Texas Instruments TMP100 Temperature Sensor

When looking for cheap and accurate temperature sensors for the next up and coming near space balloon project, I came across this great little device from TI. The TMP100. Tonight I interfaced these little devices with a PIC18F4520 via I2C and everything is working perfectly.

Some basic info about this sensor:

Resolution: up to 12bit

Temperature range: -55 to +125 degrees Celsius

I plan on using two of these to monitor temperature, one for the inside electronics temperature and one for the outside environment temperature.

TCM8230MD Camera Images Within Reach

Last night I was able issue a start command over I2c to the TCM8230MD camera module to have it start sending images. I'm now receiving valid YUV 422 data off of the 8 bit bus along with the necessary clock and sync pulses.



This camera is definitely not the easiest thing to work with. The datasheet is not as clear I would have liked and the timings necessary for the startup sequence took a little bit longer to figure out than I had expected.


The next step will be to be to send the camera a few more control codes to lower the frame rate and resolution to get the data rate to a more manageable level for the pic. I'm hoping to capture and display my first usable image over the weekend.