Very eye catching laboratory binary counter type prop with counting red digital LED display. This was originally home made by someone developing electronics projects using microchips. In use an EPROM memory chip is plugged into the socket on the left & the contents of each memory location can then be displayed on the digital display either by typing the address on the keypad or stepping through all memory addresses. Very usefully, the binary addresses can be made to automatically count up at a speed that is easily adjustable using the grey speed knob from about one step/second up to the right most digit being a blur.
Prop ID: 5090
Width: 30 cm
Height: 10 cm
Depth: 11 cm
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