Proximity – Ktechnics Systems

IR Infrared obstacle avoidance…

shop1 — Wed, 20 Apr 2022 12:12:47 +0000

IR Infrared sensor(FC-51) shop here

Applications:

Obstacle avoidance in robots
Production counting on assembly lines
Presence detection
Security systems

Features IR Infrared sensor(FC-51):

green indicator shows the sensing elenment And the OUT port sustains low signal output.
module detects the distance of 20~300mm and angle of 35 °.
potentiometer adjusts the detection distance. Clockwise adjusts potentiometer, distance increases; counterclockwise adjusts potentiometer, distance decreases.
reflectivity and shape of target is the key to detect the distance.
sensor module output port OUT can be directly connected to the microcontroller IO port, or directly drive a 5V relay. Connection mode: VCC-VCC; GND-GND; OUT-IO.
Adopts LM393 comparator, has stable performance.
power 3 or 5v. red to indicate on
Has 3mm screw hole, which is convenient for fixing and installation.
The threshold comparison voltage has been adjusted through the potentiometer.
detects black and white lines

Specifications:

Model Number: FC-51
Detection angle: 35 °
Operating Voltage: 3.0V – 6.0V
Detection range: 2cm – 30cm (Adjustable using potentiometer)
pcb size : 3.1 cm (L) x 1.4 cm (W)
Overall Dimension: 4.5cm (L) x 1.4 cm (W), 0.7cm (H)
Outputs Low logic level when obstacle is detected
Outputs High logic level when obstacle is not detected

Aluminum Magnetic proximity se…

shop1 — Mon, 29 Mar 2021 11:11:57 +0000

Aluminum Magnetic proximity sensor

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Product Description Aluminum Magnetic proximity sensor

Magnetic proximity switch is the general term of sensors， which replaces limit switch and other contact detection methods and in addition aims at conducting detection without contact with the detection object.
It can also detect the move and existence information of the object and transform them into electrical signals.
adding on to that it has a “proximity switch” that can detect without physical touch
There are different types of proximity switch, such as magnetic induction, electrostatic capacity, ultrasonic, photoelectric, Hall and so on.
It is widely used in the position alarm of automobile for example , intelligent home, safety protection and industrial control area

Features

– High stability, high reliability and high consistency. – Multiple magnetic field sensitivity range, capable of mat with magnet trigger.

– in addition Excellent gas tightness and long service life.

– User can customize the hosing color, wire direction, wire rod, and terminal, etc.

Application Fields

– Intelligent home appliance

– Auto industry

– Safety alarm

– Industrial position control alarm

SP119 aluminum housing door alarm switch

1.Magnetic door contacts

2.ISO9001-2016/TS16949

3. Variety of output signal

4. OEM&Customized

5. Long active distane to 100mm

Electrical Specification

Model 1

Power(max) 70W

Voltage (max) (DC) 200V

AC Voltage (max) (AC) 250V

DC Current (max) (DC) 1000mA

Current (max) (AC) 1000mA

Breakdown Voltage(min) 400V DC

Carry Current (max) 1.75A

Contact Resistance (min) 90mΩ

Operating Temperature -40°C~+80°C

more information click here

Proximity NJK-5002C(NPN) Switc…

ktechnic — Wed, 20 Jan 2021 08:15:41 +0000

Proximity NJK-5002C(NPN) Switch

Description Proximity NJK-5002C(NPN) Switch

Model: NJK-5002C
Supply voltage 5-30VDC
Detection distance 10mm (effective detection distance 0-10mm)
Load current 150MA (no more than)
Output form NPN three lines
Output state normally open (NO)
Detect objects metal material
Product Material Metal parts: Copper plastic components: PBT
External leads 1.2 m (standard, others according to customer requirements)
Output indication LED (red)
Form Factor Diameter: 12MM thread length: 32MM Overall Length: 37MM

Package Included:

1X Hall Effect Sensor Proximity Switch NPN 3-Wires Normally Open

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more info

Pyroelectric Infrared Sensor…

ktechnic — Wed, 20 Jan 2021 08:11:07 +0000

Pyroelectric Infrared Sensor Human Body Detecting PIR Motion Sensor Module for Arduino MCU Board 120 degree

Description:

Size: Ф11.8MM

Focal length: 5MM

Thickness: 0.6MM

Material Science: HDPE

Reaction angle: 120 degree

Reaction distance: 5m

Shipping Included:

1PCS*Pyroelectric Infrared sensor Human Body Detecting PIR Motion Sensor Module for Arduino MCU

RFID Dekstop Smart Card Reader…

ktechnic — Wed, 20 Jan 2021 07:56:40 +0000

Description

R20D series it’s a high performance, lower price 125 Khz RFID Reader without driver, reader distance up to 80mm, Widely used for RFID Radio Frequency Identification system and project, Such as Automated parking management system, Personal identification, Access controller, Production Access control, etc

Name	125KHz ID Reader (R20D)
Dimension	104mm×68mm×10mm
Reader colour	Black
Support	Em4100,TK4100,SMC4001 and compatible card
Frequency	125KHz
Reader time	<0.5s
Power Supply	+5V DC
Consumed Current	100mA
Operating Distance	0~80mm
Port	USB
Status Indication	1pc LED
Service Temperature	-10degree~ +70degree
Store Temperature	-20degree ~ +80degree

HC-SR05 PRECISION ULTRASONIC D…

ktechnic — Wed, 20 Jan 2021 07:39:42 +0000

Description

Ultrasonic sensors overcome many of the weaknesses of IR sensors – they provide distance measurement regardless of colour and lighting of obstacles.

They also provide lower minimum distances and wider angles of detection to guarantee that obstacles are not missed by a narrow sensor beam.

THIS particular model is an upgrade from the lower precision HC-SRO4. This has 5 pins and can be used in 1-pin trigger/echo or 2-pin.

Features

Trigger Pin Format: 10 uS digital pulse
Sound Frequency: 40 kHz
Echo Pin Output: 0-Vcc
Echo Pin Format: output is DIGITAL and directly proportional with range. See our conversion formula above.
Measurement Range: 2cm to ~4.5m
Measurement Resolution: 0.3cm
Measurement Angle: up to 15 deg
Measurement Rate: 40 Hz
Supply Voltage: 4.5V to 5.5V
Supply Current: 10 to 40mA
Connector: standard 5-pin male connector which can plug directly into breadboards.

Documents

LJ12A3-4-Z/BX Inductive Proxim…

ktechnic — Wed, 20 Jan 2021 07:37:29 +0000

Description

Proximity sensor that detects nearby metal, including aluminum foil; a great solution for heated bed calibration.
The LJ12A3-4-Z/BX proximity sensor will detect large metal fields at 4mm distance with great precision.
This allows you to accurately measure the distance to an (aluminum) heated bed for example.
If you are using a glass plate as your print surface, you can use aluminum foil right below the glass, which will also be detected by the sensor (mirrors however are not detected).
The sensor is equipped with a small red detection LED, indicating a nearby object.
The sensor has an M12 threading and includes a nut for easy mounting to your 3D printer or CNC machine.
The LJ12A3 is a NPN Normally Open (NO) type of proximity sensor, which means when nothing is detected the resistance on the black wire is high.
Upon detection the resistance will be low and connects to ground. Use the internal pull-up on your Arduino.
Most modern 3D printer firmwares have some sort of auto bed leveling procedure available, but you will need to enable it.
You can use this sensor as the z_min_endstop for example, replacing your current end stop. Most firmware will also use the min endstop as a probe, but some allow a separate probe to be defined.
This sensor operates at 6-36V, so as the signal voltage is the same as the input voltage, also the signal will be 6-36V.
You will need to down-convert the voltage to acceptable level for your electronics. Put a 10K resistor between the black signal line and your 5V electronics input to avoid damage.

Drawing

Capacitance Proximity LJC18A3-…

ktechnic — Wed, 20 Jan 2021 07:26:02 +0000

DESCRIPTION

It is a component widely used in automatic control industry for detecting, controlling, and noncontact switching.
When proximity switch is close to some target object, it will send out control signal.
As it is capacitive type proximity switch, its detecting object target is not limited to only conductor, but also liquid and even powder things, like plastic, water, glass, oil, etc.
It’s widely used in machine, paper making, light industry for limiting station, orientation taking count, speeding trial ect.

FEATURES

Product Name : Capacitive Proximity Switch;
Model : LJC18A3-H-Z/BY;
Wire Type : DC 3 Wire Type (Brown, Black, Blue);
Switch Appearance Type : Cylinder Type
Theory : Capacitance Sensor;
Output Type : PNP NO(Normal Open);
Diameter of Head : 18mm;
Detecting Distance : 1-10mm
Detecting Object : Metal or Nonmetal Material;
Supply Voltage : DC 6-36V;
Current Output : 300mA;
Response Frequency : 100Hz
Operating Temperature : -25?¡ãC to +65?¡ãC (Non-freezing Condition);
Cable Length : 120cm/47″;
External Material : Plastic, Alloy

PIR Passive Infrared IR MOTION…

ktechnic — Wed, 20 Jan 2021 07:15:54 +0000

Description

This is a highly integrated module popularly used for entry detection, it can simply and easily to adopt in system. There are two adjustable potentiometer on the module, you can use them to change the trigger sensitivity and the duration of the trigger signal.

Specification

Input Voltage: DC 4.5-20V
Static current: 50uA
Output signal: 0,3V or 5V (Output high when motion detected)
Sentry Angle: 110 degree
Sentry Distance: max 7 m
Shunt for setting override trigger: H – Yes, L – No

ULTRASONIC SENSOR RX/TX PAIR…

ktechnic — Tue, 04 Aug 2020 21:06:59 +0000

Description

Model: TCT40-16R/T (16 mm in diameter)

Nominal frequency (KHz): 40KHz

Emission sound pressure at10V (0dB = 0.02mPa): ? 117dB

Receiver sensitivity at40KHz (0dB = V / ubar): ?-65dB

Electrostatic capacity at1KHz <1V (PF): 2000 ± 30%