Non 3340 oscillators

[Dud]

Another CD40106 osc

Siren DIY (bending, hack, drone ...)

Drone based on a CD40106 and a CD4040, installed in an old ohmmeter found in flea market [Noisy drone machine (1)] [Noisy drone machine (2)] [Noisy drone machine (3)] Switch on / off Led on power Volume pot Switch on / off oscillator A Pot pitch osc A Switch on / off osc B Mini switch select sound 1 or 2 for B Pot pitch osc B Switch on / off osc X Pot pitch osc X Switch on / off LFO for B Led rate LFO for B Pot speed LFO for B Switc…

and also a more complex old project with a 555 osc / a CD40106 osc/ seq CD4017 / filter clone MS20 / LFOs / sync …

SEQUENCER 2 (alone) - Vidéo Dailymotion

controled by an external clock (my first gate seq and stylophone beat box hack)

SEQUENCER 2 - Vidéo Dailymotion

it was fun

behind here’s some spagghetti !

when i look to the mess in old circuit , i see that it’s really better clean now !!!