| The digital-to-analogue converter presented here could not be simpler. lt consists of the logic circuit of a printer port of a computer...
| The digital-to-analogue converter presented here could not be simpler. lt consists of the logic circuit of a printer port of a computer...
| Common 789 456 123 N1...N4=IC1 = 4070 N5...N8 = IC2 = 4070 KO 9 K8 8 :75 21 D 44 1C2 0 0 r m02 D3 D4 .114 "14 Rs111 R70 98 ei R9 12V BC557 B...
| At a certain age, children are often packed off to bed with the final admonition: `All right, you can read in bed for a quarter of a...