![]() So make sure the input voltage to this sensor never exceeds 18 volts. But it will damage the Nodemcu esp8266 module as the esp8266 is a 3.3v microcontroller, applying more than 3.6v on any pin can damage the chip. So this sensor can be used with the Arduino without any problem. We can find out the Output voltage, by using the voltage divider Let’s, first of all, calculate the output voltage of this sensor when the input voltage is 25 volts. The maximum input voltage of this module is 25 volts dc, but this applies when this voltage sensor is used with the Arduino, as the Arduino’s i/o pins are compatible with 5 volts. Let’s perform calculations for this circuit. As you can see the values of the resistors used in this module are 30k and 7.5k. It simply consists of two resistors connected in series, Which makes a voltage divider circuit. Let’s have a look at the circuit diagram of the voltage sensor, The s pin of the sensor module is connected with the analog pin of the Nodemcu esp8266 wifi module and the – pin is connected with ground of the nodemcu module. On the other side we have three male headers labeled as +…. The Voltage wire is connected with the vcc terminal and the ground is connected with the gnd terminal. But if you want to measure voltages higher than 25volts then you can watch my tutorial on how to modify this voltage sensor for monitoring higher voltages, in this tutorial I performed all the calculations.Īs you can see on one side we have a block terminal, this is where we connect the voltage and ground wires coming from The battery, solar panel or any other source. This is the Voltage sensor Module that we will be using today, This Module is capable of measuring the voltages ranging from 0.02445v to 25volts dc. I would appreciate your support in this way! I may make a commission if you buy the components through these links. Blynk application designing and finally.The battery voltage is displayed on the Gauge while the loads are controlled using the Numeric input buttons which I will explain in a minute. This is an IoT “internet of things” based project and is entirely based on the Nodemcu esp8266 wifi module and Blynk application. In this tutorial, you will learn how to monitor the Battery voltage from anywhere around the world and control DC light bulbs and other dc loads using 12v SPDT type relays. iot battery monitor Watch full Video Tutorial:.Recommended distance is less than 20m/65ft for optimal performance.Ģ Optional Temperature Sensor (TES) is required for temperature measurement.ģ Optional Hall Current Transformer (HCT) is required for battery current measurement. ![]() Up to16 Gigabyte SD/MMC Flash Memory CardĢ60 mm x 150 mm x 57 mm/10.2″ x 5.9″ x 2.2″ġ29 mm x 70 mm x 35.5 mm / 5.1″ x 2.7″ x 1.4″ġ00 mm x 27 mm x 70 mm / 3.9″ x 1.1″ x 2.8″ġ Maximum transmitting distance is rated at 50m/164ft in a non-concealed room or cabinet. SPECIFICATIONS TABLE BMS-DC-LCDⅡ (Data Collector)Įthernet x 1, RS-485 Modbus RTU x 1 Output Dry Contact Port x 3, Input Dry Contact Port x 1 Each battery works in the best condition possible so life span is maximized. With battery equalizer function activated, each battery block voltage remains close to the ideal value. Dedicated software for remote monitoring and data storageĮqualizes battery charge end voltage at battery level to prevent overcharging and guarantee best battery use and life. ![]() ![]() SMK version up to 120V for higher precision.Additional antenna for each battery to extend wireless range.Built-in SD storage memory card for battery history database up to 16GB.Protecting cut off voltage: preserves batteries form deep discharge.Available for different battery voltage and capacity.Real-Time Monitoring: block voltage, block impedance, temperature, string voltage & current.RS485 communications between RF receiver and touch screen to cover widest plant size.RF 2.4GHz, Wireless Communication Technology.Voltage Equalizer: equalizes the voltage of each battery of the string to improve battery life. ![]() Thanks to the RS485 communication between the RF receiver and the touch screen, it’s adapted for installation in very wide plants. The wireless communication between the batteries and the receiver truly simplifies the installation and the maintenance of the blocks. Enerbatt 3G extends battery life thanks to its unique built-in function of voltage equalizer. ![]()
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