More about Noise (113)

| Some people go to great lengths to generate numbers that are as random as possible. In issue 3 of 2017, we published a design for a Truly Ra...

by mwmuc

| This is a variant of the Random-Number Generator from Elektor 3/4-2017 and has a USB interface. Easy fine tuning of the analog filters.

| Here is a simple, little circuit that makes loud, useless noises using an ATtiny45 programed in Bascom-AVR. It is a remake of a circuit from...

| When Morpheus’ arms keep eluding you, listening to the sound of surf and waves breaking on a beach may help you to relax. With the circuit p...

| At first glance, this sound meter kit does not really fit into the “maker” approach, but more into the classic DIY kit, as has existed since...

| It’s easy enough these days to generate random numbers digitally using a computer program. But there is also an analog approach: the project...

| Using the TAPIR (= Totally Archaic but Practical Interceptor of Radiation) is dead easy. Connect the headphones and an antenna and switch it...

| Vinyl is back with a vengeance among hi-fi enthusiasts. The sound of vinyl records is something very special and cannot be compared to the s...

| Tektronix has launched a new series of oscilloscope probes specifically designed for measuring very high frequencies, which also give develo...

| The Preco preamplifier by T Meyrick dates back to the April and May 1976 issues of Elektor. Naturally up to Elektor’s in-house standards it...