MQ-3 Alcohol Sensor Module Ethanol Breathalyzer Ethanol alcohol sensor module.MQ gas sensor uses a small indoor heater with an electrochemical sensor.When the alcohol molecules in the air comply with the electrode the ethanol "changes" into acetic acid and then more current is produced.MQ-3 Alcohol Sensor Module Ethanol Breathalyzer features:- Main chip: alcohol sensor MQ-3 and comparator LM393- Working voltage: 5V- Current: 150mA- Digital output: TTL 0/1- Analog output: analog voltage sensing value- Detection concentration:- 0.05mg/L - 10mg/L- Quick response features:- Adjustable sensitivity with the potentiometer- Size: 32mm x 20mmx 18mm Code S0009 Available Price €2.95
DHT22/AM2302 Temperature Humidity Sensor The DHT22 humidity sensor is presented in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement. This sensor, unlike DHT11, is capable of measuring negative temperature values and measures tenths of a degree. DHT22/AM2302 Temperature Humidity Sensor features: - Voltage Operating: 3 to 5.5 VDC - Humidity measurement range: 0-100% ± 2% accuracy - Temperature measurement range: -40ºC to 80ºC ± 0.5º accuracy - Maximum sampling rate: 2 seconds Code S0018 Available Price €3.95
DS18B20 Temperature Sensor 0.5ºC TO-92 Also available with waterproof casing and 100cm cable and 200cm. DS18B20 Temperature Sensor TO-92 0.5ºC Precision 5V Integrated features:- Device function: Temperature sensor- Type of output: Digital- Supply voltage: 3V to 5.5V- Accuracy: ± 0.5ºC- Temperature threshold: Programmable- Operating temperature: -55ºC to + 125ºC- Encapsulated: TO-92- Supply current: 1.5mA Code S0014 Available Price €1.95
Precision Temperature Sensor TO-92 LM335 LM335Z-ST Precision Temperature Sensor TO-92 LM335 LM335Z-ST features:- Power supply from 5 to 30 Vdc- Connection through analog input- Temperature range from -40ºC to 100ºC- Linearity +10 mV / ºK- Accuracy of measurement: ± 2 ° C- Manufacturer: Texas Instruments Code S0120 Available Price €3.99
DS18B20 Probe 2m Submersible Temperature Sensor Encapsulated with water resistant stainless steel with sensor dimensions 5.5*50mm, cable length 200 cm. DS18B20 Probe 2m Submersible Temperature Sensor features:- Based on the DS18B20 chip- Supply voltage: 3 ~ 5.5V- Consumption <5mA- Measuring Range: -55 °C to 125 °C- Accuracy: +/- 0,5ºC- Outputs: - GND black - Vcc red - Yellow digital output- Inocidable steel- Cable length: 2m Code S0015 Available Price €3.79
LM35DZ Temperature Sensor TO-92 LM35 Temperature Sensor LM35DZ TO92 features:- The output is linear and each degree Celsius equals 10 mV- Power supply from 4 to 30 Vdc- Connection through analog input- Temperature range from 0ºC to 100ºC- Linearity +10 mV / ºC- Quantity: 1 unit Code S0016 Available Price €2.49
Analogical Acoustic Sensor 4-Pin Microphone Sound Detector Module Sound detection module for Arduino projects, smart cars. Analogical Acoustic Sensor 4-Pin Microphone Sound Detector Module features: - Adjustable High Sensitivity Acoustic Sensor - LM393 comparator chip - Integrated indicator LED - AO analog output, output voltage signal in time real microphone - DO digital output, sensitivity adjustable through potentiometer - Frequency Range between 30 and 15000 Hz - Power 4 ~ 6V - Measurements 36x16x15mm Code S0017 Available Price €1.79
5.8GHz Doppler Radar Motion Sensor 5.8GHz Doppler Radar Motion Sensor features: - Microwave motion detector module - The main applications can be security alarms and sensors, Automatic door systems, ATM machines, car reverse systems, light sensors, can also be used for traffic monitoring and monitoring applications. - High resistance to radio-frequency interference - Frequency: 5.8GHz - Operating Voltage: 3.3V - 20V TTL 3.3V - Standby Current: 3mA - Detection Range: 3-8 meters, 360 degrees - Power of Output: 2mW - Dimensions: 32x23 mm - R6 - time-delay; initial value 2.2k - 1s, without delay resistance 30s, can be adjusted up to 250k - R9 - for sensitivity adjustment Code M0112 ✗ Out-of-Stock Price €4.46
Current Sensor ACS712 AC/DC 30A for Arduino Sensor used to measure the current in the circuit to which it is connected. Characteristic: - Output: Analog - Power: 5V - Accuracy: 1.5% - Measuring capacity: +/- 30A - Dimensions: 31 x 13 mm Code M0028 Available Price €3.39
DHT11 Temperature and Humidity Sensor The humidity sensor DHT11 comes in a plastic body ideal for mounting on a panel or similar. It uses a capacitive sensor that returns a digital signal with the measurement. DHT11 Temperature and Humidity Sensor features: - Operating voltage: 3 to 5 VDC- Humidity measurement range: 20-95% ± 5% accuracy- Temperature measurement range: 0ºC to 50ºC ± 2º accuracy- Maximum sampling rate: 2 seconds- Working current 2.5mA- Iterfaz 1-wire- Dimensions: 2.3 x1.2x 0.5cm- Quantity: 1 unit Code S0010 Available Price €2.49