***SONICA 1 - Headphone Amplifier with TPA6120***
Sonica 1 is a rebirth of an older design of mine. A few years back I designed a small PCB for a headphone amplifier, based on BurrBrown (TI)TPA6120A2 chip amplifier. I made a power supply on a piece of test PCB with a toroidal transformer. The end result was quite pleasing and I have used it since then as my main source for music at home, whenever...
Universal board for LED control.
- Atmega8/328 on board with programming connector
- PCA9685 for 16 channel PWM up to 1.5kHz (eye-safe frequency), 12 bits per channel
- cheap ULN2003 with paired outputs for 1A per channel (2-3 meters of RGB 5050 strip per connector)
- or SOT23 MOSFETs if you need more power
- BT05 bluetooth module or MAX485, control by wire or wireless. DMX512 is possible.
- pads...
Little "Stylophon" thing. Tested and works. Bridge the solder Jumper named "BYPASS" that it works.
ATTENTION! HEADPHONE AND DC_IN JACK FOOTPRINTS AR **NOT** CORRECT!
The Power switch is a momentary switch you should also replace this one with a spdt switch.
**You should use another part for production!**
Печатная плата для светомузыки (проект AlexGyver). В плате предусмотрено:кнопка управления (v1.0), микрофон, потенциометр (регулятор шумов), IR приемник для пульта управления, транзитный JACK 3.5, питание с PWR JACK, клеммника и просто 2PIN разьема, выбор питания (5V & 12V), выбор источника аудио (микрофон & JACK). Кстати: размер платы 30мм*48мм, а следовательно можно заказать аж 30 штук за 2$)) Е...
An expansion of the Chaos Nand drone synthesizer.
This one has been fine tuned so sound is a little bit less out of control. Gate inputs have been added to control the characteristics of the sound from a sequencer (but not its pitch).
Potentiometers description:
* POT1: Main pitch. Controls the 2 main oscillators at the same time, with lovely imperfections so they drift a bit out of tune.
* P...
This is a VU-Meter which can display the gain of both channels of a stereo signal at the same time.
Big Thanks to **GreatScott!** for the initial circuit design.
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