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Specification
AspectRatio : 4:3
Brand : SainSmart
BulletPoint1 : Provide online user manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32), please check the manual carefully before using!
BulletPoint2 : This is an E-Ink display module, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface, supports red, black, and white three-color display.
BulletPoint3 : Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.
BulletPoint4 : No backlight, keeps displaying last content for a long time even when power down. Ultra low power consumption, basically power is only required for refreshing
BulletPoint5 : SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc. Onboard voltage translator, compatible with 3.3V/5V MCUs
Color : Black
CompatibleDevices : Computers (PCs, laptops, tablets), smartphones, microcontrollers (Arduino, Raspberry Pi models) with WiFi support
ConnectivityTechnology : USB
ConnectivityTechnology1 : USB
ConnectivityTechnology2 : Wi-Fi
ConnectorType : Usb
CustomerPackageType : Standard Packaging
DataLinkProtocol : Bluetooth
ExternallyAssignedProductIdentifier : 6955170898527
ExternallyAssignedProductIdentifier1 : 614961952812
ExternallyAssignedProductIdentifier2 : 614961951006
ExternallyAssignedProductIdentifier3 : 0614961951006
ExternallyAssignedProductIdentifier4 : 0614961952812
ExternallyAssignedProductIdentifier5 : 00614961952812
GraphicsCardInterface : integrated
GraphicsDescription : Integrated
HardwareInterface : bluetooth
HumanInterfaceInput : buttons
IncludedComponents : CD
IncludedComponents1 : 4.2inch e-Paper Module (B)
IncludedComponents2 : PH2.0 20cm 8Pin
IncludedComponents3 : Development Resources
InputVoltage : 5 volts
ItemName : SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM
ItemPackageDimensions_Height : 13.4112 centimeters
ItemPackageDimensions_Length : 2.3114 centimeters
ItemPackageDimensions_Width : 12.3952 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : single-board-computers
KeyboardDescription : Standard QWERTY layout
KeyboardLayout : qwerty
Manufacturer : SainSmart
MaximumSwitchingVoltage : 12 volts
MeasurementSystem : Imperial
MemoryStorageCapacity : 1 TB
MinimumSwitchingVoltage : 12 volts
ModelName : 4.2inch e-Paper Module (B)
ModelNumber : 101-70-117-03
ModelYear : 2020
MountingType : Plug In Mount
NativeResolution : 400x300
NumberOfDisplaysSupported : 1
NumberOfItems : 1
NumberOfPorts : 2
OperatingSystem : FreeRTOS
OperationMode : Automatic
PartNumber : 4.2inch e-Paper Module (B)
PowerPlugType : no_plug
ProcessorCount : 1
ProductDescription : Overview:

This USB Relay Controller/Data Acquisition Module allows computer controlled switching of external devices as well as full bi-directional communication with the external world (ideal for Data Acquisition applications) using the USB port of your computer. The controller is very flexible and can be used in many custom applications including weather stations as well as temperature monitoring, logging and control as it can be easily connected to temperature and other types of sensors.

Communication Parameters:
8 Data, 1 Stop, No Parity
Baud rate : 9600

Drivers are available to work with the following operating systems:
Windows Server 2008 R2, Windows 7, Windows 7 x64, Windows Server 2008,
Windows Server 2008 x64, Windows Vista, Windows Vista x64, Windows Server 2003,
Windows Server 2003 x64, Windows XP, Windows XP x64, Windows 2000, Windows ME,
Windows 98, Linux, Mac OS X, Mac OS 9, Mac OS 8, Windows CE.NET (Version 4.2 and greater)

Commands:
FIRST channel commands:
OFF command : FF 01 00 (HEX) or 255 1 0 (DEC)
ON command : FF 01 01 (HEX) or 255 1 1 (DEC)

SECOND channel commands:
OFF command : FF 02 00 (HEX) or 255 2 0 (DEC)
ON command : FF 02 01 (HEX) or 255 2 1 (DEC)

THIRD channel commands:
OFF command : FF 03 00 (HEX) or 255 3 0 (DEC)
ON command : FF 03 01 (HEX) or 255 3 1 (DEC)

FOURTH channel commands:
OFF command : FF 04 00 (HEX) or 255 4 0 (DEC)
ON command : FF 04 01 (HEX) or 255 4 1 (DEC)


Download:

https://s3-ap-northeast-1.amazonaws.com/sain-amzn/20/20-018-909/20-018-909.rar
ProductSiteLaunchDate : 2012-09-13T07:38:28.362Z
Resolution : 400 X 300
Size : 4.2inch e-Paper Module (B)
SpecificUsesForProduct : Everyday Use
SupplierDeclaredDgHzRegulation : unknown
SupplierDeclaredHasProductIdentifierExemption : 1
SystemRamType : sdram
TotalUsbPorts : 1
UnitCount : 3.2
UnspscCode : 39122300
Voltage : 12 volts
WarrantyDescription : NoWarningApplicable
WirelessCommStandard : 802_11_N
WirelessNetworkTechnology : wifi