Já mostrei no passado um dos projetos relacionados com Raspberry Pi que não deu certo, a placa de expansão HDMI.
A MotherBone PiOne é outro projeto que iria postar sobre mas que também não deu certo, mas o motivo não foi técnico, mas por falta de financiamento.
Essa placa adicionava diversas formas de IO, relês, etc, ao Raspberry Pi ou Beagle Bone Black e inclusive era possível utilizar ambos em conjunto. As especificações eram bem extensas:
- Form Factor: 3.5 inch industrial standard motherboard (5.8” x 4”) (5.25”, 3.5” external drive chassis)
- CPU Requirements: BeagleBone Black and/or Raspberry Pi single board computers simultaneously (Not Included)
- Power System: Three 5VDC switching power supplies (52W maximum, 22W nominal)
- Input Power: 7.5-36VDC, single input connection
- 4-port High Powered USB Hub: Four downstream USB ports with extended current capability can be used by BeagleBone Black or Raspberry Pi
- Raspberry Pi Pass Thru: Raspberry Pi I/O header interconnect with Pass Thru Connection for Raspberry Pi peripherals
- BonePi™ Bridge™: Jumper selectable I2C and null modem connections and relay access for Raspberry Pi
- 16-bit GPIO: 5V TTL level 16-bit GPIO (I2C Slave) can be used by Raspberry Pi or BeagleBone
- I2C, I2C2 Bus: Individual BeagleBone Black and Raspberry Pi 5-pin I2C Master access with additional BeagleBone Black 5-pin I2C2 voltage isolated port
- Solid State Relays: Five high-powered solid state relays for AC, DC and analog switching
- Analog Inputs: Seven wide range analog voltage inputs with trim adjust for voltage range select
- PWM Output: Two high-current, open drain MOSFET PWM outputs
- UART2, UART4: Two fully opto-isolated +5V TTL voltage level translated UART connections
- J1 Serial Console (UART0): BeagleBone Black J1 serial connection accessible on BonePi™ Bridge™
- MIDI (UART1): One standard opto-isolated 5V MIDI IN and OUT connection
- Front Panel Connections: Traditional motherboard power button, power LED and reset button connections
- Cape EEPROM: Standard BeagleBone Black required expansion cape EEPROM with address select
- Temperature: Operating 0-60°C; Storage -20-+85°C
- RJ45 Ethernet: Accessed from BeagleBone Black and Raspberry Pi Model B (not included)
- HDMI Video, Audio: Accessed from BeagleBone Black and Raspberry Pi Model B (not included)
Placa com Raspberry Pi e Beagle Bone Black |
A meta era de US$60000 e foi arrecadado somente US$4,270. Acredito que a combinação por ser um produto de nicho, preço( US$200 para cima ) e talvez falta de melhor divulgação fizeram com que o financiamento não fosse concluído.
Fonte: https://www.kickstarter.com/projects/532391021/motherbonetmpionetm
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