Raspberry Pi用高精度AD/DA拡張ボード

Waveshare商品コード:RB-Wav-08
メーカー #: 11010

価格  :
販売価格 ¥8,076

税込

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在庫  :
残り 2 個のみ

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概要

  • 8ch 24ビット高精度ADC(4ch差動入力)、サンプリングレート 30kspsのADS1256内臓
  • 2ch 16ビットの高精度DAC、DAC8552内臓
  • アナログ/デジタル信号接続用の入力/出力インタフェース(ねじ端子)内臓
  • 信号検出が容易なAD/DA検出回路内臓

Raspberry Pi用高精度AD/DA拡張ボード

AD/DA機能を持たないRaspberry Pi GPIO interfaceでは実現できないプロジェクトがありました。しかし、それも実現可能になりました。 Raspberry Pi用高精度AD/DA拡張ボードがあれば、Raspberry Piに高精度AD/DA機能を追加できます。

Raspberry Pi用高精度AD/DA拡張ボード

  • 高精度AD/DAボード × 1
  • RPIネジ(2個パック)× 1
  • 重量:32g

Raspberry Pi用高精度AD/DA拡張ボード

ZIPファイル

  • Raspberry Pi GPIO インタフェース:Raspberry Pi接続用
  • AD/DA入出力:ネジ端子
  • AD入力:ピンヘッダー、Waveshareセンサインターフェース規格と互換性を持つピン配置は、各種アナログセンサモジュールとの接続が容易
  • 7.68Mクロック
  • LM285-2.5:ADCチップ用基準電圧を供給
  • フォトレジスタ
  • LED出力インジケータ
  • 10Kポテンショメータ
  • DAC8552:16bit高精度DAC、2CH
  • 電源表示
  • ADS1256:24bit高精度ADC、8ch(4ch差動入力)
  • ADCテストジャンパ
  • DACテストジャンパ
  • 電源選択ジャンパ
  • ADC基準グランド構成:AD単一入力時はAINCOMが基準端子となり、GNDか外部リファレンス電圧に接続できます

対応するRaspberry Pi:

  • Raspberry Pi 1 Model A+
  • Raspberry Pi 1 Model B+
  • Raspberry Pi 2 Model B
  • Raspberry Pi 3

Raspberry Pi用高精度AD/DA拡張ボード

Customer Reviews

Based on 9 reviews
78%
(7)
0%
(0)
22%
(2)
0%
(0)
0%
(0)
B
Brian
Great product. Easy to use

I just plugged in my raspberry pi3 and i was up and running.

B
Barry
Excellent Board ... Highly Recommended

The RB-WAV-08 is an ideal platform for interfacing with analog systems through the PI Raspberry platform. The board is high quality, easy to work with, and comes from the factory with an on-board light sensor, potentiometer and LED's to test board functions. On a side note, I had a bit of trouble with my PI 3, unrelated to the RB-WAV-08 board, and customer service from Robotshop responded to my support request in a few hours and I was able to resolve the problem. I followed the instructions downloaded in the documentation package from Robotshop and had the software compiled and working in about 3 minutes. Thanks to the on-board pot and led's I could immediately test the software. Overall, I'm impressed. This is a well supported, high quality board at a bargain price.

D
Dave
A couple of glitches

The AtoD would shut down on my board after a minute or so of running. I found two problems. First, the board had resistors R14 (100R) and R17 (10K) swapped in position (goes to the /PDWN pin). Second, the provided example software for the ADS1256 does not initialize gpio header pin 13 (GPIO27) which is connected to the ADS1256 /PDWN pin. Pin 13 should be initialized to be an Output and set High, else the AtoD will shut down. When that happens, the ADS1256 example program will print something like "Error, ADS1256 Chip ID = 0x0, ADS156_WaitDRDY() Time Out ...

D
Dave
Recently added to Mycodo

The A/D portion of this board was recently added to Mycodo - a graphical sensor and controller environment that runs on raspberry pi. https://github.com/kizniche/Mycodo There is a python library that will work with the A/D named PiPyADC https://github.com/ul-gh/PiPyADC Python cannot sample above about 1k samples per second, however lower speeds are required for precision.

M
Metin
Great Product, Great Service!

The product is original make, and arrived reasonable fast by regular mail. Nothing seems broken. Fits perfectly to raspberry pi. Haven't done actual testing yet, but I don't expect problems from its looks. Thanks guys!

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