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moodlamp_hardware-debugging [2010/04/08 16:24]
martin Missing color/permanant flashing
moodlamp_hardware-debugging [2010/04/22 20:48] (current)
joe more debugging test's
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 Switch your Multimeter to "​continuity check" and Probe on the two screws on the "screw terminal(X1)"​ for short circuit. Switch your Multimeter to "​continuity check" and Probe on the two screws on the "screw terminal(X1)"​ for short circuit.
-You could also youse the Resistance Measurement of your Multimeter, you should measure a rather high Resistance.+You could also use the Resistance Measurement of your Multimeter, you should measure a rather high Resistance.
 If you have a short look closely at your PCB an find the short! As soon you have no short it is safe to connect your moodlamp to the Power Supply. If you have a short look closely at your PCB an find the short! As soon you have no short it is safe to connect your moodlamp to the Power Supply.
  
-====== Test 2: USB Chip ======+====== Test 2: USB Chip and Linux Kernel======
 Test the USB Connection. Test the USB Connection.
  
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 Apr  7 22:04:10 big32 kernel: [104731.095092] ftdi_sio 1-3:1.0: device disconnected Apr  7 22:04:10 big32 kernel: [104731.095092] ftdi_sio 1-3:1.0: device disconnected
 </​code>​ </​code>​
 +
 +====== Test 3: moodlamp and mld ======
 +  * Connect your moodlamp to USB and start the moodlamp daemon with "sudo python mld.py"​ . 
 +  * Start a telnet connection to the running mld with "​telnet localhost 2324".
 +  * Use "?"​ on your telnet prompt to show available features.
 +  * Use "​002"​ to list all moodlamps. Make sure there is at least one moodlamp listed, the moodlamp connected through USB.
 +
 +If you build your moodlamp with the optional rfm12 radio and if there are other rfm12 moodlamps around, they should be listed.
 +
 +====== Test 4: flashing via ISP/USB ======
 +...
  
 ====== Missing color/​permanent flashing of LED ====== ====== Missing color/​permanent flashing of LED ======
   * Consider resoldering your LED-wires to the PCB.   * Consider resoldering your LED-wires to the PCB.
   * Switch your Multimeter to "​continuity check" and check if there is a connection between the "screw terminal (X1)" and the three big resistors. If yes: correct this! There should be no connection.   * Switch your Multimeter to "​continuity check" and check if there is a connection between the "screw terminal (X1)" and the three big resistors. If yes: correct this! There should be no connection.
 +
 
moodlamp_hardware-debugging.txt ยท Last modified: 2010/04/22 20:48 by joe