Unrelated Activities
Unrelated Activities...
Info about Weihrauch HW100 T FAC .22, Hatsan AT44 .177 and BT65 .22 peculiarities, maintenance and accessories (regulator valves, suppressors, scopes, mounts, etc), also CBC F18 B19S Standard and El Gamo 68 .177, Beeman P17, Crosman MK-177, pellets tests, ballistic coefficient, scope adjustments, and some other things like electronic projects (analog modular synthesizer, audio processing, guitar synthesizer and effects, GR-300, etc...
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Questions, suggestions, corrections are always welcome.
Serge Triple Waveshaper + 1 (или: Serge (Quad Waveshaper) #analogsynthesizer
Microphone Amplifier PCB from XM-F1GD Minidisk Recorder (with schematic)
DA30 MKII Headphone amplifier board
Headphone Amplifier Circuit from JVC XM-F1GD Mini Disk Recorder (with schematic)
Small magnets source
Variation 81n
VFD - Vacuum Fluorescent Display footage using poor man's 'inspection microscope'
Poor man's 'inspection microscope', or trying to justify not to throw up a 20 years old USB webcam
Testing a Vacuum Fluorescent Display (VFD) from a retired DA-30 MkII DAT recorder
Тест фильтра огибающей 01 (упрощенная схема)
Тест фильтра огибающей 02b
Интегральная схема стереофонического усилителя мощности звука TDA7264 на макетной плате (со схемой)
SM0VPO FM Wireless Microphone v5
VCFF Voltage Controlled Formant Filter (with schematic)
TDA1517P stereo audio power amplifier integrated circuit on breadboard
Testing a 3V3 LDO Voltage Regulator with a 3V7 lithium battery
Four pins LDO Voltage Regulators
Variation 25-11a
NE567 tone decoder phase locked loop (PLL) integrated circuit
Another old quadrature audio phasing circuit
Old quadrature audio phasing circuit
Ancient Technology: Old 9V 7.5V Philips power supply
Sound detector/sensor/envelope follower Arduino module
Sound sensor
Variation 25 102+F (bc layer)
Head drum motor from an old VCR, with BA6970FS 2-phase motor driver
JVC VCR capstan three phase brushless motor with LB1980 driver
Arduino and a Buzzer make some noise
Boizebu
DC motors, BA6109, BA6209, BA6219, Arduino