Crossboard for HAT v.1
for convenient connection of the Raspberri Pi with the DAC and other devices.
When creating streamers and other devices based on the Raspberry Pi, several questions often arise:
What is more convenient to place both devices in the case? How to power the Raspberry Pi and DAC separately without pain, so as not to bend the GPIO pins and not get into the design of the DAC board itself?
We offer a solution to these problems:
This board allows you to spread two devices in one plane without building shelves.
The board is sold both completely soldered, for the specific needs of the buyer, and as a kit for self-assembly. It can be equipped with both direct and angular connections for external power. The board is compatible with any device. All information lines are completely complete. The paths of earthen and power lines increased in area are used. For convenience, earthen pins are marked. Using this board, you can easily organize separate power supply for both the Raspberry Pi and the devices connected to it. This allows you to freely place any radiator on Malinka, which will not interfere with the device that was previously above it, the bonus is good cooling and a minimum of pickups, since the DAC board is located on the side.
Now for the separate power supply. There are three power options:
1. The DAC and Raspberry Pi are powered by a microUSB connector on the Raspberry Pi:
2. Raspberry Pi is powered by a microUSB connector, the DAC is powered by a separate source:
3. Raspberry Pi is powered by its external power supply, the DAC is powered by its:
Two jumpers on the board, if necessary, allow you to disconnect 3.3V power from the Raspberry Pi to the DAC.
Earth can be switched at your discretion:
In the same place, from below you can switch the voltage supply from the Raspberry Pi to the DAC on an ongoing basis using the SMD jumper. There is a place for installing a shunt, noise suppressor, capacitor from the side of the DAC connector. You can put connectors with direct leads as well as with angled ones, it all depends on your imagination and the specific implementation of the finished device.
Jumpers J1 and J3 - turn off the supply of 3.3 volts from the Raspberry Pi to the DAC (if you suddenly need it). If 3.3 Volts are not needed, it is better to remove jumpers, less interference from the Raspberry Pi on the DAC.
Jumper J2 - if it is in the ON position (installed) then the 5.0 volt power from the Raspberry Pi goes to the DAC (standard version). We supply power to the Raspberry Pi input via microUSB or through Mezanin.
If there is some external power supply and we want to supply power to both devices (Raspberry Pi + DAC) from it - we leave everything as it is, J2 ON, power up through a free connector on the LEFT - there is a marking on the board where to supply PLUS and MINUS.
If you need to power the Raspberry Pi separately and the DAC separately, remove J2.
Power for the Raspberry Pi, feed the pins standing upright RIGHT, the polarity is indicated on the board.
Power for the DAC, feed the pins standing vertically LEFT, the polarity is indicated on the board.
When connecting, I highly recommend checking everything several times.
Crossboard for Raspberry Pi
- Brands BVLabs
- Product Code: 0007
- Reward Points: 1
- Availability: 31
- 5 or more 600.00$