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// Copyright 2023 The Periph Authors. All rights reserved.
// Use of this source code is governed under the Apache License, Version 2.0
// that can be found in the LICENSE file.
// Package waveshare2in13v3 controls Waveshare 2.13 v3 e-paper displays.
//
// Datasheet:
// https://files.waveshare.com/upload/5/59/2.13inch_e-Paper_V3_Specificition.pdf
//
// Product page:
// 2.13 inch version 4: https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_Manual#Resources
// This display is an Active Matrix Electrophoretic Display (AM EPD), with
// interface and a reference system design. The display is capable to display
// imagesat 1-bit white, black full display capabilities. The 2.13inch active area
// contains 250×
// display, withintegrated circuits including gate driver, source driver, MCU
// interface, timingcontroller, oscillator, DC-DC, SRAM, LUT, VCOM. Module can be
// used in portableelectronic devices, such as Electronic Shelf Label (ESL) System.
// v4 is fully compatible with version 3 however v4 features fast refresh capabilities v3 doesn't
package waveshare2in13v4