4mm 5 Meter Black Polyolefin Heat Shrink Tube Sleeve 40 Wires It's a 10k ohm SMD

It's a 10k ohm SMD Resistor 1206

Its polarity is NPN

This board works with both the Arduino IDE and NodeMCU

9W Ripple & Noise V1-80mVp-p

4mm 5 Meter Black Polyolefin Heat Shrink Tube Sleeve 40 Wires It's a 10k ohm SMDIt's a 4mm 5 Meter Black Polyolefin Heat Shrink Tube Sleeve. Typically used to bundle wires and to seal electrical junctions, as well as to protect wire junctions from corrosion and abrasion. This 2mm Heat Shrink Sleeve is ideal for insulation. It features remarkable insulation properties, great stress control properties, long term weather, and regular wear and tear resistance, ease of installation, and reliable performance in even the most extreme