They have to have credit.
At an outlay of £10 I have the entire setup needed to do the following (beginnings of a 4 digit code lock)
0 1 Q
0 0 x
0 1 1
1 0 2
1 1 3
So two wires, 3 LEDs. All expandable, and the chip only arrived yesterday (the day after I ordered it).
How's that for ease of use!
At an outlay of £10 I have the entire setup needed to do the following (beginnings of a 4 digit code lock)
0 1 Q
0 0 x
0 1 1
1 0 2
1 1 3
So two wires, 3 LEDs. All expandable, and the chip only arrived yesterday (the day after I ordered it).
How's that for ease of use!