For the most part, the build is what you would expect: a 16×8 LED Matrix display driven by a TLC5920 LED driver, with an Arduino that uses a DS1307 RTC (real-time clock) with a coin cell battery ...

He used a bi-color 8×8 LED matrix as the clock display. What caught our eye is the point-to-point soldering he used for the three strip boards that make up the device. Note the use of a drill-bit ...

For example, the latest 16-bit PWM control with a 25 MHz reference clock requires 2.6 ms = 216 bit / 25 MHz, which is a frame refresh rate of 381 Hz. Here, a gray scale code of 128 for a total of 216 ...

You might have seen Jonas Damon’s LED Alarm Clock—an iconic 2006 ... where it sells for $85. The new Matrix Cube Alarm Clock from ThinkGeek borrows from that design and then amps up both ...

I have six Amazon Echo smart speakers in my house, and I’ve tested more, but my favorite is the Echo Dot with Clock. I love how the fabric-covered LED dot-matrix display makes time unobtrusively ...

LED signage and matrix displays are an integral part of the 21st century landscape. ... (5 ms), plus a few more clocks. Once the controller finishes rendering the memory map, the controller sends out ...