Piece of acrylic tubing 2'' diameter to hold the tater and possibly a 'lid'.It's weird like that.įor the enclosure you'll need the following materials: In fact, It is recommended to do so, as building a stepper box is a highly individual experience: what you put into it, will change how the stepper interacts with the Long Earth. Nothing is too critical about this circuit and most components can be tuned or changed around a bit. The power supply is a salvaged 5V cell phone charger. If need be, copy the section connected to pin 3 of the 555 multiple times. You can use more Leds as long as your transistor can handle the current. For Leds, I used these cyan 3W I bought on Aliexpress. The circuit around transistor, Q1, R8, C2, adds a smooth on/off feature. The timing can be set from 11 seconds to about 18 minutes, so you can doze off in style. As you can see, the circuit is the well known monostable multivibrator timer.
Try to get a pre -June 19th 2012 (Step Day) part, as this seems to increase your chances of success.
As in Willis Linsay's original stepper box diagram, the main component is the popular 555.
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