This is a red insulated binding post. These binding posts *do* accept banana plugs, and are a great way to connect single-wire leads. The colored cap screw
Description Standard 22 AWG stranded white wire. Use this for soldering wire or any project in which you need flexible wire. Stranded wire is
Hook-up Stranded Wire - White (22 AWG)
COM-09661 SparkFun
Simple 5V Op Amp board with LVM358 Set up as a 2-stage amplifier with a total gain of 100 (gain of 10 for each stage) On-board trim pot to set the level between the stages Bandwidth set to 15.9kHz Can source up to 160mA and works well as a low impedance driver/buffer This is a simple 5V Op Amp breakout board, set up as a 2-stage amplifier with a gain of 100 (gain of 10 for each stage). The on-board trim pot sets the signal level between the stages, not the feedback path.
BOB-09816 - SparkFun - Amplifier IC Development Tools SparkFun opamp Breakout - LMV358
Hackers in Residence - Cosmic Ray Detector - SparkFun Learn
How to Use a Breadboard - SparkFun Learn
Sparkfun
Standard 0.75 inch dual binding posts made for chassis mounting. Will accommodate a standard dual banana plug, up to 16 gauge wire, and high current spade connectors stacked up to 5 mm high. Parts Express Dual Binding Post Banana Jack 1 Red 1 Black Standard 0.75 inch dual binding posts made for chassis mounting. Will accommodate a standard dual banana plug, up to 16 gauge wire, and high current spade connectors stacked up to 5 mm high.
Parts Express Dual Binding Post 1 Red 1 Black 090-475
Binding Post - Red from MindKits New Zealand
PRT-11363 SparkFun