ARDUINO-BASED INTELLIGENT SYSTEM FOR EARLY DETECTION AND ALERTING SPOILAGE IN FOOD

With the increasing dependence on smart approaches like mobile phones, there is a need for easy and rapid solutions to everyday problems in today\u27s technological age. An Arduino-based food detecting system is the foundation of this project. A few of the things that the microcontroller panel can do include reading inputs and outputs and activating the sensor. The typical practice of storing food in a refrigerator reduces the pace of bacterial production. It is important to identify and notify the user ofsome things that are either easily spoilt or have a short shelf life. The main idea behind this project is to use sensors to detect when food is starting to spoil. The system will continuously sense signals from the food and display the pH value of methane on a 16*2 LCD panel. It will also include a buzzer and LED lights, and it will send an alarm message to the registered mobile phone. -Arduino, MQ4 Methane gas sensor, LCD display, Wi-Fi ESP 8266, alert message, LED—these are the keywords for this spoiled food detector

Effect of physical mutagen on expression of characters in arid legume pulse cowpea (Vigna unguiculata (L.) Walp.)

Studies on physical induced mutagenesis, gamma rays were performed by exposing the healthy and dry seeds of cowpeavariety CO 4 to gamma rays 20, 30, 40, 50, 60 and 70 kR. The study was to evolve economically important mutants withvaried seed coat colour as against dark grey coloured seed coat of CO 4. The LD50 value was found at 50kR for 60 Cogamma rays. Under field conditions, germination, seedling survival, plant height on 30th day, pollen fertility, seed fertility,pods per plant, pod length, seeds per pod, 100 seed weight and single plant yield was reduced as compared to the control. InM2 generation, viable macro mutants like dwarf mutant, spreading type, late mutant, semi sterile type, single and tricotyledonary leaf mutant, basal branching, multiple leaf mutant, white flower mutant, chimeric mutant and seed coat colourmutant were observed. Gamma rays induced higher proportion of chlorophyll mutations. Single type and multiple typemutations occurred more frequently. Economically important macro mutants such as brownish white seed coat colourmutants were observed in M2 generation

Relationship between the yield contributing characters in cowpea for grain purpose [vigna unguiculata ( l). Walp]

The experiment was conducted using fourteen genotypes of cowpea collected from different states in India to study the nature ofgenotypic association between the eight yield contributing characters and direct and indirect effects of the different characters onyield. The study revealed that the days to maturity, number of branches per plant and number of pods per plant showed positivesignificant correlation with seed yield. Path coefficient analysis exhibited days to fifty per cent flowering, plant height, pods perplant showed positive direct effect on yield except days to maturity, branches per plant, seeds per pod and hundred seed weightwhich showed negative direct effects. The characters plant stand at harvest and pods per plant exhibited moderate direct effects onyield. The implications of the results revealed that selection can be done for days to maturity, number of branches per plant andnumber of pods per plant for improving the grain yield in cowpea

An Efficient RF Energy Harvesting System for low power applications

Next generations energy sources of Radio frequency [3MHz-300GHz] are the (QoS).The QoS is going to presents a on the progress of RF energy harvesting techniques. RF based wireless charging methodology are presenting the key to overcome the current issues in harvesting system Radio wave creates the radio frequency (RF) which is one of the sources of energy. The combination of electric and magnetic fields moving together in space forms the electromagnetic energy. The region in which these waves are found is called an electromagnetic field. In this modern electronic era radio waves can be used for many applications in according to the user requirements. Electromagnetic energy can travel through wireless medium so it can be used in a wide range of wireless applications.</jats:p