20A ACS712 Current Sensor The 20A ACS712 Range Current Sensor Module ACS712 consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig: Output Voltage vs. Sensed Voltage

Original WCS2702 Hall Effect based Linear Current Sensor (0-2.0A) The Original WCS2702 Hall Effect based Linear Current Sensor provides economical and precise solution for both DC and AC current sensing in industrial, commercial and communications systems. The unique package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, over-current fault detection and any intelligent power management system etc The WCS2702 sensor consists of a precise, low-temperature drift linear hall sensor IC with temperature compensation circuit and a current path with 98 mΩ typical internal conductor resistance. This Hall Effect sensor extremely low resistance can effectively reduce power loss, operating temperature and increase the reliability greatly. Applied current flowing through this conduction path generates a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage. The terminals of the conductive path are electrically isolated from the sensor leads. This allow the WCS2702 current sensor to be used in applications requiring electrical isolation without the use of opto-isolators or other costly isolation techniques and make system more competitive in cost. Pinout: Pinout of WCS2702 Hall Effect based Linear Current Sensor Package Includes: 1 x Original WCS2702 Hall Effect based Linear Current Sensor (0-2.0A) Specifications: Wide operating voltage range 3.0~12 V Low operating current 3.5mA Bandwidth 10K Hz  Operating Temperature Range -20ºC to +125ºC Dimensions 15.5 x 7 x 5mm Weight 3g

WCS2720 Hall Effect based Linear Current Sensor (0-20A) The Winson WCS2720 Hall Effect Current Sensor provides an economical and precise solution for both DC and AC current sensing in industrial, commercial, and communications systems. The unique package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, over-current fault detection and any intelligent power management system, etc. The WCS2720  sensor consists of a precise, low-temperature drift linear hall sensor IC with a temperature compensation circuit and a current path with 0.5 mΩ typical internal conductor resistance. This extremely low resistance can effectively reduce power loss, and operating temperature and increase reliability greatly. Applied current flowing through this conduction path generates a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage. The terminals of the conductive path are electrically isolated from the sensor leads. This allows the WCS2720 current sensor to be used in applications requiring electrical isolation without the use of optoisolators or other costly isolation techniques and makes the system more competitive in cost. Pinout: Pinout of WCS2720 Hall Effect based Linear Current Sensor Package Includes: 1 x WCS2720 Hall Effect based Linear Current Sensor (0-20A)  Specifications: Supply Voltage 3.0~12 V Supply Current 3.5~6.0 mA Operating Temp -20ºC to +125ºC Bandwidth 23K Hz Sensitivity  65 mV/A

100A YHDC Non-invasive AC Current Sensor The YHDC SCT-013-000 is a non-invasive AC Current Sensor. This means that the non-invasive AC current sensor is a current transformer that can be used to measure AC current up to 100 amperes.  This is SCT 013 000 100A Non-invasive AC Current Sensor Split Core Type Clamp Meter Sensor. SCT-013-000 is a Non-Invasive AC sensor i.e., it is a current transformer that can be used to measure AC up to 100 amperes. This Current sensor comes with good quality Current transformers (CTs) are sensors for measuring alternating current. They are particularly useful for measuring whole building electricity consumption (or generation for that matter). The split-core type such as the SCT-013-000 CT in the picture is particularly suitable for DIY use. Clip this SCT 013 000 straight onto either the live or neutral wire coming into the building without having to do any high voltage electrical work. Current Transformer sensors can be used to measure the building's electricity consumption. These transformers have a primary winding, magnetic core, and secondary winding. The secondary winding comprises many turns of fine wire housed within the casing of the transformer.

WCS1500 Hall Effect based Current Sensor (0-200A) WCS1500 current sensor provides economical and precise solution for both DC and AC current sensing in industrial, commercial and communications systems. The unique package provides easy implementation without breaking original system and makes current sensing possible. Typical applications include motor control, load detection and management, over-current fault detection and any intelligent power management system etc. The WCS1500 sensor consists of a precise, low-temperature drift linear hall sensor IC with temperature compensation circuit and a diameter 9.0mm through hole. Users can use system’s own electric wire by pass it through this hole to measure passing current. This design allows system designers to monitor any current path without breaking or changing original system layout at all. Any current flowing through this hole will generate a magnetic field which is sensed by the integrated Hall IC and converted into a proportional voltage. Pinout:   Pinout of WCS1500 Hall Effect based Current Sensor Package Includes: 1 x Original WCS1500 Hall Effect based Current Sensor (0-200A) Specifications: Zero Current 2.5V Supply Current 3.5-6.0 mA Supply Voltage 3.0-12V Bandwidth 23kHz Conductor Through Hole 9.0mm Sensitivity 11mV/A Temperature Drift ±0.2mV/C Operating Temperature -20ºC to +125ºC

Voltage Sensor Module 25V The Voltage Sensor Module 25V is a simple but very useful module that uses a potential divider to reduce an input voltage by a factor of 5. The Voltage Detection Sensor Module 25V allows you to use the analog input of a microcontroller to monitor voltages much higher than it capable of sensing. For example with a 0-5V analog input range, you are able to measure a voltage up to 25V. The module also includes convenient screw terminals for easy and secure connection of a wire. This module is based on the principle of resistive voltage divider design, can make the red terminal connector input voltage to 5 times smaller. Arduino analog input voltages up to 5 v, the voltage detection module input voltage not greater than 5Vx5=25V.   Connection Diagram: Connection Diagram with Arduino Package Includes: 25 x Voltage Sensor Module 25V Specifications Voltage input range DC 0-25 V Voltage detection range DC 0.02445 V  to 25 V Dimensions  3 x 2 x 1cms Weight  5 grams

30A ACS712 Current Sensor The 30A ACS712 Current Sensor consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field in which the Hall IC converts into a proportional voltage. Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. Connection Diagram of Arduino Uno with Current Sensor : Fig: Connection of ACS712 Current Sensor with Arduino UNO Curve of relation between the DC input voltage and measuring current: Fig: Output Voltage vs. Sensed Voltage Package Includes: 1 x 30A ACS712 Current Sensor Specifications Sensitivity 66mV/A Measure Current Range 30A Supply Voltage 4.5V~5.5V DC Dimensions  3 x 2 x 1cms  Weight  5 grams

Voltage Sensor Module 25V The Voltage Sensor Module 25V is a simple but very useful module that uses a potential divider to reduce an input voltage by a factor of 5. The Voltage Detection Sensor Module 25V allows you to use the analog input of a microcontroller to monitor voltages much higher than it capable of sensing. For example with a 0-5V analog input range, you are able to measure a voltage up to 25V. The module also includes convenient screw terminals for easy and secure connection of a wire. This module is based on the principle of resistive voltage divider design, can make the red terminal connector input voltage to 5 times smaller. Arduino analog input voltages up to 5 v, the voltage detection module input voltage not greater than 5Vx5=25V. read more : Understanding Voltage Sensors   Connection Diagram: Connection Diagram with Arduino Package Includes: 1 x Voltage Sensor Module 25V Specifications Voltage input range DC 0-25 V Voltage detection range DC 0.02445 V  to 25 V Dimensions  3 x 2 x 1cms Weight  5 grams