波士顿 Waveshare MQ-2 煤气探测器用户手册说明书 MQ-2 Gas Sensor User Manual 1. Features MQ-2 gas sensor applies SnO2 which has a lower conductivity in the clear air as a gas-sensing material. In an atmosphere where there may be inflammable gases, the conductivity of the gas sensor raises ...
MQ-2(可燃气体) TECHNICAL DATA MQ-2 GAS SENSOR FEATURES Wide detecting scope Fast response and High sensitivity Stable and long life Simple drive circuit APPLICATION They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of LPG, i-buta...
//设置报警灯状态 void alarm_led_control(Sensor *sensor_handle, uint8_t status) { sensor_handle->Alarm_Led_Status = status ; if(sensor_handle->Alarm_Led_Status) HAL_GPIO_WritePin(SF1_LED_GPIO_Port, SF1_LED_Pin, GPIO_PIN_SET); else HAL_GPIO_WritePin(SF1_LED_GPIO_Port, SF1_LED_P...
Pololu item #:1480 Brand:Unspecified Status:Discontinued This product has been discontinued. This semiconductor gas sensor detects the presence of combustible gas and smoke at concentrations from 300 to 10,000 ppm. The sensor’s simple analog voltage interface requires only one analog input pin from...
IMpeg2PsiParser::GetRecordProgramMapPid method (Windows) MFPKEY_ASFMediaSource_IterativeSeekIfNoIndex property (Windows) IPropertyStore::GetValue method (Windows) System.Communication.FollowupIconIndex (Windows) SetInterfaceReceiveType callback function (Windows) ILogicalSensorManager::Connect method (Window...
MQUnifiedsensorMQ135(placa, Voltage_Resolution, ADC_Bit_Resolution, pin, type); voidsetup() { Serial.begin(9600); if(Serial)Serial.println("Serial is open"); WiFi.begin(ssid, password); Serial.print("Connecting"); while(WiFi.status() != WL_CONNECTED) { ...
6‑core CPU with 2 performance and 4 efficiency cores 5‑core GPU 16‑core Neural Engine Camera Pro camera system 48MP Main: 24 mm, ƒ/1.78 aperture, second-generation sensor-shift optical image stabilization, seven‑element lens, 100% Focus Pixels ...
Even the configuration and operation of the sensor system can impact its performance, as 39 have pointed out. The positioning of the gas outlet in relation to the sensor, as well as temperature and concentration, can also affect sensitivity and reading values over time. These variables can ...
6‑core CPU with 2 performance and 4 efficiency cores 5‑core GPU 16‑core Neural Engine Camera Pro camera system 48MP Main: 24 mm, ƒ/1.78 aperture, second-generation sensor-shift optical image stabilization, seven‑element lens, 100% Focus Pixels ...
The sensor need to be put 2 voltage, heater voltage （VH ） and test voltage （VC ）. VH used to supply certified working temperature to the sensor, while VC used to detect voltage (VRL) on load resistance （RL ）whom is in series with sensor. The sensor has light polarity, Vc need ...