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Capteur Compteur électrique (analogique)
Prix :
1.300,00DA
H.T : 1.300,00DA
| Modèle : | DZD000094 |
| Fabricant : | IteadStudio |
| Disponibilité : | 10 |
| N° de visites: | 823 |
Electronic brick of electricity sensor is based on TA12-100 current transformer, which can transform AC signals of large current into small amplitude signals. The maximum current that can be detected can reach 5A, and the present current signal can be read via analog I / O port.
What is an electronic brick? An electronic brick is an electronic module which can be assembled like Lego bricks simply by plugging in and pulling out. Compared to traditional universal boards and circuit modules assembled with various electronic components, electronic brick has standardized interfaces, plug and play, simplifying construction of prototype circuit on one’s own. There are many types of electronic bricks, and we provide more than twenty types with different functions including buttons, sensors, Bluetooth modules, etc, whose functions cover from sensor to motor drive, from Ethernet to wireless communication via Bluetooth, and so on. We will continue to add more types to meet the various needs of different projects.
Features
1. Plug and play, easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market.
2. With use of M4 standard fixed holes, compatible with M4-standard kits such as Lego and Makeblock.
Specifications
| PCB size | 30.0mm X 24.0mm X 1.6mm |
| Compatible interfaces | 2.54 3-pin interface and 4-pin Grove interface(1) |
Note 1： S for analog output port, G for ground, and N for not used pin.
Electrical characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Transformation coefficient | - | 1000:1 | - | - |
| Input current | 0 | - | 5 | A |
| Output current | 0 | - | 5 | mA |
| Sampling resistor | - | 200 | - | Ω |
| Sampling voltage | 0 | - | 1 | V |
| Working frequency | 20 | - | 20000 | Hz |
| Working temperature | -55 | - | 85 | ℃ |
| Dielectric strength | - | 6 | - | KAC/1min |
DEMO
Connect S port of electronic brick of electricity sensor to A0 port of Arduino board, and we will use the following program to read the analog value, and the send it to computer for display via serial port.
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#define ELECTRICITY_SENSOR A0 // Analog input pin that sensor is attached tofloat amplitude_current; //amplitude currentfloat effective_value; //effective current void setup() {Serial.begin(9600); pins_init();}void loop() {int sensor_max;sensor_max = getMaxValue();Serial.print("sensor_max = ");Serial.println(sensor_max);//the VCC on the Grove interface of the sensor is 5vamplitude_current=(float)sensor_max/1024*5/200*1000000;effective_value=amplitude_current/1.414;//minimum_current=1/1024*5/200*1000000/1.414=24.4(mA)//Only for sinusoidal alternating current Serial.println("The amplitude of the current is(in mA)");Serial.println(amplitude_current,1);//Only one number after the decimal pointSerial.println("The effective value of the current is(in mA)");Serial.println(effective_value,1);}void pins_init(){pinMode(ELECTRICITY_SENSOR, INPUT);}/*Function: Sample for 1000ms and get the maximum value from the SIG pin*/int getMaxValue(){int sensorValue; //value read from the sensorint sensorMax = 0;uint32_t start_time = millis();while((millis()-start_time) < 1000)//sample for 1000ms{sensorValue = analogRead(ELECTRICITY_SENSOR);if (sensorValue > sensorMax) {/*record the maximum sensor value*/sensorMax = sensorValue;}}return sensorMax;} |
| Brick Type | Sensor Brick |
|---|---|
| Brick Interface | 3PIN |
| Brick Power Supply | 5V |
| Board Size | 30 × 24 × 1.6mm |
| LED Color | No |
| Weight | 25.00g |
| Model | IM120710018 |
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