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--- project:openmedsensor [2012/09/28 13:57] – [Team] tamberg
+++ project:openmedsensor [2013/08/15 23:07] (current) – tagged loleg
@@ Line 8: / Line 8: @@
 {{:project:8032320005_dacf042957_m.jpg|}}{{:project:8032317798_fbdd92f266_m.jpg|}}{{:project:8032319331_ae13e3c31c.jpg|}}
+[Oct 2012] "voodoo" interface, oscilloscope measurement:
+{{http://farm9.staticflickr.com/8328/8123487561_d63bc55c0c.jpg}}{{http://farm9.staticflickr.com/8184/8123487703_5e39fb802c_m.jpg}}
+[Nov 2012] intercepting the i2c bus:
+{{http://farm9.staticflickr.com/8487/8162713640_c12a911361_n.jpg}}{{http://farm9.staticflickr.com/8350/8162713504_3a08bf3bc3_n.jpg}}
+{{http://farm9.staticflickr.com/8345/8204837900_f07ca73a19.jpg}}{{http://farm9.staticflickr.com/8066/8203747069_d44e3bb210_n.jpg}}
+[Nov 2012] talking to the EEPROM (i2c multi master setup):
+{{http://farm9.staticflickr.com/8058/8204835280_d754bb6a99_n.jpg}}{{http://farm9.staticflickr.com/8205/8203744859_243db62196_n.jpg}}
 ===== Hardware =====
@@ Line 15: / Line 28: @@
   * Nexus S Android Smartphone with Bluetooth, Wifi, 3G
-===== Data =====
+===== Tasks =====
-  * Not really
+  * Open the medical sensor device housing [DONE]
+  * Find a way to intercept data sent to LCD display [DONE]
+  * Detect signals sent to LCD display with multimeter [DONE]
+  * Detect signals sent to LCD with oscilloscope [DONE Oct 2012]
+  * Attach wires to LCD display, to do the measurement with an Arduino [DONE Oct 2012]
+  * Decode communication protocol between device and LCD display [FAILED Oct 2012]
+  * Attach wires to i2c test points SCL and SDA [DONE Nov 2012]
+  * Decode signals sent over i2c when storing measurements with protocol sniffer [DONE Nov 2012]
+  * Read values with Arduino via i2c from EEPROM [DONE Nov 2012]
+  * Setup Bluetooth module to send measurements from Arduino [DONE]
+  * Receive measurements sent via Bluetooth with (Windows) Laptop [DONE]
+  * Receive measurements sent via Bluetooth with Android [DONE]
+  * Make measurements available on the Internet [TODO]
+  * Plan B: use OCR (e.g. [[https://developers.google.com/google-apps/documents-list/#uploading_documents_using_optical_character_recognition_ocr|this Google API]]) to read med device display with Android camera [TODO]
+  * Integrate parts, add portable battery [TODO]
+  * Repackage device [TODO]
+===== Tools =====
+  * Screwdriver
+  * Multimeter
+  * Soldering Iron
+  * A Physics Lab… [post event note ;)]
+  * Oscilloscope [Oct 2012]
+  * Logic Analyzer [Nov 2012]
 ===== Team =====
-  * [[https://twitter.com/#!/drdd|@drdd]]
+  * [[https://twitter.com/#!/drdol|@drdol]]
   * [[https://twitter.com/#!/der_graf|@der_graf]]
+  * [[https://twitter.com/#!/frescosecco|@frescosecco]]
+  * Jonas
   * [[https://twitter.com/#!/tamberg|@tamberg]]
+===== Code =====
+  * [[https://bitbucket.org/tamberg/makeopendata/src/985cb4beb9df/2012/OpenMedSensor/BtSoftwareSerial/BtSoftwareSerial.ino|BtSoftwareSerial.ino]] (Send data via Bluetooth from Arduino)
 ===== Links =====
-  * No source yet
   * http://make.opendata.ch/forum/discussion/57/open-data-for-your-health#Item_12
+  * http://quo.vadis.stojkovic.ch/hacking-a-weighing-scale/ (How to scrape an LCD display)
+  * http://en.esskabel.de/adapter/datasheet/ada-flex-30p-050-set/266 (FFC adapter board, not used)
+  * http://arduino.cc/playground/Code/I2CEEPROM
+  * http://www.instructables.com/id/Weather-proof-Bluetooth-capable-RFID-reader/step2/Configure-the-BlueSmirf-module-via-USB/
+  * http://developer.android.com/guide/topics/connectivity/bluetooth.html
+  * http://www.flickr.com/photos/tamberg/sets/72157631641565782/ (all pictures CC-BY-SA)
+  * http://www.azumio.com/apps/heart-rate/
-===== Tools =====
+{{tag>status:demo health hardware needs:design needs:expert}}
-  * Screwdriver
-  * Multimeter