1. The current sensor chips: ACS712ELC-05B.
2. pin 5V power supply, on-board power indicator.
3. the module can be measured plus or minus 5 amps, corresponding to the analog output of 185 mV / A.
4. there is no the detection current through, the output voltage is VCC / 2.
5. PCB board size: 31 (mm) x13 (mm).
Note: ACS712 Hall detection principle, when you use to avoid magnetic field impact this!
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Features:
* Low power consumption
* Power supply for 2 ~ 5.5V DC
* Can replace the traditional touch of a button
* Four M2 screws positioning holes for easy installation
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
Description:
* adjustable sensitivity ( shown in blue digital potentiometer adjustment )
* Operating Voltage 3.3V-5V
* Module Dual Output mode , a simple digital output , analog output more accurate.
* with fixed bolt hole for easy installation
* small PCB board size : 3cm * 1.6cm
* power indicator ( red ) and the digital switch output indicator ( green )
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)
1. the output current DC/SCR/relay Control output: 100 ma / 5 v power supply
2. current DC < 25 ma
3. the response time < 2 ms
4. the pointing Angle: 15 ° or less, adjustable range 3-50 cm5,
5. test object: transparent or not transparent body
6. working environment temperature 25 ~ + 55
7. standard detection objects: the light from the sun under 10000 lx under incandescent light bulb 3000 lx
8. shell material: plastic
Electrical properties:
U: 5 V
I: 100 ma
Sn: 3-50 cm
Size:
17 mm diameter
The sensor length: 45mm
Lead length: 45 cm
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
