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Check hardware schematic

Hello, I have made the circuit attached. It is basically, a wattmeter with WiFi (ESP8266). It has been designed to be connected to an European plug (230VAC).

-This wattmeter can turn on/off the current flow.

-The ESP8266 will be programmed using a USB to TTL adapter.

-It has 2 ways of measure the current (using integrated ADC in ESP8266, or using an external ADC).

I need someone to verify the circuit has no errors.

Additionally, I need suggestions on how I can improve it to reduce costs.

Please, tell me how are you going to verify the circuit, and what are you going to deliver to me.

I want to be totally sure, that I can send this circuit to production and everything will work as expected.

Habilidades: Arduino, Engenharia Elétrica, Eletrônica, Microcontrolador, Layout PCB

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Acerca do Empregador:
( 6 comentários ) Porto, Spain

ID do Projeto: #18144674

27 freelancers estão ofertando em média $162 para esse trabalho

sagradoamicus

Hi I am experienced electronics engineer with more than 8 years of experience. I have completed a number of projects on circuit design. I can do it for you. I have completed a number of projects here Please review m Mais

$200 USD in 3 dias
(244 Comentários)
7.9
amelectronics

Hello sir, I have experience in designing electronics circuits and can make your project. i will make your project completely on my side and will deliver a working prototype. I can also develop hardware compatible and Mais

$200 USD in 15 dias
(35 Comentários)
6.5
quang102

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$111 USD in 2 dias
(35 Comentários)
6.5
BKTechnology

Hello, We are a design team include 3 groups: System Design, Layout PCB & Mechanical. We have +15 years experience of Developing custom electronics, Hardware Design, Firmware, Software and +5 years experience of 3D Mais

$250 USD in 3 dias
(18 Comentários)
6.2
sofiadubina99

Dear Sir. I have seen your description very carefully and posting to you my idea. If you give me a chance to interview, I'll explain in more detail and I'll do my best for you. I will work hard and hard for complete Mais

$155 USD in 3 dias
(21 Comentários)
5.7
bijan01in

Hi I am interested to your project.I am familiar with electronics, microcontroller as well as PCB design by Eagle. Thanks.

$250 USD in 10 dias
(79 Comentários)
5.7
YuanNan

Hello. I am an excellent circuit and PCB designer. I have developed projects using ESP32 and ble module. Also, I have worked in PCB design of 2 ~ 38 layers with very high frequency for 4GHz and high speed RAM interf Mais

$166 USD in 3 dias
(7 Comentários)
4.5
arrijal1992

Hi, I have checked your attachment. On AC/DC block diagram, I don't see any problem since that is standard circuit for switching power supply. but I will looking for deep circuit analysis if you want me to do it. So, Mais

$150 USD in 5 dias
(21 Comentários)
4.6
Mahindika

Hi, I am Janith Kodithuwakku. I am an Electronic engineer with more 4 years of experience in Electronic design and product development. I think I can help you with your project. Please refer my linkedin profile if Mais

$150 USD in 3 dias
(6 Comentários)
3.0
sikanderabbas48

I am an Electrical Engineer having specialization in Electronics Control and Power, teaching at well known University in Pakistan. I have my BS degree in Electrical Engineering with specialization in Power. Also i hir Mais

$50 USD em 1 dia
(3 Comentários)
1.6
AbdRao

Hi Dear, I can help you in this project. This is exactly what we are doing in our project. Basically I am running a startup named as Invotech in the field of IoT. We are making different smart products. In one of o Mais

$222 USD in 3 dias
(3 Comentários)
1.7
Ramon1644

I have experence with IoT project. I can review schematic, pcb layout and 3D model for complete integration

$166 USD in 5 dias
(1 Comentário)
1.2
volkantozan

I am an experienced Electrical and Electronics Engineer living in Cyprus. I am specialized in Microcontrollers ESP3366, ESP32, Arduino, RaspberryPi. I also worked on lots of Matlab and simulink related projects.

$66 USD em 1 dia
(2 Comentários)
0.9
$49 USD in 2 dias
(4 Comentários)
0.8
relevantsystems

Hello Hiring manager How are you? I am an expert in electrical engineering with more than 8 years of experience and I have rich experienc e in developing various IoT devices using ESP8266 (it has only WiFi), ESP32 (it Mais

$155 USD in 3 dias
(1 Comentário)
2.9
Ahmadgeeks

Don't Forget ( Expert in everything was a beginner ). We have lot's of experience in this field but we are new on this online platform. Give us a chance to prove you that we are the best. Say hi in the chat box and we Mais

$61 USD in 2 dias
(1 Comentário)
0.6
denisugiarto

i have experience for coding esp8266 with arduino ide. your project is awesome. give me chance to help you.

$155 USD in 10 dias
(0 Comentários)
0.0
FernandoAGV

Dear Sir. I am very interested in participating in the revision of your circuit. Throughout my career I participated in many circuit reviews and fault detection. I am a Senior Electronic Engineer with experience Mais

$200 USD in 3 dias
(0 Comentários)
0.0
gustavobas

I am an electronic designer specialized in embedded systems. I have more than 10 years developing systems from pcb to applications. I've designed carrier boards for ARM soms and display boards(using hdmi and lvds). I Mais

$111 USD in 3 dias
(0 Comentários)
0.0
JhonZumaeta

Hola, Soy Ingeniero de desarrollo en software y hardware, tengo experiencia mayor a 7años desarrollando sistemas completos, desde el diseño y fabricación de los circuitos electrónicos pasando por las interfaces HMI, ha Mais

$222 USD in 3 dias
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0.0