Clocks
Bulbdial Clock
The Bulbdial Clock displays analog time, without any motor, movement, or screen. The 72 LEDs cast shadow hands across its face, with red, green, and blue for hours, minutes, and seconds. It’s a beautiful effect, and the kit is not difficult to assemble, thanks to incredibly well-done instructions.
Edo-Style Clock
I had a great time building the Edo-Style clock kit from Gakken, and was amazed at its accuracy over several months of use. The kit is well designed, durable, and fun. The included picture-based directions are easy to follow, even if you don’t know Japanese, but if you plan to make one, you can also refer […]
DS1307 Real Time Clock Breakout Board
Need to add a clock function to your next Arduino project? This Real Time Clock (RTC) breakout board kit is your answer. Based on a DS1307 RTC and equipped with an onboard battery and crystal, this kit is simple to solder together, works well, and is easy to use thanks to Adafruit’s online documentation. It’s […]
Chronulator PM2V
Alternative time-telling devices are compelling, but only if they’re easy to read. Building a kit can be satisfying, but only if it leaves room for creativity. The Chronulator clock kit fits the bill on both counts. Solder it together, and you’ve got a microcontroller-based clock that converts time to current, displaying hours and minutes on […]
Defusable Clock
This fully functional alarm clock lets you practice defusing simulated explosives. When the red button is pressed, the clock starts a scary countdown like bombs in Hollywood movies. There are four wires across the top of the clock, and you have ten seconds to choose the correct wire to cut. Programmed with the Arduino IDE, so […]
