PCBWay is a place that brings manufacturers and customers together. They always look at the needs of the customer from different regions in terms of quality, on-time delivery, cost-effectiveness and any other demanding requests. With more than a decade in the field of PCB prototypes and fabrication, PCBWay has proved its assurance from time to time. It takes a few hours for a design to get approved and then a couple of days to finish and ship. The etching, solder mask, and hole sizes are all done well and that is what matters to me. I’ve done several runs with PCBWay and am happy with the results, it’s good quality. Why I Choose PCBWay as My First Preference? Gerber file for Battery Status Monitoring System Gerber. I always prefer PCBWay for their quality assurance, fastest delivery and also for 24/7 customer support. Now come to the main part, where we need to order our PCB prototype. To give it a clean and professional look I decided to build its PCB prototype using EasyEDA software as it is so simple to use. Then I realised that we need to design the whole system small so that it will fit in a small box easily. In fact, the wiring also has a chance of loose connection. PCB DesignĪfter designing the schematic diagram of the Battery Status Monitoring System, the assembled components and wiring were too clumsy and looked unprofessional. Hence we have to form a voltage divider network to lower the input voltage. But the voltage of the Li-Ion battery goes up to 4.2V. The ESP8266 NodeMCU can support direct input Analog voltage of 0V-3.3V (A0 pin) as it has an inbuilt voltage divider circuit. Different types of BMS can also be used for this purpose. We also use the TP4056 (or MCP73831) battery charging module to charge our 3.7V Li-ion battery as it is suitable for a battery management system. This WiFi module can interface with the WiFi network and uploads the data on a real-time basis to the server. We use NodeMCU ESP8266 Board here as the main microcontroller of this project. We will design and implement a battery monitoring system to monitor the battery health status along with voltage, charging, and discharging. Circuit Connection of Battery Status Monitoring System The battery I am using has a discharge cut-off voltage of 2.8V. If you see the manufacturer datasheet, it is clearly mentioned that the cut-off voltage is 3V and varies depending on the battery type and applications. When the battery gets the full charge, the maximum voltage is gone to around 4.2V. Most Lithium-Ion batteries have a nominal voltage of 3.7V. The batteries have a high energy density, no memory effect and low self-discharge. Li-ion batteries use an intercalated lithium compound as the material at the positive electrode and typically graphite at the negative electrode. Lithium-ion batteries are commonly used for portable electronics and electric vehicles.ĭuring charging, lithium ions move from the positive electrode through an electrolyte to the negative electrode, and vice versa when discharging. A lithium-ion battery or Li-ion battery is a type of rechargeable battery. The main component of our project is the lithium-ion battery. Must Read Top IoT Projects for Engineering Students Then the Arduino IoT will display the battery voltage along with the battery percentage in both the charging and discharging cases. ![]() In this IoT-based Battery Monitoring System, we will use ESP8266 to send the battery status data to the Arduino IoT cloud server. Now we can get directly notified about the battery status via smartphone from anywhere. ![]() But the Internet of Things makes this problem easy for us. This ensures the safety and proper handling of Lithium-Ion or Lithium Polymer batteries.ĭue to some limitations, it only can monitor the battery’s health and indicates to the user accordingly. BMS monitors all the properties of the battery like the voltage, current, and temperature as well as control the auto-cut-off feature. Most electronic devices have a separate protection system called a Battery Management System (BMS). So, it is important for us to monitor the voltage level of the battery, as excessive charging/discharging may lead to damage to the battery badly. ![]() It powers the entire system where constant power is not reachable. Through this, we can monitor the total charging or discharging status along with battery voltage and percentage 24/7.Īs we know, the battery is the most important electronics part for any portable devices as well as some non-portable devices. In this project, we designed an IoT-based Battery Status Monitoring System using the ESP8266 NodeMCU board.
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