It has been a while since I posted.
Two weeks ago I completed the first revision of the board and was not happy with how it turned out.
First there were only 3 LED's on the board, which is OK, but I wanted more LED's.
Second, the LED's lowest supported voltage was 3.5V and the Temperature sensor chip I originally chose required a 3V power supply. Having two different Voltage levels required me to use a I2C logic level shifter and a LDO for the 3.3V supply.
For the new board I chose a smaller Microcontroller, as well as a different Temperature sensor.
I added pads so that the multiple strips can be wired together. the pads should also be compatible with standard WS2812B Strips.
For the New temperature sensors I chose the LM75BDP,118 from NXP because they were a good size and they used I2c.
I Chose PIC16F18426-I/ST as my processor because it was in a nice small package.