Feature summary
Operating voltage: 4.5 V to 5.5 V
Average current consumption: 30 mA (note: this sensor draws current in large, short bursts, and the manufacturer recommends putting a 10 µF capacitor or larger across power and ground close to the sensor to stabilize the power supply line)
Distance measuring range: 10 cm to 80 cm (4? to 32?)
Output type: analog voltage
Specifications:
Chip: MAX31855
Working Voltage: 3~3.6V
Temperature Measuring Range: -200°C to 1350°C
Temperature Resolution: 0.25°C
Output Mode: SPI Digital Signal
Module Size: 25mm * 15mm
Module Weight: 3g
Module features:
Test reflection distance: 1mm to 25mm
The working voltage of 3.3V to 5V
Output form: digital switch output (0 and 1)
Has a fixed bolt hole, convenient installation
Small board PCB size: 3.2cm x 1.4cm
The LM393, use of wide voltage comparator
Size:3.1x1.3cm(approx)
Features:
1.Low voltage, low power device, and with automatic power off switch.
2.3 wire interface can meet the various communication with the microprocessor.
3.Compared with MS5534A, the pressure range of the pressure drop (10 mbar) is improved.
1. Can detect surrounding environment of the humidity and temperature
2. DHT11 sensor adopts
3. Humidity measurement range: 20% ~95%
4. Humidity measurement error: ±5%
5. Temperature measurement range: 0℃~50℃
6. Temperature measurement error: ±2 ℃
7. Operating voltage:3.3 V~5 V
8. Output form:digital
9. Has fixed bolt hole and easy installation
10. PCB Dimension: 32 mm * 14 mm
01. Working Voltage Range: DC 4.5V- 20V
02. Current drain:<60uA
03. Voltage Output: High/Low level signal:3.3V TTL output
04. Detection distance: 3--7M(can be adjusted)
05. Detection range: <140°
06. Delay time: 5-200S(can be adjusted, default 5s +-3%)
07. Blockade time: 2.5 S (default)
08. Trigger: L: Non-repeatable trigger H: Repeat Trigger (default)
09. Work temperature:-20-+80°C
10. Trigger Method: L unrepeatable trigger / H repeatable trigger
11. Color: White + Green
12. Dimension: 3.2cm x 2.4cm x 1.8cm (approx)
13. Infrared sensor with control circuit board
14. The sensitivity and holding time can be adjusted
