Flux Characteristics - Color ................................................................................................................................................................................. 10
Relative Spectral Power Distribution ..................................................................................................................................................................
electrical Characteristics - White ........................................................................................................................................................................ 16
electrical Characteristics - Color ......................................................................................................................................................................... 16
Relative Flux vs. Current - White.......................................................................................................................................................................... 17
Relative Flux vs. Current - Color .......................................................................................................................................................................... 17
Relative Chromaticity vs. Current and Temperature .......................................................................................................................................... 18
Performance Groups - Luminous Flux ................................................................................................................................................................ 21
Performance Groups - Radiant Flux .................................................................................................................................................................... 21
Performance Groups - Chromaticity ................................................................................................................................................................... 22
Performance Groups - Dominant Wavelength ................................................................................................................................................... 25
Performance Groups - Forward voltage ............................................................................................................................................................. 26
Cree’s Standard Chromaticity Regions Plotted on the 1931 CIE Curve
Cree’s Standard Cool White Kits Plotted on ANSI Standard Chromaticity Regions......................................................................................... 28
Cree’s Standard Warm and Neutral White Kits Plotted on ANSI Standard Chromaticity Regions .................................................................. 29
Cree’s Standard Chromaticity Kits ......................................................................................................................................................................
32
Bin and Order Code Formats ...............................................................................................................................................................................
Tape and Reel .......................................................................................................................................................................................................
[i=s]This post was last edited by dcexpert on 2019-8-4 17:25[/i]CircuitPython 4.1.0 is now available! The biggest feature of 4.1.0 is speed! Python generally executes 2-5 times faster, and the display...
[i=s]This post was last edited by X_s_yu on 2019-7-4 22:57[/i] In the first industrial revolution, the direct power of machines was steam; in the second industrial revolution, the direct power of mach...
The pyEC is a multi-purpose board that is compatible with pyBoard and is able to talk to anything on your e-bike. In fact, it is more of a general purpose board that is capable of a ton of digital ele...
1. E53_ST1 expansion board and its driverabout E53 standard interfaceThe E in the E53 interface standard is taken from the first letter of the English word "Expansion". The size of the board is 5×3cm,...
NiMH batteries also have a memory effect, but it is not as obvious as NiCd batteries. Lithium batteries have the least obvious memory effect. The lack of obvious memory effect means that they can be c...
ACPI is a more advanced and effective power management mode than APM. Using ACPI mode can save more power. What does this mean? The temperature of the CPUs that are "overclocked" by enthusiasts will b...
1. How to detect the quality of AC three-phase motor? 1. Use a megohmmeter (a 500V megohmmeter will do). If the insulation resistance of the wires on the three terminals to the motor housing is above...[Details]
1. Use the mount command to mount ①The development board must be in the same network segment as the virtual machine and computer (they can ping each other) ② Place the program to be downloaded to the...[Details]
After learning ARM, I think it is necessary to learn ARM assembly language. For software error debugging, it is often necessary to track the assembly code generated by the C compiler and the mapping ...[Details]
1 Introduction
As people's health awareness gradually increases, outdoor sports are becoming more and more important. However, excessive or insufficient exercise cannot achieve the purpose...[Details]
First, let's introduce the basic concept of C51 external interrupt Advantages of interrupts: 1. Real-time processing. The CPU is required to respond or process immediately. 2. Exception handling: If ...[Details]
First, recognize several important structures:
1. Interrupt Descriptor
Each interrupt line is described by an irq_desc structure.
//In include/linux/irq.h
struct irq_desc {
unsigned int irq;/...[Details]
In the photovoltaic power generation system, according to whether the photovoltaic grid-connected system is allowed to feed power to the main grid through the distribution transformer, it is genera...[Details]
Accessory manufacturer Nomad today launched a leather-wrapped MagSafe charging kit designed to improve the appearance and usability of Apple designs. On the product introduction page, Nomad sta...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
This article will use the new generation of Tektronix oscilloscope MSO64 as an example to explain the time-frequency domain signal analysis technology. MSO64 uses the new TEK049 platform, which not o...[Details]
Electrical schematic diagram of speed sensor
The speed sensor of the scale is a grating roller with 40 slots and a diameter of 0.115 m. Each rotation is equivalent to the...[Details]
This example can significantly improve the conversion efficiency of a capacitor charging device equipped with an external drive type flyback converter for a flashlamp-pumped pulsed solid-state laser....[Details]
A: Use serial port working mode 0 (synchronous shift register mode) Note: Set the serial port working mode to mode 0, write the data to be displayed into SBUF, the microcontroller will automati...[Details]
As early as 2009, the EU has been committed to promoting the unification of charging interfaces for consumer electronics products, reducing resource waste and promoting green environmental protecti...[Details]
As miniaturization continues, component and wiring technology has also made great progress. For example, highly integrated micro ICs in BGA housings and insulation spacing between conductors down t...[Details]