This board can do it all - breakout the Synapse RF module pins, give you a USB port/FTDI chip to program, supply it with a regulated 3.3V, integrate a reset switch (for updating & erasing), and also give you mounting options.
Need a simple breakout for your Synapse modules? Use this kit for the application end of your Synapse Wireless RF networks. This kit will provide your Synapse node with 3.3V regulated power and break out all the nodal pins.
The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following applications. This sensor is sold in packs of two units.