Help! Our band needs a sound effect to be played, quickly and with minimal fuss. So why not make a custom box to be on hand for anytime a sound effect is needed. With an STM32 microcontroller and a speaker I set out to make a box to do just that.
Supplemental Content:
- Link to the Github: https://github.com/hifromkatie/SoundEffectInstrument
- Episode 568: Resources
Bill of Material:
| Product Name | Manufacturer | Quantity | Buy Kit |
|---|---|---|---|
| STMICROELECTRONICS Development Kit, STM32F412ZG MCU, ST-LINK/V2-1 Debugger/Programmer, 240x240 Pixel TFT color LCD | STMICROELECTRONICS | 1 | Buy Now |
| ADAFRUIT 20W AMPLIFIER KIT MAX9744 68X4713 | ADAFRUIT | 1 | Buy Now |
| MIDAS Graphic OLED, 128 x 32 Pixels, White on Black, 3V, SPI, 32.5mm x 20.5mm, -40 °C | MIDAS | 4 | Buy Now |
| HERGA Foot Operated Switch, 6289, SPCO, 6 A, 250 V, 24 mm | HERGA | 1 | Buy Now |
| MULTICOMP PRO Pushbutton Switch, 20.2 mm, DPST, Off-(On), Round Raised, Black | MULTICOMP PRO | 1 | Buy Now |
| MULTICOMP PRO Pushbutton Switch, R13-24, 7.2 mm, SPST-NO, Off-(On), Round, Black | MULTICOMP PRO | 4 | Buy Now |
| STMICROELECTRONICS Linear Voltage Regulator, Fixed, Positive, 10V To 35V In, 5V And 2A Out, TO-220-3 | STMICROELECTRONICS | 1 | Buy Now |
| MULTICOMP PRO AC/DC Power Supply, Level VI, ITE, 1 Output, 24 W, 12 V, 2 A | MULTICOMP PRO | 1 | Buy Now |
| MULTICOMP PRO Plastic Enclosure, Desktop Case, Instrument, ABS, 250 mm, 180 mm, 100 mm | MULTICOMP PRO | 1 | Buy Now |
| ADASTRA 3" Weatherproof Speaker White, 100V / 8 Ohm - 30W RMS | ADASTRA | 1 | Buy Now |
| 2.1MM DC SOCKET | PRO POWER | 1 | Buy Now |
| LUMBERG Circular Connector, 03 Series, Cable Mount Plug, 3 Contacts, Solder Pin, Threaded | LUMBERG | 1 | Buy Now |
| LUMBERG Circular Connector, 03 Series, Panel Mount Receptacle, 3 Contacts, Solder Socket | LUMBERG | 1 | Buy Now |
| LUMBERG Circular Connector, 03 Series, Cable Mount Receptacle, 4 Contacts, Solder Socket, Threaded | LUMBERG | 1 | Buy Now |
| LUMBERG Circular Connector, 03 Series, Panel Mount Plug, 4 Contacts, Solder Pin | LUMBERG | 1 | Buy Now |
