ProffieBoard v3.9 - Open Source Sound Board
Regular price
£39.00
Sale price
£49.00
Unit price per
The new Proffieboard v3.9 now uses a new CPU. The new CPU runs at the same speed and mostly the same as the old CPU on Proffie v2.2, but it has a few important differences: More RAM, FLASH and pins!
Here is a list of improvements for Proffieboard V3.9 over the v2.2:
- More FLASH (512kB instead of 256kB): This means more presets, but it also means you can now turn on optimization without running of of memory
- More RAM (160kB instead of 64kB): No immediate effect, but makes mp3 and echo effects possible
- More PINS: New CPU is BGA with 64 pins instead of 48. This means more data pins, and and other things, listed below.
- Faster SD card access. The new board uses SDIO instead of SPI to access the SD card. SDIO is significantly faster than SPI. In initial testing I got 20 parallel streams. This means less problems with SD card and more CPU for doing other things.
- USB charging: The V3 board has onboard charging configured for 450mA charge speed.
- An onboard status LED helps show what the board is doing and when something goes wrong.
- Three new “free” pads. These can either be used to drive 20mA LEDs directly, or as neopixel data pads, button pads or servos. The SWDIO, SWDCLK and RESET pads have been moved to the bottom of the board to make room for these new pads.
- DM/DP/VBUS pads for external USB
- Spot for additional large capacitor if needed (helps when driving BT modules)
- Two CPU pins are already tied together for Data1, making blade ID work without additional components
- Power and AUX buttons are wakeup capable, unlocking the possibility of a deep sleep mode
- Several other pins have been tied together as well, giving each pin more functions. This unlocks additional serial/SPI/I2S/I2C ports and analog pins. There are a LOT new possibilities for interfacing with other boards.
- All of this in exactly the same size as a Proffieboard V2.
These are more advanced boards to use and it is recommended to read the detailed manual before use.
Listing includes 1 x Proffieboard v3.9.
You have the option now to add a Sandisk 16GB Micro SD Card with the pre-loaded default font packages.
More board information and diagrams can be found here. You can also follow the launch discussions here. Default SD card files can be found here.
Specifications:
- 80Mhz ARM processor
- 160kb RAM
- 512kb Flash
- 3 button pads (capacitive touch capable)
- 4 neopixel data pads
- 3 use-for-anything pads
- 3 serial ports
- 3 i2c ports
- 2 SPI ports
- 6 FETs
- 6-axis motion chip
- 3-watt amplifier (mono)
- S/PDIF or I2S output
- 450mA USB charging
- SDIO sd card reader
- onboard status LED
- center-board pads for: USB, SWDIO and additional 3.3v capacitor
- BATT+ - 2.6 to 5 volt input, drives everything except the LEDs
- BATT- - negative pad for LEDs, needs to be at same level as GND when both are connected. Note that there are two of them, which can be useful when driving many powerful LEDs.
- GND - ground for electronics except LEDs. Note that the two GND pads are interchangable and connected through the board.
- Button 1/2/3 - Hook up to closing buttons, or potentially touch buttons.
- Data 1 / ID - Normally used to measure the blade ID restor, and if it's a neopixel blade, feed out neopixel data. For a fixed non-neopixel saber, it could be repurposed. Note that this pin has an internal 470 ohm resistor on it, so when hooked up to a neopixel blade, it does not need any resistors.
- Data 2-4 - additional neopixel data outputs, or free for other purposes.
- Free 1-3 - Can be used as buttons, additional neopixel outputs, pwm or servos
- LED 1-6 - Hooks up to negative side of LED (positive side of LED hooks up directly to battery.) These pads can handle up to 30 volts.
- SD Power - FET-controlled 3.3v. can be used to power down bluetooth and displays in low-power mode.
- SDA, SCL - i2c bus, used internall to talk to the motion sensing chip.
- 5v - generated by the proffieboard, normally it's only on when sound is playing.
- 3.3v - generated by the proffieboard.
- GPIO - (general purpose in-out) all gpio pins can be used as neopixel ouputs, button inputs, IR reading inputs and many other purposes.
- PWM - (pulse-width modutlation) pwm-capable pads can be used to drive LEDs and servoes. The PWM can control the brightness of the LED or the angle of the servo.
- Analog - analog-capable pins can use analogRead() to read voltages between 0 and 3.3v volts. (Voltages outside this range may damage the board.)
- Serial - simple serial ports for talking to other chips.
- i2c, SPI - buses for talking to other chips.
- S/PDIF, I2S - audio output options
- Wakeup - deep-sleep wakeup capable pins
- DAC - digital-to-analog capable pins
- IR - ir output pin
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