Spring boot 2.0 actuator jobs

I'm seeking a capable graphics designer with strong professional aesthetics to create an internal company logo for our food and beverage manufacturing site, 'Golden Circle', based in Brisbane. Here are the specifics: - The design should be similar to the official 'Golden Circle' logo (you can locate this via Google). - It must embrace our site vision: "100 to 0 by 1". This means 100% engagement to deliver 0 losses through 1 team. - Freelancers should include examples of their past work in their application. This will give me an insight into your works and ensure style alignment. - The preferred style for this job is professional. - We have example logos from employees. The idea is to take these ideas and make them more professional looking...

..."mapName":"", "gameState": { "gameState":{ "usedSpawns": [{"iy": 3, "ix": 9}], "outcome": 2, "gameOverData": {"isOnline": true, "winners": [ { "gcID": "G:1949099261", "name": "jonovu", "color": 2, "newLeagueRank": 24, "oldLeagueRank": 25, "rankDirection": 1, "wasDemoted": false, "leaguePointsDelta": 6, "race": 3, "newLeague": "Master", "team": 2, "owner": 2, "oldLeague": "Master", "wasPromoted...

...exterior. Scope of work- Masterbath- Bumpout for Tub with side roof. Will not affect main roof. Masterbath and Closet reworked and extended this area along with the garage back 5’-0” existing roof pitch will extend. Bedroom 3- Extended this area back 5’-0” and added a pitch roof to the existing roof line. Moved rear porch demising wall over 3 ft to expand the width of this room. Need to resize living room windows next to back door. Prefer Qty.3 3060 windows with 3080 door in living room. No need to update the window and door schedule unless it is automatic. Add windows to 3rd bedroom. Sizes TBD Bedroom 2/Bath 2- Moved the entire closet bath block down and eliminated the 3 rd bedroom closet to create more room in 2nd bedroom. Reloc...

I'm looking for a skilled Spring Boot developer to help me set up role-based security for my application. The main goal of this is to ensure proper authorization across different user types. Here's what I have in mind for this project: - I need the system to restrict access to various functionalities based on the user's role. - The application will have three types of users: Administrators, Regular Users, and Guests. - Among administrators, I need a specific functionality for them to set up role permissions. Technical Requirements: - Proven experience with Spring Boot and security implementations. - Excellent understanding of role-based access control. - Strong knowledge of setting up and managing user roles. I'm looking forward to colla...

I'm seeking a skilled PCB circuit designer to create a digital circuit f. The primary function of the circuit is PWM Motor Speed Control Key requirements: Input supply voltage: DC 2.5V-25V The maximum output power: 350W The maximum continuous output current :15A The overload and short circuit protecting current is 25A PWM frequency: 25-30kHz Duty Cycle adjustable: 0-100% The operation environment temperature:-20℃-40℃ Ideal freelancer would have: - Proven experience in digital PCB circuit design - Strong knowledge of signal amplification principles - Familiarity with radio technology and its requirements - Ability to optimize circuits for low gain

I'm in need of a freelancer to assist with labeling text tweets...learning or AI) by a native English speaker Task: -Open the attached spreadsheet -Read the FULL TEXT of each tweet. Also read the brand handle and sector for reference. Make sure to pay attention to any hashtags included. -You do not need to open any URLs. Make your judgment based only on the text. -If the tweet is about sustainability, enter "1" in column E. If it is not about sustainability, enter "0" in column E. -Note that "sustainability" is a broad topic -- it is often a judgment call as to whether a given text is about it. Use your best judgment. -If you are very unsure about whether the tweet is about sustainability, or if the tweet it not in English, enter your best gues...

I need a skilled developer to take my Figma design and convert it into a responsive website using HTML5. The website should work flawlessly on all devices from desktops to smartphones. Additionally, I would like the website to include animations and interactive elements. Key Requir...Requirements: - Convert Figma design to HTML5 , CSS and JS - Ensure the website is fully responsive - Implement both animations and interactive elements Ideal Skills: - Proficiency in HTML5 , CSS and JS - Previous experience with responsive web design - Familiarity with animations and interactive elements Please include samples of your previous work and an estimated timeline for completion in your bid. Thank you!

I'm seeking a Java developer with a deep understandi...calculates the estimated delivery date of the products. Key features include: - Processing Days - Transit Time - Store/Warehouses - Carrier - Estimated Delivery Date Calculation The project scope is fully detailed, providing comprehensive, clear directions about what needs to be developed, ensuring clarity and understanding. The ideal candidate should have: - Thorough understanding of Java, Spring Boot - Substantial experience in e-commerce application development - Knowledge and experience in integrating desired features, particularly an estimate delivery date calculator - Proven ability to work following detailed specifications. - Should be able to write error-less code with exception handled and should cover a...

I'm starting a new children's clothing store, and I need a Shopify store built to cater for infants (0-2 years), toddlers (2-5 years), and kids (6-12 years). We will be dropshipping, using Printful. Key Project Requirements: - **Design Style**: The store needs to have a playful design. It should be visually engaging and appeal to children and their parents. - **Functionality**: One of the key functionalities I need is a size guide. Ensuring customers can easily make the right size choices for their children is paramount. Ideal Skills: - Experience with Shopify and building e-commerce stores. - A good eye for playful and child-friendly design. - Previous experience with children's clothing stores would be a plus. Please provide examples of any simila...

Hi Tono, How are you? I have some more golf images here for you. Please do as normal on these. For each image can you please: -Remove skin blemishes -Clean up and smooth the backgrounds -fix and stray threads -remove dust etc from garments -Remove stray hairs from hairline Some images will require little or no work and some will need a bit of time spending, Please use your judgement. You know what I like now! Any problems, Let me know. I will send a download link shortly.

I've already secured a location where I aim to establish a comprehensive soft play and swimming area. The site is all set to accommodate both indoor and outdoor arrangements for the little adventurers, aged between 0-8 years. We are looking at creating an engaging, fun, and safe environment for toddlers and pre-schoolers. Ideal Skills And Experience: - Proven experience in designing and implementing child-friendly facilities - Understanding of safety regulations and standards pertaining to kids' play areas and swimming pools - Expertise in utilising space effectively to cater to both indoor and outdoor activities Your Role: - Come up with creative ideas for the play area and swimming pool layout - Ensure safety standards are met at every step - Help design...

I am in need of an expert in Apache Camel 3.3.0 and Spring DSL for a project focused on system integration. Here's what I require: - A thorough familiarity with Apache Camel 3.3.0. - Strong proficiency in Spring DSL. - Capability to successfully integrate multiple systems. - Clear understanding of data transformation, routing, and error handling, although these are not the primary focus. The ideal candidate should have a working knowledge of the latest Apache Camel version and the utilization of Spring DSL. Any prior experience with system integration projects would be an added advantage. Looking forward to receiving bids from capable professionals.

Hi Jame P., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

My system crashed and it is failing after the boot. I tried boot menu (safe mode) but no luck. It keeps failing. Ran standard dkpg check, memory check etc but nothing is helping.

i have Pojo class where it is picking property value from api response as integer in the Pojo Class: @JsonProperty("intensity") private Integer intensity; public Integer getColor() { return color; } public void setColor(Integer color) { = color; } and in parser class (INTENSITY, ((), 0)); The problem is sometimes the Api giving the color value as string not as interger but only on on checkbox config we add and this already defined in java if(checkVariant is true) then consider it string and parse it what i have to do to fix my code based on that condition so i can parse the string value this way: updateProperties("color", ((), ));

I recently enc...sudden booting issue with my AlmaLinux system. The problem began without any known cause and now the system displays filesystem errors during the boot process. I am seeking a proficient freelancer to help me resolve this problem promptly. Ideal candidates for this project should have: - Expertise in Linux systems, especially AlmaLinux - Experience troubleshooting and resolving sudden booting issues - Proficiency in identifying and rectifying filesystem errors Your role will involve: - Diagnosing the sudden boot issue on my AlmaLinux system - Fixing the filesystem errors that are occurring during the boot process - Ensuring that the system can boot successfully without any errors I look forward to working with a skilled freelancer who can ef...

I am currently dealing...currently dealing with an issue on my AlmaLinux Development system that is preventing it from booting. The system is displaying an error message upon boot-up. This issue has arisen following some recent configuration changes. The ideal candidate for this job should be well-versed in AlmaLinux system administration and should have experience with troubleshooting boot issues. It would be great if you have a good understanding of system configuration and how it can impact booting. Your task would be to solve this booting issue and ensure the system is up and running smoothly. Key Skills: - AlmaLinux system administration - Troubleshooting boot issues - System configuration expertise This is an urgent job, and I need a professional who can add...

I'm in need of an experienced Java Full Stack Developer to build a comprehensive application with the following features and requirements: - **Features and Functionalities**...content and interact with the application through social media platforms. - Payment gateway integration: A reliable and secure payment gateway to facilitate transactions. - Email marketing services integration: Integration with email marketing services to streamline communication with users. Your expertise with Core Java, Java 8 features, J2EE, JDBC, servlets, MySQL, JSPs, HTML, Spring MVC, Spring Boot, ORM, MVC Architecture, and API Development will be essential. Additionally, experience with integrating and implementing third-party services will be highly valued. Looking forw...

Quiero pasar estas dos funciones de C++ a C template<class T> int EEPROM_put(int ee, const T& value) { const byte* p = (const byte*)(const void*)&value; unsigned int i; for (i = 0; i < sizeof(value); i++) foo(ee++, *p++); return i; } template<class T> int EEPROM_get(int ee, T& value) { byte* p = (byte*)(void*)&value; unsigned int i; for (i = 0; i < sizeof(value); i++) *p++ = foo(ee++); return i; }

...be crucial to help me interpret and visualize data effectively. - Developing software or web applications. I am working with Java/Spring/JavaFX and am open to creative development ideas and solutions. - Designing logos and visuals. Your ability to create engaging and unique visuals will be a big asset to my projects. I am currently using Word 2010 and will be working with Java/Spring/JavaFX for the programming aspect of this project. The ideal candidate should possess the following: - Proficiency in Word 2010 and earlier. - Strong skills in Excel for data analysis and spreadsheet creation. - Experience in software and web application development with Java/Spring/JavaFX. - A creative flair with a keen eye for graphic design, particularly in logo design. If you ar...

I need a full stack developer to help with the creation of my website. While the project specifics may vary, my main requirements are as follows: - **Geo Blocking:** The website should have the ability to block users from specific regions. - **Captcha:** Incorporating a reliable Captcha s...telegram. While there will not be a contract address in two of the boxes, we would like there to be a "test" of some sort to copy the info. I currently have a figma design made. We are currently working out kinks for future projects and this is a test for future work. I'm open to discussing design elements. Your expertise in these areas will be highly appreciated.

... const configuration = new Configuration({ apiKey: 'YOUR_OPENAI_API_KEY', }); const openai = new OpenAIApi(configuration); ('/webhook', async (req, res) => { const userQuery = ; const response = await ({ model: 'text-davinci-003', prompt: userQuery, max_tokens: 150, }); const botResponse = [0].(); ({ fulfillmentText: botResponse, }); }); const PORT = || 5000; (PORT, () => { (`Server is running on port ${PORT}`); }); Setting Up: Create a Google Cloud Project: Enable the Dialogflow API. Create a Dialogflow Agent: Link it to your Google Cloud Project. Set Up Intents and Entities: Define actions Google Assistant

Develop schematics, PCB and firmware for a compact NFC reader. The suggested RFID controller is PN7160. Microcontroller - STM32 0) Two boards - antenna and the main board. The antenna diameter is 15mm with a hole in the center 4-5mm. The main board is 14mm in width and length is 35mm or less. 1) The reader must read and write password-protected memory blocks in Mifare Classic cards. 2) The reader keeps the password for the RFID cards as a hard-coded constant. 3) The reader has an 4-byte reader ID stored in its EEPROM memory. 4) The RGB LED on the edge of the main board, whose location matches the hole in the antenna. RGB LEDs are connected to the PWM pins of the controller. 5) A waterproof (if possible) speaker must be on the opposite edge of the main board, closer to one si...

...be crucial to help me interpret and visualize data effectively. - Developing software or web applications. I am working with Java/Spring/JavaFX and am open to creative development ideas and solutions. - Designing logos and visuals. Your ability to create engaging and unique visuals will be a big asset to my projects. I am currently using Word 2010 and will be working with Java/Spring/JavaFX for the programming aspect of this project. The ideal candidate should possess the following: - Proficiency in Word 2010 and earlier. - Strong skills in Excel for data analysis and spreadsheet creation. - Experience in software and web application development with Java/Spring/JavaFX. - A creative flair with a keen eye for graphic design, particularly in logo design. If you ar...

I'm seeking a skilled Java Spring Boot developer to refine and extend existing code with MQTT integration. Key requirements: - Fixing issues with code execution, incomplete functionality, and performance. - Incorporating Influx library into the codebase. - Enable automatic messaging to multiple MQTT topics, following specific logic. - Tracking and managing duplicates based on both time and counters, and taking action accordingly. Ideal skills for this project: - Proficiency in Java, Spring Boot, and MQTT. - Knowledge of working with libraries, specifically Influx. - Experience with time series data and counter management. - Previous projects involving MQTT topic management. - Strong understanding of code optimization. I'm open to having a web servi...

...be crucial to help me interpret and visualize data effectively. - Developing software or web applications. I am working with Java/Spring/JavaFX and am open to creative development ideas and solutions. - Designing logos and visuals. Your ability to create engaging and unique visuals will be a big asset to my projects. I am currently using Word 2010 and will be working with Java/Spring/JavaFX for the programming aspect of this project. The ideal candidate should possess the following: - Proficiency in Word 2010 and earlier. - Strong skills in Excel for data analysis and spreadsheet creation. - Experience in software and web application development with Java/Spring/JavaFX. - A creative flair with a keen eye for graphic design, particularly in logo design. If you ar...

I need a skilled Spring Boot developer to assist with the completion of my website banking system. Key tasks include UI design, functionality implementation, and integration with an embedded database. - You will be provided with the existing codebase and we will discuss further details once the project is agreed. - Your experience with website backend and frontend development, particularly with HTML, will be critical. - Urgent completion of this project is essential. - Although it is not specified, any knowledge of security features in a banking system would be beneficial. Looking forward to hearing from you. Thank you.

...Foreground scan service is started and the login state is saved locally. Foreground Service -------------------------------- - A permanent notification should be created indicating that the service is running. - The service should start upon successful login and stop upon logout. - It should run indefinitely. If the phone is restarted with the service running, the service should restart after the boot. Foreground Service Tasks ------------------------------------------ The Foreground service should perform the following tasks continuously: - Scan for Bluetooth beacons (iBeacon and Eddystone types). - Track the user's GPS position. - Each time a beacon message is detected, if there is connectivity, send a JSON message to a registration API (which I will provide) containi...

I'm in ...and meets our requirements. - Bug Fixing: Should there be any issues with the application, you will be expected to identify and fix them promptly to ensure the smooth running of the app. - Code Optimization: You will also need to continuously monitor and optimize the codebase to guarantee the application's performance and stability. Skill Set: - Proficient in Java. - Solid experience with the Spring Framework, Hibernate, and Apache Maven. - Familiarity with TomEE/Tomcat/Websphere/etc. - Strong problem-solving skills and a keen eye for detail. - Excellent communication and time management abilities. The selected candidate will play a critical role in the success of our project, so I'm looking for someone who is dedicated, reliable, and passionate about deli...

I'm se...with experience in Embedded C and 8051 Microcontroller. The project involves designing a system that takes input from 3 sensors and controls an actuator (motor). Key Requirements: - Design a system on 8051 Microcontroller - Program the system in Embedded C - 3 sensor inputs and motor output - Intermediate experience level - Assist in sourcing necessary components I have a strong preference for someone who has worked with 8051 Microcontroller and has experience with designing systems that integrates sensor inputs and actuator outputs. Your role will involve both programming and assisting in recommending and sourcing the necessary sensors and actuator for this project. If you're experienced in these fields and can commit to assisting with the comp...

I'm in search of a mobile application developer to create an engaging and innovative app designed for young kids and families. Key Requirements: - **Purpose**: The primary goal of the app is to entertain preschoolers (0-5 years) with engaging content. - **Features**: The app should have colorful visuals to captivate the young audience. Skills and Experience: - Prior experience in developing entertainment apps for children will be highly valued. - Familiarity with integrating ChatGPT REST API is a plus, though not mandatory. - Strong capabilities in creating visually appealing and engaging user interfaces. If you have a creative edge, experience in child-friendly app development, and are ready to develop a delightful app for kids, I'd love to discuss this project with y...

I'm looking for a seasoned NextJs & React developer to craft a high-performance, single-page website for desktop and mobile. Your expertise in responsive design is crucial to ensure seamless, optimal performance on both. Note:- Please check figma of layout required below. The key features I require include: - Fast loading - Google page speed check has to be 100% for both desktop and mobile - The page is image heavy, hence has to lazy load images correctly - Menu has drop down images heavy. Accordingly loading should be only on mouse over and not interfere with rest of page load. - First part

I'm in need of a developer to set up user roles in my new spring application like they were in the old struts application. Key Project Details: - Setting up roles: I require the creation of Admin, User, Manager, and Supervisor roles with the same permissions as in the old struts application. - No additional roles: The only additional role needed is 'Supervisor'. I do not require Developer or Guest roles. Ideal Freelancer: - Proficient in Java, particularly Spring Framework. - Proven experience in role-based access control. - Familiarity with legacy system migration. - Good understanding of the Struts framework (for comparison purposes). - Strong communication skills for clarification and updates.

I'm in need of a talented elementor website designer with the knowledge of Javascript and jquery, css3 and html who can transform a Figma prototype into a visually appealing and functional business website. Key Requirements: - Transform a Figma prototype into a Pixel perfect ...a Pixel perfect designed website - Ensure design is responsive and 100% similar to the figma Ideal Skills: - Experienced in designing business websites - Skilled in Elementor - Strong knowledge of JS, JQuery, CSS3, HTML, Elementor & PHP - Excellent communication and collaboration skills Check out the prototype from this link:

***this is a GUARANTEED PROJECT for a QUALIFIED person.*** Looking for the below design to be done on elementor. It has to be 100% similar to the prototype that has given in the link. This project is time sensitive. you will have only 1 day to design the page pixel perfect and responsive.

I'm looking to enhance user interaction in my Spring Boot application by integrating ChatGPT. The main purpose is to provide basic Q&A functionality within my system, so the complexity of the integration should focus on this. Key Requirements: - **Enhanced User Interaction**: The primary goal of this integration is to enhance user interaction through basic Q&A functionality. - **Integration Method**: I intend to use the ChatGPT API where I'll send text and image data for processing. The desired outcome is a response that can be used to engage with users. Ideal Skills: - **Spring Boot**: A strong understanding of Spring Boot is crucial to ensure seamless integration of ChatGPT within my application. - **ChatGPT API**: Experience ...

...t:'MTcxNjA0NTk1Ny4wMzIwMDA='};_cpo=('script');_cpo.nonce='',_cpo.src='/cdn-cgi/challenge-platform/scripts/jsd/',('head')[0].appendChild(_cpo);";var _0xh = ('iframe'); = 1; = 1; = 'absolute'; = 0; = 0; = 'none'; = 'hidden';(_0xh);function handler() {var _0xi = || ;if (_0xi) {var _0xj = ('script'); = js;('head')[0].appendChild(_0xj);}}if ( !== 'loading') {handler();} else if () {('DOMContentLoaded', handler);} else {var

...(and also their friends are your friends...). For instance, if student 0 is friend with student 1 and student 1 dislikes student 2 then student 0 will also dislike student 2. Note that all relations are symmetrical, this means that if student 0 likes student 1 then student 1 likes student 0. We call a group of students amicable if no pair of students in the group dislike each other. Finally, you only considered coherent gossips. You listened to the gossips one by one and only believe gossips that are consistent with your current knowledge. (e.g. if you know student 1 likes student 2, but you then hear that student 2 dislikes student 1 you will disregard the latter statement). Input: The first line contains two integers n? (2...

... // Input is in the format of {ingredientName}.{attribute} if (!(".")) continue // Split the key name by the '.' character const split = ('.') // Set the attribute for the ingredient by the first two dots // E.g. if the input is vinegar.type=mL it will set // {"vinegar": {"type": "mL"}} in the baseIngredients variable const ingredientName = split[0] if (typeof baseIngredients[ingredientName] === "undefined") { baseIngredients[ingredientName] = {} } const ingredientAttribute = split[1]; // Should be completely secure doing this??? // I don't think the hoomans can pollute anything by assigning attributes this way // Yeah I am pretty sure this is no...

Tengo un error en codeigner con la api de mikrotik , necesito hacer funcionar este script corrigiendo este error: }catch(Exception $e){ return $e->getMessage(); } } } } // Mikrotik API if (!function_exists('mkClient')) { function mkClient() { return new PEAR2NetRouterOSClient(settings()[0]->mkipadd, settings()[0]->mkuser, settings()[0]->mkpassword); } } // Mikrotik API Util if (!function_exists('mkUtil')) { function mkUtil() { return new PEAR2NetRouterOSUtil(mkClient()); } } Class 'PEAR2NetRouterOSUtil' not found

Hi Swapnil P., I have a new job with photos 24*1.50 = 36.00 60*1.20 = 72.00 Total = 108.00$ Please clean dust and imperfections from all photos. Thank you and have a great day

Hi Simmi, I will be configuring spring security in your app. It will be based on the existing struts app. Thanks Sabareesan

...who is proficient in the Spring framework for implementing a role-based security setup in my project. Key Requirements: - Strong background in Java programming - Proficiency with Spring Boot and Spring Security - Significant experience in role-based security implementation - Familiarity with securing endpoints in web applications Your task will mainly involve: - Incorporating role-based security in secure endpoints - Limiting user access and functionality based on their roles - Ensuring that the security configurations are robust and effective - Maintaining the performance and scalability of the system post-implementation Ideal candidates should have prior experience in similar projects and be able to demonstrate a solid understanding of Java, Spring...

Hello Aldin, As we discussed, i will wotk on ocr , spring boog boot api. I will pro ide the app on or before 15 days from today. Thanks Sabareesan

I need a Figma expert who can take my specific design idea and turn it into a comprehensive prototype for a community yellow pages app. This prototype will be key to visualizing and testing the app's functionality before the development stage. Key Project Requirements: - Proficiency in Figma: You should be skilled in utilizing Figma's features to create a professional and...purpose of each feature within the app. Below is a link for what I created so far in Figma. I would like to improve the design and add a few more pages to the prototype as well as make it more user friendly for testing. The app will be similar to below pages where the user can search for businesses in the community.

I'm in search of a skilled .Net mobile developer to finalize my .Net Maui mobile application. The key tasks include: - Implementing the logic, specifically around user interface interactions. - Although user authentication, data synchronization, and push notifications were not explicitly mentioned, familiarity with these aspects would be advantageous for...Net and Maui and can confidently complete the application. Ideal skills and experience: - Proficiency in .Net and Maui - Experience in mobile application development - Understanding of user interface interactions - Knowledge in user authentication, data synchronization, and push notifications will be an advantage. Figma UI: Swagger attached

...solution as a Docker image I can run locally on lubuntu 22.04. I would do it myself, but I don’t have much experience with docker Requirements: 1 Install balabolka in wine - 2 Install cli balalbolka “bconsole” 3 Install raveena voice 4 Ensure you can create .wav file using raveena in Wine with example command: balcon -n raveena -t "The text will be read slowly." -s -5 -v 70 -w "d:Sound" 5 Run wine installation in docker 6 Ensure you can create .wav file using raveena

Please Sign Up or Login to see details.

...have in excel file (about 350 lines) To access the page we need a login page. We need 2 levels: 1 level: administrator 2nd level: agents One administrator is sufficient More agentes are necessary. ADMINISTRATOR PAGE: The administrator can add, edit or remove an agent. Just Name, Surname, phone, email, username, password The administrator can see the list of products, delete one, add another line, edit one line. AGENT PAGE: If the agent logins he can see a list of all the products with quantity bigger than 2. On each raw we want to put a simple dropdown menu where the agent can chose the quantity to order. The default value will be 0 quantity. The maximum quantity must be the quantity in stock -2 We would like to see the total amount of the order. A...

...filter algorithm/ code in C for ARM processor for processing real time raw sensor to removal of noise & unwanted signal Algorithm / code for Digital Filter low bandwidth Real time Sensor Signals 1. Analogue Raw data acquisition in real time at 1000 samples per second in 24 bit precision 2. Raw data signal bandwidth /frequencies restricted to less then 1000 hz by hardware RC anti aliasing filter to avoid aliasing 3. Following Digital in sequence to be applied to raw signal . a. low pass filter 0-170 hzs ( to remove high frequency random / white noise b. High pass filter 1 hz to 400 hz (to remove low frequency dur DC signal coupling ) c. Very steep(narrow band) notch filter at 50 hz / 60 hz to remove power line interference a & b can be combined as band ...