目前该款产品拥有6通道模拟信号输入和1个SHT1x 温湿度数字输入口,通过模块中的芯片转化成RS485信号,最终由两端的端口输出。通过该设备,可以轻松实现多个点对点、长距离数据通信。只要一个RS485输出口,你就可以监控多个传感器的模拟信号。 由于RS485标准能够在复杂的电磁环境下长距离、高效率地传输信号。通过RS485,多个...
AI代码解释 #include<Arduino.h>#include<ArduinoRS485.h>#include<ArduinoModbus.h>#include<Wire.h>/** * Modbus slave/server */#defineSAMPLE_RATE50constintADDRESS=0x08;// Sensor I2C AddressconstfloatSCALE_FACTOR_FLOW=500.0;// Scale Factor for flow rate measurementconstfloatSCALE_FACTOR_TEMP=200.0...
RS485 Shield DFR0233 RS485 Sensor Node V1.0 DFR0231 NFC Module for Arduino DFR0225 Romeo V2-All in one Controller R3 DFR0222 X-Board Relay DFR0210 Bees Shield DFR0205 Power Module DFR0202 RGB LED Matrix DFR0188 Flymaple V1.1 DFR0182 Wirless GamePad V2.0 DFR0165 Mega IO Expansion Shield ...
Every sensor has its own calibration certificate or testing report. Veinasa-NPK Agricultural Nutrient Probe Digital Arduino Soil Test RS485 NPK Sensor AnalyzerQ:What's the delivery time? A: Usually, we dispatch goods in 3-5 working days after receivi...
是一款用于RS-485通信的低功耗、限摆率收发器2、板载接5.08(mm)间距2P接线柱，方便RS-485通信接线3...
Multiple Units can be connected to the same RS-485 bus wiring All Chip pins are brought out for proper controls Concept Of Project In this project , we will read the RS485 serial data usingSoftwareSerialport using RS485 TTL module.
(0);// read the value from the sensordigitalWrite(13,HIGH);key=get_key(adc_key_in);// convert into key pressif(key!=oldkey)// if keypress is detected{delay(50);// wait for debounce timeadc_key_in=analogRead(0);// read the value from the sensorkey=get_key(adc_key_in);// ...
Rs.140.00 Add to Cart Buy NowQuestion New 30C1500 Orange 11.1V 1500mAh 30C 3S Lithium Polymer Battery Pack Rs.1,375.00 Add to Cart Buy NowQuestion Soil-Agriculture Arduino Boards Featured Sensors New Soil NPK-pH-EC-Temperature-Moisture 7 in 1 Sensor RS485 ...
"); } void loop() { if (deviceConnected) { // json数据及其字符串化 doc["sensor"] = "sensor"; doc["value"] = 1234; String jsonString; serializeJson(doc, jsonString); // 发送Json字符串 pTxCharacteristic->setValue(jsonString); // 设定特性值 //Serial.println(jsonString); //pTx...
voidloop(){if(digitalRead(IR_Sensor)==HIGH)// if no obstacle LED off{digitalWrite(13,LOW);// LED off when no obstacle}else{digitalWrite(13,HIGH);// LED on when there is a obstacle}} Video demo: You may also like to read: