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| inspired by a small DC motor(ripped off a scanner) with an optoelectronic sensor and a transparent wheel with black stripes to determine it's speed and direction.
| | [[File:Mrstock.png|300px]] |
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| Then ----> Andre's suggestion to check Derek Holzer's tonewheels .... his research in crossings in history between mathematics, physics, electronics and communications theory which found realization in the industries of motion picture films, music, surveillance technology and finally digital communications.
| | [[User:Yoana_Buzova/mrSTOCK|workshop part 01]] |
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| ==some names+tags==
| | [[User:Yoana_Buzova/mrSTOCK2|workshop part 02]] |
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| Lev Theremin, Arseny Avraamov, (russian avant-gardea artitsts) --Boris Yankovsky, Evgeny Scholpo, Nikolai Voinov, Daphne Oram (oramics machine), Delia Derbyshire
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| optical sound in cinema ---- 'visual music' movement in cinema, Norman McLaren, Oscar Fischinger, Len Lye, Whitney brothers
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| ==workshop stuff==
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| Stock showed me and Nan how to make an H bridge to control dc motor direction and speed control with pot
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| [[File:First_H_bridge.jpg]] | |
| [[File:Second_H_bridge.jpg]] [[File:Lightto_sound.jpg]] [[File:Scheme_01.jpg]] [[File:Scheme_02.jpg]] [[File:Scheme_03.jpg]][[File:Hbridge_bias_amp.jpg]]
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