DISPLAYS AND UIs


Large format e-Paper Display modules offer versatile signage solutions


D isplay solutions and


embedded systems provider, Review Display Systems (RDS) has announced the introduction of a range of large format e-Paper display modules. Three e-Paper display modules are available initially, these include a monochrome 13.3-inch display, a colour 25.3-inch display and a monochrome 31.2-inch display. The display modules employ the latest e-Paper technology that provide energy efficient, paper-like features and can be powered by a lithium battery. Power consumption is less than 0.01 watts when the display image is static, and less than 3.5 watts when the display image is being updated.


The e-Paper display modules operate in reflective mode by reflecting ambient light and can


operate in bright sunlight without any impact on the user viewing experience. Display images and content can be easily seen and viewed from a wide viewing area. The three large format display modules offer the following specifications:


– the monochrome 13.3-inch display module features a resolution of 1600 x 1200 pixels, a 4:3 aspect ratio, and 178°/178° degree (up/down, left/right) viewing angles.


– a four-colour 25.3-inch display has a resolution of 3200 x 1800 pixels, a wide 16:9 aspect ratio, and 178°/178° viewing angles. When used with dynamic voltage control, the four colours, yellow, white, magenta and cyan can combine to create a colour palette of up to 60,000 colours. – a monochrome 31.2-inch, with


a resolution of 2562 x 1440 pixels, a wide 16:9 aspect ratio, and 178°/178° viewing angles. The fully integrated display modules feature built-in hardware peripherals to support


Wi-Fi, Bluetooth and 4G to enable remote updating and ease of maintenance. Built-in mechanical mounting features enable ease of design and fast installation.


maXTouch Touchscreen Controller Family Expands Additional security features for touchscreen payment systems


A


s we see an increased number of electric vehicles (EVs) on the road, the necessary charging infrastructure must expand to meet the increased demand. Adding credit card payment options to EV chargers is becoming a standard practice in many countries, and is a mandate in the European Union. and chargers need to meet Payment Card Industry (PCI) security standards. To help EV charger designers protect their payment architectures, Microchip Technology has launched the MXT2952TD 2.0 family of secure touchscreen controllers.


Typical touch-enabled human machine interface (HMI) and radio frequency identification (RFID) combination-based payment systems are vulnerable to hacking attacks via malicious software updates or man-in-the-middle attacks when a user enters their personal identification number (PIN) on the touchscreen. Physical mesh barriers and sensors are often used around these integrated circuits (ICs) for protection from hacking. Constant reflashing of software and device resets are used to help safeguard software integrity. The MXT2952TD 2.0 family is designed to encrypt touch data and cryptographically authenticate software


16 MAY 2024 | ELECTRONICS FOR ENGINEERS


updates to minimise risk and meet PCI certification compliance standards. When the RFID reader IC and the touchscreen controller are on different printed circuit boards (PCBs), it is difficult and expensive to build physical barriers for hack protection. Embedded firmware on the MXT2952TD 2.0 provides a more easily implemented solution for EV charger manufacturers to remain compliant with security regulations and avoid the cost of adding a second, expensive touchscreen


payment module to the charger. The outdoor nature of EV charger HMIs demand they withstand harsh weather conditions, function accurately in the presence of moisture and are resistant to vandalism. MXT2952TD 2.0 touch controller-based touchscreens remain effective when designed with IK10 standard 6 mm-thick glass, anti-reflective, anti-glare and anti-fingerprint coatings and IR filter/UV filter layers.


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