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Coto’s resident App Support Engineer explains how RedRock® Bipolar TMR magnetic sensors work, their primary benefits and the applications for which they are best suited.
Coto’s resident App Support Engineer explains how RedRock® Omnipolar TMR magnetic sensors work, their primary benefits and the applications for which they are best suited.
New RedRock® TMR magnetic sensor demo kit validates Coto Technology’s TMR sensors’ sensitivity and performance with magnets and allows engineers to experience TMR technology with 5 sensor types of differing polarity and/or sensitivity. Showcasing five of Coto Technology’s RedRock TMR (Tunneling Magnetoresistance) magnetic sensors of omnipolar, unipolar, bipolar and linear types, the RR1EK3-0002 demo board provides an engineering playground designed to promote understanding of TMR’s high-sensitivity and precise polarity performance. Via LED indicator lights, the analog and digital sensors react visually to the provided magnets – demonstrating latching, dual output, wake-up, directional, and other magnetic behaviors.
Security applications use magnetic sensing in their devices to detect the unauthorized opening of a door or window. The main mechanism typically consists of a digital magnetic sensor and a magnet that are close to each other when the door/window is closed. In the event of an intrusion, the magnet moves away from the sensor, an action which is designed to trigger an alarm. While the application is fairly simple, the requirements of the sensor are significant. Featuring RedRock® TMR magnetic sensors’ extremely low power consumption, high sensitivity, ultra-miniature size and high degree of robustness and reliability, this brief video demonstrates TMR to be the ideal solution when used in security devices.
To conserve battery power, many devices are kept “asleep” or turned off until the time is right for them to operate. When the device is removed from its enclosure, a sensor is used to trigger its “wake-up.” In this brief video, this function is explained and demonstrated using a RedRock® TMR magnetic sensor within a medical pill camera device which requires the sensor to be tiny, highly sensitive and able to operate within a hermetically-sealed environment while using nearly zero power.
RedRock® TMR magnetic sensors can be used in a wide variety of proximity applications such as detecting the opening/closure of an automatic sliding gate or detecting position of a linear actuator or a conveyor belt. This brief video demonstrates an example using feedback from a TMR sensor to stop a moving motor. Requirements met by the TMR sensors are high reliability, extremely low current drain (which is important if the device is battery powered) and a high level of sensitivity.
Soon to be released, the RedRock RR111 is an Analog Output TMR Magnetic Sensor. Tony Parakka (Application Engineer from Coto Technology) provides a whiteboard talk followed by a live demonstration. By an engineer, for an engineer! More info on this product will soon be available! Contact Coto if you would like immediate assistance.
Learn more about the RedRock Digital Bipolar Latching TMR Magnetic Sensor. Tony Parakka (Application Engineer from Coto Technology) provides a whiteboard talk followed by a live demonstration. By an engineer, for an engineer! Download the datasheet on this product.
Learn more about the RedRock Digital Omnipolar TMR Magnetic Sensor [RR121] Tony Parakka (Application Engineer from Coto Technology) provides a whiteboard talk followed by a live demonstration. By an engineer, for an engineer! Download the datasheet on this product.
Learn more about the RedRock Digital Unipolar TMR Magnetic Sensor [RR120] Tony Parakka (Application Engineer from Coto Technology) provides a whiteboard talk followed by a live demonstration. By an engineer, for an engineer! Download the datasheet on this product.
Coto Technology is now offering its RedRock TMR magnetic sensor in a tiny LGA-4 package (sized at 1.4x1.4x0.45mm) with smaller options also available on request.
Tim Resker of Coto Technology discusses RedRock TMR Magnetic Sensors at Sensors Expo 2017. RedRock sensors are demonstrated using a product evaluation board as well as a fluid level sensor demo.
Coto Technology featured RedRock TMR magnet sensors at Sensors Expo 2017.
A Liquid Level Sensing application is featured using a level sensing demo which compares the typical use of older technology (reed switches) with the smaller, more efficient, precise, cost-effective TMR magnetic sensor technology.
A demonstration of TMR is featured, using an evaluation demo board and Coto’s RedRock TMR magnetic sensors.
Dr. Stephen Day, Ph.D. provides a hands-on demonstration of the RedRock TMR (Tunnel Magnetoresistance) evaluation board, which features the RR110 TMR Analog Sensor and the RR130 TMR Digital Sensor. (The RR120 is also explained) Mechanical explanation and differentiation between the products is offered.
This brief introductory video offers design tips for electronic engineers designing with reed switches. Dr. Stephen Day, Ph.D. offers a brief overview on reed switches with a detailed explanation as to how they react to magnetic fields. Also covered is how to select a magnet for your particular application.