Find Jobs
Hire Freelancers

Yazılım Üret

$1500-3000 USD

Anulat
Data postării: aproape 7 ani în urmă

$1500-3000 USD

Plata la predare
We need a device, builded such as STM32F407 series processor which has features to meet our needs. We are Looking for engineer/engineers who design and wrote it's program according to given functionality. • The device software must be upgradeable by the remote . • The device should have a default Ethernet RJ45 port for network connection and optional GSM module. • The device should read a usb and rs232 RFID reader. • RFID autharized user list should be updated independently from the program by remote side. • The device should read some GPIO input such as switches , PIR sensors,I2C sensors and send these data as status code or value to the remote web based monitoring screen. • The device should control some GPIO as output according to status codes and button which have some specific function from the remote monitoring screen. Such as A Solid State relay which can be controlled by a GPIO . • The device should have a LCD screen and 4 button to configure IP addresses and other parameter needed for remote connection. • The device should have Real Time Clock for data logger records. • The device should have alocal SD card (Min. 4Gb for data logger to record status codes with date&time information. • A web based program should work with these devices and to monitor status codes and sensor values and able to send email and message to mobil application. • Web based program should be included in Project. • All communication with the web based server must be secure. • Device should be supplied with +24 v DC. • The information above will be detailed if you want to join project.
ID-ul proiectului: 14928293

Despre proiect

10 propuneri
Proiect la distanță
Activ: 7 ani în urmă

Vrei să câștigi bani?

Avantajele de a licita pe platforma Freelancer

Stabilește bugetul și intervalul temporal
Îți primești plata pentru serviciile prestate
Evidențiază-ți propunerea
Te înregistrezi și licitezi gratuit pentru proiecte
10 freelanceri plasează o ofertă medie de $2.549 USD pentru proiect
Avatarul utilizatorului
Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in embedded design & programming using pic, dspic controllers and MATLAB codding for Power projects, Boot loaders, Bluetooth & GPS designs,CAN communication, EEprom. UART , Protocols for networking, wi-Fi routers,OBD diagnosis with CAN bus protocols, Electrical vehicles and AC drives, stepper motor controls. I designed sine wave inverters for standalone and grid tie Inverters. I designed projects like Off line UPS up to 3 KVA, synchronous rectifiers, Solar MPPT chargers, Solar trackers, Battery chargers ,Grid tie inverters design with PLL and feedback control circuit emergency light of 66W and Online UPS control cards, Battery Charging power supplies, LED drivers for PWM controlling and dimming, SMPS, Power supplies. I have experience in schematics and PCB design experience in Altium and ORCAD. I am ready to work for you. Please contact for further discussion.
$5.556 USD în 75 zile
4,9 (19 recenzii)
6,2
6,2
Avatarul utilizatorului
Hello Dear, I am an expert with more than 15 years of experience in the field of embedded systems, electronics, prototyping and PCB layouts. I have worked on STM32F family. I have worked on STM32L, STM32F0, STM32F1 and STM32F4 processors. I used IAR EWBARM and also Keil MDKv5. I have the discovery board for STM32F4. I have checked the details of your project and I assure you the best solution for it. I would develop the schematics and PCB layout. I would also develop the firmware and make 3 working samples. Contact me for the best services
$2.000 USD în 30 zile
4,9 (42 recenzii)
5,9
5,9
Avatarul utilizatorului
- Android , iPhone, iPad, WindowsPhone ✔ Java ✔ Swift, Objective-C ✔ Xamarin, Ionic, ReactNative - Website ✔ PHP/MySQL ✔ Open Source CMS ✔ CodeIgniter ✔ Angular.js ✔ Wordpress ✔ Online Store - Game ✔ Unity3D ✔ Cocos2D ✔ Flash - Desktop Apps (Windows, Mac) ✔ VC++ ✔ VB ✔ Java ✔ LabVIEW ✔ MATLAB - Electronics ✔ Arduino, Pic series Micro controller ✔ Bluetooth, Wireless, Wireless amplifier ✔ Protel, Proteus
$2.500 USD în 30 zile
5,0 (2 recenzii)
4,8
4,8
Avatarul utilizatorului
dear Sir i can do this project. I can assure you that if you work with me once, you will always work with me for these kind of projects.
$2.500 USD în 30 zile
5,0 (11 recenzii)
4,1
4,1
Avatarul utilizatorului
In the bid amount, You get provide website version, android and ios applications, desktop application with one year support with complete maintenance , updates , changes .
$1.500 USD în 30 zile
5,0 (1 recenzie)
3,1
3,1
Avatarul utilizatorului
Experts from IIT India ‘Dedicated Developer Service’ gives you access to Single or team of Dedicated Developers / Programmers, exclusively working for you on your projects at our software development outsourcing center in India. In short, it helps minimize the costs involved in establishments and development activities with contracting and highly specialized staff, located in low-cost Indian environment. Reduced costs of development will help achieve lower price of your products / services, and better, competitive position in the market for your company. Offshore software application development company, Experts from India having range of Skills available in our In-house staff: Dedicated:Android Developer,IOS Developer, Website Developer, ECommerce developer, PHP Developers, ASP.NET Developer, ASP Programmer, Web Designer, VB/VB.net Developer, Admin Staff and more… Thanks & Regards IT HEAD Development Team
$2.500 USD în 30 zile
0,0 (0 recenzii)
0,0
0,0
Avatarul utilizatorului
We are a Team of Technical Consultants and Data Engineers having healthy experience into Big Data technologies,IOT/Cloud/AWS and Python/AI+Machine Learning. The Dynamic force has qualified engineers having expertise in solving complex problems. We have Experienced Customer Service Representative with demonstrated history of working in industry.
$2.436 USD în 7 zile
0,0 (0 recenzii)
0,0
0,0
Avatarul utilizatorului
Hi , I am expert for embedded software development for microcontrroller , PLC and FPGA. I have work on C, Assembly and VHDL. I have read your details and interested to work on your project. I need to discuss with your in details regarding project before i estimate time and price. Current time and price is tentative only. so waiting for your response .
$2.500 USD în 30 zile
0,0 (0 recenzii)
0,0
0,0

Despre client

Steagul TURKEY
ISTANBUL, Turkey
0,0
0
Membru din aug. 14, 2017

Verificarea clientului

Mulțumim! Ți-am trimis prin e-mail linkul pe care trebuie să-l accesezi pentru a revendica creditul gratuit.
A apărut o eroare la trimiterea e-mailului. Încearcă din nou.
Utilizatori înregistrați Totalul proiectelor postate
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Se încarcă previzualizarea
S-a oferit permisiunea de depistare a locației.
Ți-a expirat sesiunea pentru conectare sau te-ai deconectat. Conectează-te din nou.