QBD56R1

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QBD56R1 is a LED Character and Numeric display module developed by LEDtronics to provide a small, low-cost dot matrix display solution. It is made up of 56 red LED, with two on and off resistors, IC and back-up components, so it is widely used in various application fields.

The typical application field for the QBD56R1 is for cases that require a small size and simple display solution with a low cost. It is suitable for customer equipment such as payment terminals, point of sale terminals and cash registers. Other areas where this module can be effectively used include: Automotive systems, HVAC applications, Medical equipmetns, Appliances and gaming machines.

This LED character and numeric display modules with built-in resistors can support different panel configurations. It also supports input scan rate up to 330KHz, which ensures display brightness and energy saving. Moreover, it is a RoHS-compliant device and capable of working in ambient temperature form -40 to +85°C. The viewing angle of the display is very wide, and the display can be viewed at almost any angle without affecting its performance.

The working principle of the QBD56R1 is based on two parallel 12-line drivers, each of which can drive up to 11 LEDs. An eight-byte shift register acts as a buffer to store the 8-byte data. It is a serial input/parallel output device, which means data is transferred in serial from an external device and stored in the shift register. The data stored in the shift register is then converted to the parallel output which can be used to drive the LEDs. It is an STN mode display that provides relatively high contrast for a display of this type. The working voltage of this module is 5V and its power consumption is very low.

The QBD56R1 LED character and numeric display module is a great choice for projects that require small space and a low cost. Its wide viewing angle and high contrast makes it most suitable in the applications mentioned above. It is also RoHS-compliant and capable of working in extreme temperatures. All in all, the QBD56R1 is a durable device that offers great performance and value for money.

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