ABRA has a vast inventory of Counter/Timer electronic kits for teachers, students and hobbyists.
If you are a teacher looking for the appropriate kits for your classroom, call our knowledgeable staff for quantity prices and recommendations.
The Velleman K 2579 Universal Start/Stop Timer Kit is a miniature timer for any application that requires a start and stop function with a delay.
Price: US$16.95
The Velleman K2636 Speed Controller Kit was designed to control AC motors with carbon brushes, anything from drills to vacuum cleaners to saws.
Price: US$44.95
The Velleman MK106 Metronome Kit is perfect for anyone looking for a simple, compact, and inexpensive metronome that they can build themselves.
Price: US$12.95
The Ramsey UT5 Universal Timer Kit will add a time delay, keep something on for a preset time, provide a series of timing or clock pulses, or even act as an audio oscillator for tones or code practice.
Price: US$9.95
This marvelous controller does not just have the features of a conven-tional week/day timer; it can also be used to control temperature independently with one or all four outputs.
Price: US$249.99
