, along with the code necessary to operate it. When I applied it in the laboratory, the results were not the same as in the original research, not ...
- 13
0
votes
1
answer
309
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I want to control the voltage and current of a LTC3780 module using an Arduino
Is it possible to adjust the voltage of LTC3780 through this circuit?
I don't know much about circuits, but I designed it based on what I studied.
Please understand even if I’m not good at English.
...
- 1
0
votes
2
answers
374
views
CO2 sensor module MH-Z19 doesn't give a proper value on Arduino Nano
What I want to achieve
Use a CO2 sensor module MH-Z19C to detect CO2 in the room using UART with Arduino Nano.
Issue
The sensor gave an unreasonable value 0 ppm. Generally speaking, CO2 in the air is ...
- 257
0
votes
1
answer
62
views
Arduino in the same powerline as a 12V regulator reboots when turning on the regulator
I'm building an small project where an Arduino is driving a 12V voltage regulator for turning on some devices. The devices consumption will never go up over one ampere.
The Arduino is an MKRZERO. It ...
- 57
0
votes
1
answer
155
views
The source part of an IRF540N transistor
So, I have built a DC-DC booster using an IRF540N as my transistor, according to the following schematic diagram.
It did work and I had a 18V output from a 1.5V battery.
The transistor is connected ...
- 171
0
votes
0
answers
62
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Would a digital potentiometer be viable to control a OKL-T/6-W12P-C?
I have a few on hand and I would like to control the output voltage with an arduino. Maybe with a digital potentiometer, but the datasheet calls for fairly strict wiring with short leads and little ...
- 11
0
votes
1
answer
237
views
Grounding microcontrollers, signal and logic level wires in a vehicle with buck converters
I sketched out my main installation in my project vehicle. To summarize, it runs with isolated DC converters, one gets the input from main battery (standard 12V lead acid) and converts it to clean ...
- 53
-2
votes
1
answer
68
views
Can I use DC-DC step down converter on infrared illuminator LED 5 mm, 940 nm [duplicate]
I was thinking if i use dc-dc step down converter on infrared LED 5 mm, 940 nm and The supply voltage for the DC to DC step down is 5 V from a smart phone charger then I will set it on 1.4 V exactly ...
- 1
0
votes
0
answers
54
views
Current sensor problem
I'm using INA219 to read the hold system current like the schematic
The problem line in the DC-DC converter. When I use IC MP2315 DC-DC converter, INA219 seem like just read the off period of PWM ...
0
votes
0
answers
1k
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Monitoring a LiPo battery while powering the Arduino
Well I am tring to make a circuit to charging lipo battery then use lipo. while arduino nano using lipo battery, nano measuring the voltage level of lipo. I am planning to make deep sleep if voltage ...
- 1,245
0
votes
0
answers
3k
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MAX31865 overvoltage/undervoltage fault caused by noisy environment
I have four MAX31865 RTD temperature sensor ICs using 3-wire PT100 sensors in an electrically noisy environment.
I used an isolated DC-DC converter (SPBW03F-03) in the hope of isolating the ...
- 27