Melody top is a electronic top kit with a centrifugal switch.When the top is turned and the centrifugal switch turns ON, the LEDs turn ON and a melody in the IC is played.There are balancers so that users can find the best balance for the …

This is a speaker kit with a stereo power amplifier. Using this speaker, you can share the music from a portable audio player that you usually listen via a headphone with your family and friends. Portable as it is operated by dry cell batt…

PICA TOWER is a 3D illumination kit with LEDs in 4 colors, red, green, blue, and yellow, total 27pcs. Mount these LEDs on the pillar-shaped PCBs and put it on your desk to see the LED illumination object.For PICA TOWER, PIC16F1827 of Micro…

When you lie or flutter, your hands become moist with sweat. This kit detects the slight change of electric resistance at this situation by the analog meter.

This electronic dice uses seven light emission diodes to show the rolled number. Press the start button and the number of the dice changes with electric sound. After a while, it stops at one number.

A 12-hour display digital clock has numeric indicator with 96 pcs of LEDs. The size of each digit is large enough to read from some distance. This clock also has a "battery backup" function that enables to display a correct time even after…