TRRS 3.5mm Jack Breakout $100-$250 * A handy tester that

* A handy tester that lets you check the voltage of any single-cell battery

000V Minimum

lightweight and adjustable to any length between 3

EPL-PT-150LED-RT-8IN 8" Pole Top Slip Fit Mount Ratings/Approvals Listing: NRTL Listed for United States and Canada Class I

TRRS 3.5mm Jack Breakout $100-$250 * A handy tester thatTRRS connectors are the audio style connectors that you see on some phones, MP3 players and development boards. TRRS stands for "Tip, Ring, Ring, Sleeve," which reflects the fact that, unlike a standard stereo connector, this actually has three conductors and a ground. Some devices use the extra conductor for a microphone (like hands free headsets) or to carry a video signal (like in some MP3 MP4 players). This breakout board makes it easy to add a