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Arduino RS232 read data from MPP-Solar inverter

Hello all!

I need your help to read data from my MPP-Solar inverter.

My goal is to close a relay when battery capacity is under 70% and open back when battery capacity is 100%. The relay is connected with a power generator.

I would also like to display some data on an LCD screen

My hardware setup is an Arduino Mega connected throw serial1 to a MAX3232 module which is connected to the inverter's RS232 serial port. To connect MAX3232 with the inverter I routed RX -> TX and TX -> RX

So, I have the communication protocol and some other projects as a reference for example:

QPIGS<cr>: Device general status parameters inquiry

Computer: QPIGS <CRC><cr>

Device: (BBB.B CC.C DDD.D EE.E FFFF GGGG HHH III [login to view URL] KKK OOO TTTT EEEE

UUU.U [login to view URL] PPPPP b7b6b5b4b3b2b1b0<CRC><cr>

(OOO is Battery capacity)

Evner: Arduino, Microcontroller, Elektronik, Elektrisk Ingeniørarbejde, C programmering

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Om arbejdsgiveren:
( 5 bedømmelser ) Peristeri, Greece

Projekt ID: #20290452

17 freelancere byder i gennemsnit €26 på dette job

ahmad5857

Hi Sir, We can read your solar system and can fetch it to your destined location. We are professional engineers and developers who do such projects from the last 10 years. We offer you our skills for this project a Flere

€16 EUR in 7 dage
(46 bedømmelser)
6.5
valor312

VERY EASY FOR ME As you can see in my review, I've done similar with yours Please see https://www.freelancer.com/projects/cplusplus-programming/serial-port-parse-correct-save/reviews Hello. I have read your description Flere

€30 EUR på 1 dag
(48 bedømmelser)
5.5
dalong243020

I am an electrical engineer with experience in circuit design, power electronics, and embedded systems. In addition to my engineering degree I posses minors in mathematics, economics, and history. This experience sp Flere

€19 EUR in 7 dage
(1 bedømmelse)
4.8
soltracker

Yes Buddy, A very east project to be done,,,,,U will get the best work done accompanied with brotherhood,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

€19 EUR in 7 dage
(31 bedømmelser)
4.1
MuhammadWaqars

Hi, I went through project description and willing to work on this project. contact me to offer the project. I have commissioned 3 and 5KVA solar systems.. I can extract data and display it on screen.

€30 EUR in 3 dage
(3 bedømmelser)
2.0
Coolman8819

Hi, I read your project description. I'm very interested in your project and my skills and experiences can help you. If you work with me, you can get best result and i will do my best for you. I would like to disucss t Flere

€19 EUR in 7 dage
(5 bedømmelser)
2.2
eltonavieira

Hello We have been an engineer for more than 8 years in the market and have already developed projects for several companies using microcontrollers like ARM, PIC, AVR, NXP, Nordic, Texas, STM, ESP, Arduino, Raspberry Flere

€50 EUR in 2 dage
(1 bedømmelse)
1.1
BwiEngineer

we are very interested in the project that you submitted. Relevant Skills and Experience we have expertise in the Arduino field

€23 EUR på 1 dag
(0 bedømmelser)
0.0
€33 EUR på 1 dag
(0 bedømmelser)
0.0
abhisheknmishra

Please share some details of the project. I will try to understand it and will let you know whether I can do it or not.

€29 EUR in 10 dage
(0 bedømmelser)
0.0
€23 EUR in 3 dage
(0 bedømmelser)
0.0
osamashafique8

I learned c language and assembly language . I had strong grip on arduino coding . We work according to your satisfaction and try to recheck for more than 2 times . because your satisfaction matters alot.

€14 EUR in 4 dage
(0 bedømmelser)
0.0
€29 EUR på 1 dag
(0 bedømmelser)
0.0
isbel8ai

Hello, I'm experienced in the technologies required in this project. I would like to know more about the task. Please contact me, I have some interesting ideas

€30 EUR in 5 dage
(0 bedømmelser)
0.0
asriel506

Hello, I am an electronic engineer, I have knowledge with power control, embedded programming, arduinon, PCB design. I have the necessary skills to help you with your project. I have

€15 EUR in 10 dage
(0 bedømmelser)
0.0
JithinGeorge

Hi, My name is Jithin, I am a Hardware Design Engineer from India. I have more than 12 years of experience designing electronic products and have completed my Bachelors in 'Electronics and Communication Engineering'. Flere

€30 EUR på 1 dag
(0 bedømmelser)
0.0
javadsadi

I can write the code of Arduino with high precision and send it to you. You must send me your work documentation.

€34 EUR in 7 dage
(0 bedømmelser)
0.0