![]() ![]() Similarly, if you need to generate white color, you would set all three LEDs with the highest intensity. If you want to produce red color, you will set the red LED at the highest intensity along with the green and blue LED with minimal (zero) intensity. We can generate any color by adjusting the brightness of each of the three LEDs of the RGB LED. ![]() RGB LED looks just like a regular LED or we can say that an RGB LED has three LEDs (red, green, and blue colored LED) inside a single packaged LED with four legs. RGB LED is the most amazing type of LED that can create millions of different shades of light colors using red, green, and blue colors. This has all been done over months of careful effort with lots of VMs, Pentium machines, Windows 98SE, logic analyzers, and solving data puzzles little by little.RGB LED is the abbreviation of ‘’Red Green Blue Light Emitting Diode’’. Here is a Notebook Adapter emulator that is fully compatible with all Timex software on old and new machines, and also works with my library too!Īnd if you have an anchor that happens to contain an electron beam and wanna try it, here’s my library for drawing graphics to a CRT to transfer data! Here is my Ruby library with all options for all watches reverse-engineered into a tidy model-based syntax! Newman wearing a Datalink watch on the Space Shuttle for STS-88! ![]() However, Notebook Adapters are rare and expensive now, so I reverse-engineered one! Here’s my timex_datalink_client Ruby library communicating with my DIY Datalink Notebook Adapter to emit data to a Timex Datalink watch!Īnd if you want to try the reverse-engineered CRT graphics, I got you covered! I reverse-engineered that, too!Īs a fun tidbit, these watches are flight certified by NASA and is one of four watches qualified by NASA for space travel! Here’s a shot of James H. This adapter is fully supported by the Timex Datalink software, and sends the same data as a CRT. ![]() Instead of using a CRT monitor, the Notebook Adapter simply flashed a single LED light. This produces flashing light as the graphics are drawn, which is ultimately received by the optical sensor and decoded by the Timex Datalink device.įor laptop users, Timex also offered the Datalink Notebook Adapter. This means that the electron guns turn on when its drawing a white line, and and turn off when its drawing the black background. CRTs use electron beams that draw scan lines one-by-one from top to bottom, then it returns to the top and repeats for the next frame. The original data transfer method involves drawing patterns of lines on a CRT monitor for the watch to receive with the optical sensor. The early models (supported by this software) have an optical sensor on the top of the face that receives data via visible light. Heya! I thought I’d mention that I’ve been doing a bunch of development on the optical Timex Datalink watches! I have been carefully sniffing data from the original Timex software with a logic analyzer, and have fully reverse engineered every Datalink protocol, the serial Notebook Adapter, and even the CRT syncing graphics! This means that every Datalink device, including every Timex and Motorola watch, all PDAs, and the funny e-BRAIN talking toy is supported!įor those that aren’t familiar, the Timex Datalink is a watch that was introduced in 1994 that is essentially a small PDA on your wrist. ![]()
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