› ›

didlich

About

Username
didlich
Joined
Visits
39
Last Active
Roles
Member

Comments

  • @Matt, thank you for the clarification could you tell me where I can find documentation for SPI and how to connect the sensor to the MetaWear RG board? so far I've found the SW API under: https://mbientlab.com/androiddocs/latest/spi.html but wher…
    in I2C communication Comment by didlich November 2016
  • @Matt, thanks for investigating the issue I think you are right, if I write single byte 0x00 before ACK in RPi it fails as with MetaWear API I hope I understood you right, please see the nodejs code to verify: var sleep = require('sleep'); var ut…
    in I2C communication Comment by didlich November 2016
  • hi Eric, are there any news about the issue?
    in I2C communication Comment by didlich October 2016
  • @Eric, yes thats true :-) http://pastebin.com/yLXH6Yq6 see my code in line 33 i2cModule.readData(deviceAddr, registerAddr, (byte) nBytes).onComplete(new CompletionHandler() first write data, then read data this is what I did
    in I2C communication Comment by didlich October 2016
  • I did some experiments with the NodeJS script. It shows, if I send a wrong command I get the result: Write Bytes:  Error: null Read Ack:  Read FW:  This is the same pattern as with MetaWear sending a byte[] cmd = new byte[]{0x01}; My experime…
    in I2C communication Comment by didlich October 2016
  • Hey guys, if anybody is wondering how to find the device ID of an I2C device on the I2C-BUS, here is small code snippet for Android: http://pastebin.com/Q4MEjsdH The code iterates addresses from 1 - 127 and tries to write an read. If read is succes…
    in Attach NFC Comment by didlich September 2016
  • hi guys, I want to ask if there are more information on how to attach an NFC Reader/Writer I want to interface to a "NXP PN532 NFC RFID Module V3" ( https://dangerousthings.com/wp-content/uploads/2013/12/PN532_-Manual_V3.pdf ) what's the best way …
    in Attach NFC Comment by didlich June 2016