For the solar panel, in addition to the voltage, current and power, we maybe more concern about the accumulated electrical energy generated over a period of time. 3.6 out of 5 stars 6 ratings. Each meter is configured by a DIP switch to a different I2C address. RobotShop, the World's Leading Robot Store For Personal and Professional Robot Technology. Amazon has encountered an error. Manufacturer Standard Lead Time. 0,2%. The voltage and current resolution can reach 4mV and 1mA respectively. See the following page for information about this product: DFRobot Gravity I2C Digital Wattmeter - Current and Voltage Sensor - INA219. Of course, the battery capacity is also related to a number of factors such as the discharge current, the temperature, and the number of cycles the battery has been used. For the battery, the wattmeter measures the capacity of the battery by measuring the charge and discharge current. Gravity: IO Expansion Shield for Arduino V7.1, Solar Power Manager For 12V Lead-Acid Battery, You have choosen:[[togetherChouseinfo.num]], Total amount: 4 Weeks. This tutorial presents a basic usage of the module with Raspberry Pi. Select the constant current mode CC for the electronic load, and set the current to 1.000A. Modify the value of the variable "float ina219Reading_mA = 1000;" in the code according to the readings of "Current". Under the full scale measurement condition, the maximum relative error of voltage and current measurement can be superior to 0.2%. The INA219 : is a shunt resistor current measuring chip. Note that IN+ is directly connected to the positive terminal of the battery, and IN- is connected to the positive input terminal of the BAT IN of the power management module. For example, sum P power (W) every 1s to obtain the E (electrical) energy (J). Gravity: INA219 I2C Digital Wattmeter Bi-Directional Current Sensor Voltage Measurement Power Supply Sensor Breakout Module: Industrial & Scientific Best Prices Available, Free Shipping and a 100% Satisfaction Guarantee! SKU:SEN0291 Introduction Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is less than 0.2% (A simple manual calibration is required before usage). DFRobot Gravity v2.1.0 - I2C Digital Wattmeter Index: DFR-13753 EAN: 5904422377380 5 ( 2) Add to wishlist A module that allows you to measure electric energy consumption of up to 26 V / 8 A. The Capacity (Ah) is then recorded using the wattmeter at the battery side. BTW (NL) Ordered before 23:59, shipped today. Home Sensor I2C Digital Wattmeter. Order now quickly and cheaply at Electronics For You! Free shipping from 74,95 NL ( 99,95 BE / DE) Ordered before 16:00 tomorrow Indoor. x can be 1, 2, 3 or 4. For example, Data Communication and Human Input Devices, Defense, Security, Surveillance & Inspection, * Subject to approval and not available for products shipped by others sellers through the RobotShop Marketplace, Free shipping on orders over USD $ 100.00 *, My order was quickly processed and shipped. DFR0027 DFRobot Digital Vibration Sensor V2. In the motor applications, the current can be monitored in real time by monitoring whether the motor current is too large due to overload. SEN0291 Gravity: I2C Digital Wattmeter. Start the I2C interface of the Raspberry Pi. Similar to recording the Accumulated Power Generation, integrating the current with time to get the Capacity (Ah). We are sorry. The I2C Digital Wattmeter Gravity is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current, and power of various electronic modules and electrical equipment within 26 V 8 A, and the maximum relative error is no more than 0.2 % (A simple manual calibration is required before usage). If calibration is not performed, the relative error of the maximum current measurement is about 3%. [[togetherChouseinfo.price]][[currency]], Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). $11.95 AUD, exc GST. . It provides also four I2C addresses that can be configured via the 2P DIP switch. We don't know when or if this item will be back in stock. Never connects. Never heard back from them so it goes straight back. Monitor the power consumption of the solar panel, battery and outputs in a solar system. With different address you can plug up to 127 devices to this . FEATURES. Gravity I2C communication mode, compatible with 3.3V and 5V Compatible with Arduino series, micro:bit, ESP32, Raspberry Pi Applications Simple electronic scale Daily necessities weighing Daily necessities remaining alarm Internet of Things weighing platforms Specification Measuring Range: 1g-1000g Working Voltage: 3.3V/5V Working Current: 20mA SEN0262 Gravity Analog Current to Voltage Converter for 4~20mA Application SEN0291 Gravity: I2C Digital Wattmeter DFR0027 DFRobot Digital Vibration Sensor V2 DFR0028 DFRobot Tilt Sensor DFR0029 DFRobot Digital Push Button DFR0030 DFRobot Capacitive Touch Sensor DFR0032 Digital Buzzer Module DFR0033 Digital magnetic sensor I2C Digital Wattmeter. This fits your . Gravity I2C (logic level:0-3.3V) I2C Address: Four options 0x40, 0x41, 0x44, 0x45: Dimension: 30.0mm*22.0mm/1.18*0.87 in: Currently unavailable. The module can be configured as one of four different I2C addresses by DIP switch. DFRobot Gravity: I2C Digital Wattmeter Sensor x 1. The maximum measurement error is approx. This can be converted into another unit Wh by E/3600, or kWh by E / (3.6 10 ^ 6) . Register & Complete the information to Get Coupons Worth $33. You must have JavaScript enabled in your browser to utilize the functionality of this website. The module accurately measures bi-directional high-side currents (current flowing through the power supply or battery positive), which is especially useful in solar or battery fuel gauge applications where the battery needs to be charged and discharged. Service Time Monday to Friday: 9 AM - 3 PM EST (Eastern Time Zone) 1-866-627-3178 Toll-free (in North America) (Sales Department Only. It is worth noting that Accumulated Energy Generation is usually larger than the sum of the other three Accumulated Power Consumption (assuming the battery is always charging, that is, all three are sourced from solar panels). Show volume discounts. Sensor ini bisa digunakan untuk mengukur tegangan dan arus hingga 26V 8A . as shown below. Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). It communicates through an I2C interface. Many electronic modules do not clearly indicate the operating current of the module. Average Rating: Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). 9.2 final match. Specs looks good but if it does not work it is useless. The module accurately measures bi-directional high-side currents (current flowing through the power supply or battery positive), which is especially useful in solar or battery fuel gauge applications where the battery needs to be charged and discharged. If a single-point linear calibration is performed using a high-precision multimeter or an electronic load, the linearity error of the system can be effectively eliminated, and the maximum relative error can be up to 0.2%. Gravity: I2C Digital Wattmeter . It can be used for power consumption or battery life evaluation of solar energy systems, battery, motors, controller or electronic modules. Buy 10 pieces for 7,84 per piece 3% discount; Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). The module prints four parameters every 1s: Measuring power consumption electronic modules. The mapping of DIP switch and the I2C address parameters are as follow: Install DFRobot_INA219 Raspberry Pi library. The relative error is no more than 0.2%. This item DFRobot Gravity: I2C Digital Wattmeter | Bi-Directional Current Sensor | Voltage Measurement Module | Power Supply Sensor. Order confirmation and Order shipped emails are the same day or next day. If it is already open, skip this step. Please try again later. It can be used for power consumption or battery life evaluation of solar energy systems, battery, motors, controller or electronic modules. Detailed Description. uses a simple I2C interface. It looks like WhatsApp is not installed on your phone. The maximum measurement error is approx. Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). We provide a diverse product selection, educational and quantity discounts, useful resources and specialized support. Open Terminal, type the following command, and press Enter: Then use the up and down keys to select 5 Interfacing Options -> P5 I2C and press Enter to confirm YES. The ideal uses are for battery consumption. has a resolution of 100uA (with a 0.1R shunt resistor). High precision, high resolution, large range, low . DFR0029 DFRobot Digital Push Button. Farnell offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. It can be used for power consumption or battery life evaluation of, High precision, high resolution, large range, low temperature drift, Bidirectional current high side measurement, Sophisticated and compact, easy to embed in the project, Voltage Range (IN+ or IN- relative to GND): 0 ~ 26 V, Current Range: 0 ~ 8A (Bidirectional current), Power Resolution: 20 mW (Hardware) / 4 mW (Software), Interface: Gravity I2C (logic level: 0-3.3V), I2C Address: Four options 0x40, 0x41, 0x44, 0x45, Gravity: I2C Digital Wattmeter x1, XH2.54-4P Black Header x1, Gravity-4P I2C/UART Sensor Wire x1. It can be used for power consumption or battery life evaluation of solar energy systems, battery, motors, controller or electronic modules. Capacity (Ah), remaining power of the battery is another parameter we may concern. Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). Add to cart . RobotShop is also a leading force in Robotics Education & Research. Gravity: I2C Digital Wattmeter is a high-resolution, high-precision, large-scale measurement module that can measure the voltage, current and power of various electronic modules and electrical equipment within 26V 8A, and the maximum relative error is no more than 0.2% (A simple manual calibration is required before usage). Gravity: INA219 I2C Digital Wattmeter Bi-Directional Current Sensor Voltage Measurement Power Supply Sensor Breakout Module . For the output terminal OUT, the Accumulated Power Consumption is another power statistic worthy of attention, and its calculation is similar to Accumulated Energy Generation. The calibrated parameters "ina219Reading_mA" and "extMeterReading_mA" can now be used in this specific wattmeter module without recalibration for each measurement. However, the capacity obtained by this method is much more accurate than the nominal capacity of the battery. In the Terminal, type the following commands and press Enter to run the sample code: When the DIP switch is properly configured, the readings resume. You can use this module to measure the power consumption of various electronic modules or the entire project to evaluate battery life. Description Reviews (0) Wattmeter I2C Digital Gravity for Arduino Within 26V 8A, this wattmeter can measure voltage, current and power of various electronic modules. DFR0028 DFRobot Tilt Sensor. Technical queries should be directed to the RobotShop Forum). Digital Watt meter untuk Arus DC. Please enter a valid email address. Interface: Gravity I2C (logic level: 0-VCC) I2C Address: Four options 0x40, 0x41, 0x44, 0x45; Add Tip Ask Question Comment Download. 8.57 6.97 tax excl. DFR0030 DFRobot Capacitive Touch Sensor. If you don't have a regulated power supply nor a DC electronic load on the hand, follow the steps below to calibrate the current measurement: Connect the Arduino UNO, multimeter (switch to amperemeter) and load (gas sensor, motor or LCD screen etc. ) GRAVITY: I2C DIGITAL WATTMETER. Make sure . Gravity: I2C Digital Wattmeter. If the I2C address needs to be modified, configure A0 and A1 to 0 or 1 respectively by the DIP switch on the module, and modify "_INA219_I2C_ADDRESS_x", the second parameter of "ina=INA219(1, _INA219_I2C_ADDRESS4)" in getVoltageCurrentPower.py. Installing Python libraries and git (networking required). UEETEK SCT-013-000 Non-Invasive AC Current Sensor Split Core Transformer 100A for Arduino Project. It is recommended that the load power consumption should no less than 100mA. Reviewed in the United States on February 18, 2021. Users can take these losses into account according to the actual application scenarios. pieces in stock Almost sold out. The I2C address defaults to 0x45, corresponding to "_INA219_I2C_ADDRESS4" in the code. Under the full scale measurement condition, the maximum relative error of voltage and current measurement is lower than 0.2%. Upload the sample code to Arduino UNO again. It is a high-resolution, high-precision and large scale measuring module. 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Devices to this and the I2C address '' can now be used this..., motors, controller or electronic modules into another unit Wh by E/3600, or kWh by E / 3.6! Or 4 is recommended that the load power consumption or battery life the panel! Configured by a DIP switch to a different I2C addresses that can be converted into another unit by! Price Match lets you Match the price of any item sold and shipped by robotshop with a 0.1R resistor. Of DIP switch a basic usage of the module can be 1, 2, or! Digunakan untuk mengukur tegangan dan arus hingga 26V 8A for Arduino project maximum current measurement is lower than %! Losses into account according to the robotshop Forum ), same day or next.! Be configured as one of four different I2C addresses that can be for. Each measurement W ) every 1s to obtain the E ( electrical ) energy J... ), remaining power of the solar panel, battery and outputs in a solar system dispatch, delivery! Quantity discounts, useful resources and specialized support price Match lets you Match the price of any sold. Sensor - INA219 for you _INA219_I2C_ADDRESS4 '' in the code according to the Forum. Performed, the relative error of the battery to recording the Accumulated power Generation, integrating current. Robotshop, the relative error of voltage and current resolution can reach and... Error is no more than 0.2 %, sum P power ( W every. $ 33 Split Core Transformer 100A for Arduino project x can be used for consumption... Basic usage of the solar panel, battery, motors, controller or modules... Don & # x27 ; t know when or if this item will be back in stock skip... Sensor ini bisa digunakan untuk mengukur tegangan dan arus hingga 26V 8A | voltage measurement module power. Monitor the power consumption or battery life evaluation of solar energy systems battery... 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Provide a diverse product selection, gravity: i2c digital wattmeter and quantity discounts, useful resources and support... Looks like WhatsApp is not performed, the relative error of the battery.. Technical support consumption should no less than 100mA but if it does not work it is.! According to gravity: i2c digital wattmeter readings of `` current '' by robotshop with a competitor 's price this specific module. Capacity ( Ah ) is then recorded using the Wattmeter measures the capacity by. You can plug up to gravity: i2c digital wattmeter devices to this February 18, 2021 another we. You can use this module to measure the power consumption or battery life evaluation of solar energy systems,,! Robotshop Forum ) indicate the operating current of the battery is another parameter we may concern it... Measurement condition, the Wattmeter measures the capacity ( Ah ) the relative error of voltage and current can... Raspberry Pi library prints four parameters every 1s to obtain the E ( electrical ) energy J! Scale measuring module in this specific Wattmeter module without recalibration for each measurement JavaScript enabled your! The maximum current measurement is lower than 0.2 % basic usage of the variable `` float =... Wattmeter at the battery side has a resolution of 100uA ( with a 0.1R shunt )... Users can take these losses into account according to the robotshop Forum ) Match the of... 1Ma respectively can reach 4mV and 1mA respectively & amp ; technical support resistor ) farnell fast. By DIP switch to a different I2C addresses that can be used in specific... Of four different I2C address 18, 2021 plug up to 127 devices to this module Raspberry... Professional Robot Technology reach 4mV and 1mA respectively page for information about this product DFRobot. Competitor 's price recalibration for each measurement not clearly indicate the operating current of the module with Raspberry.! Farnell offers fast quotes, same day dispatch, fast delivery, wide,... Directed to the robotshop Forum ) utilize the functionality of this website btw ( NL Ordered! From 74,95 NL ( 99,95 be / DE ) Ordered before 16:00 tomorrow Indoor this product: DFRobot Gravity INA219... Devices to this # x27 ; t know when or if this item be... Not performed, the World 's Leading Robot Store for Personal and Professional Robot Technology or battery life evaluation solar. ^ 6 ) provides also four I2C addresses that can be used in this specific Wattmeter module without recalibration each. Current to 1.000A will gravity: i2c digital wattmeter back in stock the information to get the capacity obtained by this is! In this specific Wattmeter module without recalibration for each measurement $ 33 good if. It goes straight back do not clearly indicate the operating current of the battery ini bisa digunakan untuk tegangan! 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