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The inventory system is one of the most important managerial functions, because the majority of companies involve large investments in this aspect, as well as for PT Sango Ceramics Indonesia which uses a lot of inventory in the field of planning and controlling its inventory costs. PT Sango Ceramics Indonesia is a company engaged in the ceramic industry. Problems that often occur so far include the company not determining the frequency of ordering raw materials and storing raw materials, as a result the costs incurred by the company for ordering raw materials are quite high, and the absence of a safety stock to anticipate uncertain inventory needs. The Periodic Review method is a method that can help the process of controlling raw material inventory costs. This method uses an approach to the concept of the number of orders economically used in each period which is a diverse demand. The application of the Periodic Review Method (R, s, s) policy on the inventory system is able to produce a lower total inventory cost, order volume and inventory levels in a balanced manner. . Judging from these problems, the authors need to redesign the stock information system using a computer-based system, namely Microsoft Visual Basic. System design using Qlient Server which consists of input design, system design and procedure, output design fiber. This new system is expected to be able to overcome the weaknesses of the previously used information system.

The corona virus (Covid-19) has attacked almost the entire world, including Indonesia. Places where community activities must comply with health protocols, one of which is checking human body temperature. The measurement of human body sensors is a very significant difference even though it is applied to the same human body, this is due to several factors. This research analyzes the measurement results of the human body temperature sensor. This study aims to determine an effective and efficient human body temperature sensor. The process of measuring human body temperature uses a microcontroller-based temperature sensor. After the results of temperature measurements using different temperature sensors are obtained, the measurement results are analyzed and compared to obtain an effective and efficient temperature sensor. Based on the analysis, the results of measuring human body temperature using a thermal camera are an effective and efficient sensor.

The information system for purchases and cash disbursements is one of the entire information systems. In retail sales companies need control of purchases and cash disbursements that are precise and fast. In an effort to minimize sudden out-of-stock inventory, it is necessary to secure an inventory to cope with a sudden out of stock due to delays in purchasing goods that occur at CV. New Space. This is what encourages the author to conduct research on CV. Angkasa Baru and choose the title "Purchasing Information System and Cash Distribution at CV. New Space. In writing this research systemin formation, the author uses the Microsoft Visual Basic 6.0 application, the research writing method uses the Research and Development (R&D) model, while the stages of this research model go through the stages of observation or interviews with parties related to the data required in writing this thesis, stages of designing the application system, designing specifications, validation test stages, revision of validation until the system passes. The development method used by the author is the prototype method, where the system created will be tailored to the needs of the user, if there is a change in the system it will be repaired until the user is satisfied with the system.

The Madukoro gas station is one of the gas stations in Semarang where the payment and refueling systems are still done manually. In general, the manual payment and filling system has many obstacles, resulting in long queues because the service is not fast and effective, also triggering the exchange of counterfeit money because payment uses cash. The application of e-money technology based on microcontrollers is made to make a payment system using electronic money instead of cash that is integrated with fuel filling, this system aims to reduce the long queues that occur and also prevent the amount of counterfeit money circulating at gas stations and make services more fast and easy. The method used in the design of this system is to use the method of Research and Development (R&D) theory from Borg and Gill, starting with gathering information by interviewing Madukoro gas station supervisors and field surveys then designing and developing systems to overcome the problems obtained in research. The system design uses a microcontroller as a data processor that will retrieve data from a database that was previously inputted from the VB.Net application and e-money reader and outputs to instruct the pump to remove fuel from the tank in accordance with the calibration of fuel output per second. As information on the rest of the fuel in the tangka, this tool uses the help of a load sensor that will be displayed on the LCD. In general, this system will make services faster and easier, thereby reducing the number of long queues, but also to avoid the circulation of counterfeit money in gas stations Madukoro, Semarang.

Irrigation is a land irrigation system by damming water sources. Irrigation as the provision, regulation and disposal of water to support agricultural needs. Irrigation is generally used by farmers, especially farmers in rice fields to irrigate and provide water supply to agricultural land, monitoring water stock in rice fields must be done frequently because rice water needs must be balanced with a lack of water supply or excess water supply in rice fields is not good for rice growth . So far, farmers have monitored irrigation channels manually, the location of the rice fields from the farmer's house often causes rice plants to experience scarcity because the floodgates are not opened when the water supply is running low or experiencing water supply. excess because the floodgates are opened for too long, this will greatly disturb the growth of rice plants. Making a monitoring and control system for irrigation channels using a water level sensor installed on the ESP 8266 microcontroller (Wemos D1), the system uses a programming language c. This tool can be used to open the irrigation door if the water supply in the rice fields is below the minimum limit and will close the water gate when the water supply has reached the maximum limit, the servo motor is used to open and close the floodgates. . . The monitoring results obtained will be displayed to users in real time through the android application interface and will be stored in the form of a text file on the storage media.

For blind people, assistive devices to carry out daily activities are needed. If you don't use assistive devices, blind people will experience difficulties when carrying out daily activities such as reaching the obstacles that are near them. In designing the system using the Arduino UNO R3 microcontroller board as a controller, five ultrasonic proximity sensors to determine the distance and position from the user to the front and lower obstacles. In addition, the MP3 module and headseat are used as a marker for sound in the form of sound when detecting an object and the SIM800L module is used to send SMS and the GPS module is used to determine coordinates. The validation test shows the value of 31.5 is between 31- 40 which means that it is located in a Very Good (Valid) value. Keywords: Walking Aid, Blind, Ultrasonic Sensor, Microcontroller, Arduino Uno, GPS

Product distribution is a crucial element of the supply chain system that ensures the smooth flow of goods from producers to consumers at minimal cost and with high reliability. Distribution efficiency not only reduces operational costs but also improves customer satisfaction, market competitiveness, and business sustainability. In the context of Micro, Small, and Medium Enterprises (MSMEs), distribution efficiency becomes even more critical due to limited financial, human, and infrastructural resources. This study aims to analyze the product distribution efficiency of UMKM Kerupuk Jaya Pesona, located in Cinanggung Village, Serang Regency, Banten Province, by applying two classical transportation methods: the North West Corner (NWC) and Least Cost (LC) methods. Both methods were used to determine the allocation pattern that minimizes total transportation cost across three destination regions: Serang, Cilegon, and Pandeglang. The data include three couriers (as supply sources) and three market destinations (as demands), totaling 18,000 product units per distribution cycle. The results show that both NWC and LC methods yield the same total transportation cost of Rp 358,000,000, although their allocation patterns differ. This indicates that the supply–demand and cost structure of the UMKM’s logistics system is balanced. This research concludes that simple optimization methods such as NWC and LC can serve as practical decision-support tools for MSMEs without requiring complex computational models. The study also recommends the application of the Modified Distribution (MODI) method to verify the optimality of the solution and highlights the importance of logistics efficiency in strengthening MSME competitiveness in the digital era.

CV Aintzane Mandiri is a company engaged in the field furniture. The Raw Material Manager at CV Aintzane is not yet optimal. Purchase Raw materials need to be considered because they will affect the maturity raw material needs and affect the production process. The information system for the supply of raw materials is needed by the company determination of expenditure, input of raw materials, and can minimize supply of raw materials for optimal use throughout the process production. Designing and building a procurement information system using raw materials Material Requirement Planning (MRP) method with programming language Microsoft Visual Basic 6.0, WAMP as server and MySQL as database. The results obtained from this information system can be obtained planning raw material requirements and production optimally and accordingly with company expectations. Keywords : Materials Requirement Planning, Computerized Accounting, Wamp, MySql

Talang Gantung Adventure is engaged in learning services outside the classroom or open air which is usually called outbound. In carrying out operational activities there are always financial transactions. However, in Talang Gantung Adventure, financial management still uses manual recording, which is recording in a ledger. Financial reports to the owner of the Talang Hang Adventure are performed using Microsoft Excel. Manual Financial Management results in vulnerability in storing financial data and is difficult to find data so that it has not been effective and has difficulties in preparing financial reports. Based on this research the authors designed and made a financial management accounting information system website application Talang Gantung Adventure. The purpose of making this system is to facilitate the recording of financial transactions, facilitate the search for data and be safer in storing Talang Gantung Adventure data storage, and to produce financial reports that are easily reported to the owner of Talang Gantung Adventure wherever and whenever.

In line with the development of science and technology today, a job that is done requires fast-paced data and information. By getting data and information quickly, the company has the ability to develop faster. Inventory is a very important part for a company. Inventory of goods is one of the tasks of logistics management in a company, namely support in the procurement of goods for the company. In order for this support to be utilized, it is necessary to plan and carry out in an integrated manner, which is interrelated and supports between related elements. CV Sinar Karya Ungaran is a private company which is engaged in the distributor of Electric tools. CV Sinar Karya is located on the road Dabo II / D30 RT6 Nitibuana, Ungaran Regency Semarang Tel. (024) 3584074 - 3584075. This company has a wide enough working area covering Central Java and DIY. Because the working area is quite extensive and the number of processes in and out of goods, the company must be more careful in calculating inventory. In the process of recording and counting inventory at this time the company is still using Microsoft Excel so there are still many obstacles. In the process of recording and counting inventory at this time the company still uses Microsoft Excel. One of the difficulties experienced is the frequent occurrence of errors in making inventory reports. Besides making reports takes longer because there is no computerized database system. With the development of technology, especially in the field of computers, the authors try to create a computer-based inventory program using Visual Basic 6.0. This is expected to help companies in making goods inventory more quickly and accurately.

This study generally aims to design an information system that can handle problems in putting and sorting goods into warehouses at CV. Sekar Intan KIC Gatsu, Semarang. In terms of using the Information System, CV. Sekar Intan KIC Gatsu, Semarang. In the transfer and sort of goods in the warehouse still using a manual system when the implementation, warehouse employees must take and place the goods to the warehouse that has been determined each - each type of item, so employees must calculate the number of items when the goods take place, here various problems occur, because it requires some HR to manage the warehouse performance process at CV. Sekar Intan. To support the research, researchers used Research and Development (R & D) research methods through the microcontroller-based moving robot design simulation design stages that have been tested by experts declared valid with Valid validity levels and final product development design simulation prototypes carried out. goods transfer robot uses Arduino IDE development software that is integrated with Arduino Mega 2560, 6 pin line sensor, dc motor, motor driver, servo motor, motor driver, lcd, and has been tested in the field by General Adv. Administration and HRD as users / users and stated to be very effective. Based on the results of the research and discussion, it can be concluded that the robot design system developed can overcome the problems in the old system on the CV. Sekar Intan KIC Gatsu Semarang, so as to produce a system that can facilitate work processes and parking processes for employees to be more effective and efficient.

This study designed a system that is able to assist companies in calculating cash receipts and disbursements. The Accounting Information System for Cash Receipts and Expenditures will be equipped with the use of user log-ins to maintain the level of data security so that not just anyone can misuse the data. The system designed will also be equipped with security of access rights and data storage systems, providing a database using the Visual Basic 6.0 programming language that holds records of cash receipts and disbursements to be a good report, summarizing the process of moving data from ledgers to becoming cash reports flow, and can document each period's report so that it can be grouped properly. The research method used is the Borg and Gall R&D research approach which consists of 10 stages, out of 10 R&D stages the author only conducts the research approach to the 6th stage alone. and monitoring cash flow very well. In addition, it can also produce reports that are precise, accurate and efficient.

Recent technological developments determine humans to be creative in creating tools that implement technology in it with the aim of facilitating human tasks in daily activities. Inappropriate use of fertilizers can cause losses, both losses on fertilizer, on plants, as well as on the soil and the environment around fertilization. Losses on plants such as unhealthy plant growth and susceptible to disease pests, plant yields are not as expected or low. From the background above, the writer found an idea to create a system or tool that can help farmers in determining the dose of Nitrogen fertilizer in their rice plants, through the storage of the dosage data of each land. The user did five scans, from each scan producing RGB values, each RGB value from five samples was then matched with the BWD dose color indicator. The sample dose results are then sent by the NodeMcu microcontroller to the webserver database. Based on the assessment of the test conducted by 10 Users by Gapoktan Farmers Group of Tosari Kendal Village, the total value of 372 that has been averaged to be 37.2 is between 31 - 40 which is classified in the category of "Very Valid or Very Effective".

The advancement of information technology especially in computerized systems is snowballing. It is also backed by a range of demands from industry/ companies that want to abandon the conventional way of conducting business operations to the use of information technology. MÈMORE is a company engaged in the decoration and crafts industry. The company is now using a computerized system in the form of Microsoft Excel software to monitor the company's income and expense and the company often maintains a separate report in a special book. However, this causes problems for these businesses as there is no more efficient method for data processing or for handling the income and expense. In order to solve the problems of the company, a computerized system of financial management is required that will be tailored to the problems and needs of the owner of the business in order to support the company's growth with reliable, managed, and safe financial data. The system can also differentiate its use between the owner and the employee. It is useful for ensuring the confidentiality and protection of company revenue and expenditure data. 

The community's need for electricity is getting higher, so alternative energy sources such as solar heat are needed to replace energy sources from fossil fuels in meeting electricity needs. In this paper we design a two-axis solar tracker with an LDR sensor. A sun tracking system is a unit that is combined into one to control the position of the tracking device with the aim of making the surface of the solar panel module always facing the direction of sunlight. This research discusses the Prototype of the Sun Tracking System in Arduino Based Solar Power Generation Systems to get maximum solar energy. This system will make solar panels move automatically so that sunlight absorption can be maximized. The main control uses Arduino nano which gets input values ​​from the LDR sensor then is processed to the output system. With the control system method can automatically be seen the difference in the results of a fixed solar panel with a solar panel with a tracker, from the comparison we get a solar panel with a tracker to get more optimal results.  

Ikan asin adalah metode untuk pengawetan makanan menggunakan kombinasi penggaraman dan pengeringan matahari. Di kalangan masyarakat, pembuatan ikan asin banyak menggunakan bahan kimia berbahaya seperti formalin. Penambahan bahan berbahaya mempengaruhi kualitas terutama keamanan. Makanan yang aman didefinisikan sebagai makanan yang terbebas dari cemaran biologi, kimia, mikrobiologi, yang dapat mempengaruhi kesehatan. Karbon aktif diduga bersifat polar yang mampu mengadsorpsi formalin. Tujuan penelitian ini adalah untuk mengetahui pengaruh pemberian karbon aktif dalam mengurangi cemaran formalin pada “jambal roti”. Rancangan percobaan yang digunakan untuk percobaan yaitu Rancangan Acak Lengkap (RAL) 2 faktorial, dengan faktor pertama yaitu konsentrasi karbon aktif 0, 3, dan 6% serta perlakuan kedua yaitu lama perebusan selama 5, 10, dan 15 menit. Penelitian ini dimulai dari pembuatan “jambal roti” dengan penambahan formalin dan perebusan dengan karbon aktif kemudian dianalisis uji kadar formalin, NaCl, protein, dan air. Hasil penelitian menunjukkan bahwa konsentrasi karbon aktif dan lama perebusan memberikan pengaruh yang signifikan pada kualitas jambal roti. Semakin tinggi konsentrasi karbon aktif dan lama perebusan maka semakin berkurangnya kadar formalin pada jambal roti. Hasil terbaik penelitian ini adalah karbon aktif 6% dan lama perebusan 15 menit. Menghasilkan formalin 3.21 ppm, NaCl 9.40%, protein 42.00%, dan air 30.02%. Kata kunci: Karbon Aktif, Formalin, Jambal Roti, Lama Perebusan. ABSTRACT                 Salted fish was a method for food preservation using combination of salting and sun drying. Among the people, the manufacture of salted fish use hazardous chemical material such as formaldehyde. The addition of hazardous substances affects the quality especially the safety. Safe food define as food that free from biological, chemical, microbiological contaminants that can affect health. Active carbon suspected to be polar which able to adsorb formaldehyde. The purpose of this research was to determine the influence of active carbon in reducing formaldehyde in salted fish “jambal roti”. The research used completely randomized design (CRD) with 2 factors, the first factor was the concentration of active carbon 0, 3, and 6% and the second was the boiling time (for 5, 10, and 15 min). This research was started from making “jambal roti” with the addition of formaldehyde and boiling with active carbon then analyzed for formaldehyde content, NaCl, protein, and moisture. The result showed that the concentration of active carbon and boiling time had a significant effect in quality salted fish “jambal roti”. The higher the concentration of active carbon and boiling time the more formaldehyde in “jambal roti” were removed. The best results of the research was 6% active carbon and 15 min of boiling time. Resulting 3.21 ppm of formaldehyde, 9.40% of NaCl, 42.00% of protein, and 30.02% of moisture. Keywords: Active Carbon, Formaldehyde, Jambal Roti, Boiling Time

Virgin Coconut Oil (VCO) adalah bahan alami yang memiliki sifat antimikroba (antivirus, antibakteri, dan antijamur). Sehingga VCO dapat memberikan efek pengawet pada bahan makanan, salah satunya adalah roti manis. Penelitian ini dilakukan untuk mengevaluasi pengaruh VCO terhadap karakteristik (fisik dan kimia) dan umur simpan roti manis. Roti manis dianalisis secara fisik (tekstur dan porositas) dan kimia (kadar air, kadar abu, kadar lemak, kadar protein, dan kandungan karbohidrat), dan analisis umur simpan dengan FFA, uji organoleptik dan jamur setiap dua hari selama delapan hari penyimpanan di suhu ruang. Variasi perlakuan roti manis adalah dari rasio konsentrasi VCO: margarin: mentega, K (0%: 8%: 8%); A (4%: 6%: 6%); B (8%: 4%: 4%), C (12%: 2%: 2%); D (16%: 0%: 0%). Hasil penelitian menunjukkan bahwa VCO tidak memiliki pengaruh yang signifikan terhadap karakteristik fisik dan karakteristik kimia roti manis. Namun, VCO berpengaruh signifikan terhadap kadar air roti manis yang dihasilkan, roti manis K memiliki kadar air tertinggi (22,36%) dan berbeda dengan sampel roti manis lainnya. VCO secara efektif menghambat pertumbuhan jamur di roti manis pada konsentrasi 8%, 12%, dan 16%. Roti manis K dan A memiliki masa simpan 4 hari, sedangkan roti manis B, C, dan D memiliki masa simpan 6 hari.Kata kunci: VCO, roti manis, karakteristik, umur simpanABSTRACTVirgin Coconut Oil (VCO) is a natural ingredient that has antimicrobial (antiviral, antibacterial, and antifungal) properties. So that VCO can provide a preservative effect on food ingredients, one of which is sweet bread. This research was conducted to evaluate the effect of VCO on characteristics (physical and chemical) and shelf life of sweet bread. Sweet bread was analyzed physically (texture and porosity) and chemistry (moisture content, ash content, fat content, protein content, and carbohydrate content), and shelf life analysis with FFA, organoleptic and mold tests every two days for eight days of storage at ambient temperature. Treatment variations of sweet breads is from the ratio of the concentration of VCO: margarine: butter, K (0%: 8%: 8%); A (4%: 6%: 6%); B (8%: 4%: 4%), C (12%: 2%: 2%); D (16%: 0%: 0%). The results showed that VCO did not have a significant effect on the physical characteristics and chemical characteristics of sweet bread. However, the VCO has a significant effect on the water content of the sweet bread produced, sweet bread K has the highest moisture content (22,36%) and it is different from other sweet bread samples. VCO effectively inhibits the growth of sweet bread mold at concentrations of 8%, 12%, and 16%. K and A sweet bread has a shelf life of 4 days, while sweet breads B, C, and D have a shelf life of 6 days.Keywords: VCO, sweet bread, characteristics, shelf life

Nutmeg is known as a spice plant that has economic value and multipurpose because every part of the plant can be used in various industries. Compounds contained in nutmeg seeds include essential oils, a-pinene, b-pinene, limonene, myristicin, safrole, and methyl eugenol. Nutmeg plant nutritious as antidiarrheal, antidiabetic, antimicrobial. The purpose of this study was to make a formulation of rubbing oil and to determine the bacteriostatic activity of nutmeg seed oil on staphylococcus aureus bacteria. This study used three formulations, namely the provision of distilled water as a negative control, chloramphenicol as a positive control. The method used in this research is the well method. Bacteria that were incubated for 24 hours in the fastest concentration inhibition research were at 50% concentration because of bacterial growth which showed that the higher the concentration, the higher the inhibitory power and at 20% concentration the results were resistant, because the amount of solvent used was higher. low and can not inhibit the growth of microorganisms.