MCM Electronics

Analog to Digital Shield for Raspberry Pi® boardsMCM Part #: 83-15623  |  Distributed By MCM Part #: LINKERBASE_RPI_P24

Analog to Digital Shield for Raspberry Pi® boards 1 stars from 1 review.
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This is a simple shield for the Raspberry Pi board to add and Analog to Digital interface. This shield allows the use of both Analog and Digital modules. This ADC board uses the MCP3004 ADC IC, communicating to the Raspberry Pi using the SPI interface.

Product Description

This board is designed to be used primarily with the Raspberry Pi Linker Kit with nine learning modules. this board allows the use of all nine learning modules without any extra parts needed


The product page has a great tutorial.


Product Reviews

  • "Should not be used unless you only use the ADC" by jbozsik on 10/10/2014
    Overall: 1 out of 5
    Value:
    Quality:

    It appears the engineers who designed the board used an already existing design from another board they designed.

    That board is meant to interface with a 5v GPIO input while the Raspberry Pi is only meant to interface with a +3.3vdc PGIO level. ~+4.3VDC max.

    The +5vdc output to the GPIO pins this board delivers will actually decrease the service life of the Broadcom SoC and GPIO.

    Using my oscilloscope the average input to the GPIO while using the LinkSprite button module was +4.98vdc and saw the Broadcom SoC temperate rise which indicated the voltage was to high for the GPIO that is could not dissipate the extra heat.

    Contacting Link Sprite about the issue the only email I received back was very short and very poor English. "voltage good enough with resistor". That simply is just not the case.

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Package Specifications & Dimensions
Weight:0.01 lbs.
Hazardous:No
RoHS Comp:Yes
Warranty:180 days
Need to Return?
Length:4 in.
Width:3 in.
Height:1 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:
PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

Distributed By MCM Logo
Mfr. Name:Distributed By MCM
Mfr. Part Number:LINKERBASE_RPI_P24