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Questions tagged [solar]

0 votes
1 answer
130 views

Can Vin of ESP handle many voltage sensors and relays?

My project is Charging Battery via Solar and Piezoelectric sensor while also getting the Realtime Voltage of the Battery, Capacitor, and Solar. I want to use Vin as the source to get 5V because ...
walter's user avatar
  • 1
-3 votes
1 answer
375 views

Using internal voltage reference for sensor

i am using 3.7~4.2V lithium battery. I am using internal voltage reference to read constant battery voltage as we know that the battery voltage level depletes overtime. The problem is that my sensor (...
electro_nooobbbb's user avatar
-1 votes
1 answer
102 views

Arduino battery capacity selection based on the current measurements

I'm sorry for this stupid question... I'm not an electronic/electric expert.. In order to select the battery capacity as well as the solar panel I'm measuring the Arduino current consumption. So, I ...
Safari's user avatar
  • 101
-1 votes
1 answer
207 views

Arduino + Solar Charger Shield V2.2: Battery and Solar panels selection [closed]

first of all I would like to apologize for the, probably very basic and stupid questions for you, but I'm not an electronic expert.. I'm implementing my project using an Arduino Mega 2560 (I need more ...
Safari's user avatar
  • 101
-3 votes
1 answer
102 views

Which Arduino board would be sufficient for the following simulink project?

I'm trying to run a Fuzzy Logic MPPT Algorithm in Arduino UNO, here's the Simulink File However when I try to upload the code, I get the following error Is this project possible with UNO, if yes, ...
Aravindh Vasu's user avatar
3 votes
0 answers
826 views

ESP32 Bluetooth Master does not connect

I want to connect an ESP32 to a SMA Sunny Boy SB5000-TL Solar convertor over Bluetooth, but I cannot establish a connection and I'm kind of stuck. I use the internal bluetooth module of the ESP32. ...
mvermand's user avatar
  • 427
1 vote
2 answers
223 views

Best way to add external power supply when main PSU is a solar charge controller?

I have a 12V 20A Solar Charge Controller (which is part of my existing Solar Panel System Setup connected to a 12V Sealed Lead Acid Battery) that I will use to power up some pumps with the help of ...
princessbubbles15's user avatar
1 vote
0 answers
524 views

Fried 2 MKR Wifi 1010 after plugging them to a solar panel

I fried 2 MKR Wifi 1010 after powering them using a solar panel. Here is the diagram: Both were working fine as long as I used the LiPo battery and/or my macbook (using USB) as power sources. They ...
Carl Levasseur's user avatar
2 votes
4 answers
1k views

Measuring solar power with an Arduino

I'm pulling together a project for my class where students build a solar panel structure/frame that moves with the sun to capture more power than if the panel were just flat on the roof. I can handle ...
user69897's user avatar
1 vote
1 answer
1k views

Why does my Wemos D1 Mini stops working while charging via solar?

I'm using an battery shield to recharge my battery. I want to use a solar panel, so I bought one (5V 240mA). I'm pretty sure, it won't recharge my battery fully, but that's not the point. I've ...
Michael Hirschler's user avatar
0 votes
1 answer
322 views

Use Low Power Arduino with Solar Panel

I am trying to create an arduino system with radio-transmitters and radio-receivers. The system runs from a rechargable battery that is charged with a solar panel. I am using a 1.1W 6V solar panel. ...
Filip's user avatar
  • 103
0 votes
1 answer
393 views

Solar powered ESP8266. WiFi module usage optimizations

Above all, I am quite new to the ESP8266 and micro controllers development as a whole. I am now working on a project which is quite simple for now. It basically looks like this: As you can see, I have ...
user60623's user avatar
1 vote
2 answers
2k views

Powering Peltier using solar panels

I am a beginner to electronics and trying to make a portable air conditioner using a Peltier cooling pad (12V). I am planning on using a solar panel to power the Peltier and looking forward to your ...
Indee's user avatar
  • 43
1 vote
0 answers
54 views

Arduino Fio and Solar Pairing

I'm creating a weather station and want the station to be completely power independent. I'm using the Arduino Fio (https://www.arduino.cc/en/pmwiki.php?n=Main/ArduinoBoardFio) and have estimated the ...
noodle's user avatar
  • 11
0 votes
1 answer
2k views

Can adjustable constant current/voltage source be made with Arduino?

I would like to create a 18650 battery automatic management system that can handle and restore used up cells using solar panels for power. To do that I need to create adjustable constant current ...
Filip Franik's user avatar
  • 1,312

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