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  USB Charger Doctor ‑ In‑line...

  Measure the working voltage and current of your USB port with this USB Charger Doctor. Works in line so you can just inject it into your current setup without losing any connections.

  
  

  $7.49
  ✅ Ships 06/09/2025
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  ESP8266 Breakout PCB

  Plug your ESP8266 into a breadboard with this ESP8266 Breakout PCB. Make your ESP8266 breadboard compatible and add clear labels for the pins at once!

  
  

  $6.99
  ✅ Ships 06/09/2025
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  50 Pin 0.5mm & 1mm pitch FPC to...

  Solder on your 0.5mm or 1mm FPC connectors and attach header pins to plug into a breadboard or perfboard. Double sided so one side is 0.5mm pitch and the other is 1mm pitch.

  
  

  $2.99
  ✅ Ships 06/09/2025
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  50 Pin 0.5mm FPC Socket

  50 Pin 0.5mm FPC Socket that accepts flat ribbon cables with up to 50 pins. Pin spacing 0.5mm, latch to hold cable in place.

  
  

  $1.99
  ✅ Ships 06/09/2025
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  Power Supply Module With BEC for...

  Power Supply module for APM flight controllers with 6 pin data pin and built in BEC. Monitor your APM powered flier's battery life at all times and even calculate remaining battery-life.

  
  

  $8.99
  ✅ Ships 06/09/2025
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  Thermochromic Pigment - 40g Teal

  This Thermochromic Pigment changes color from teal to white when heat is applied! When the temperature rises over 91.4 degrees F, this color changing pigment switches from blue to white!

  
  

  $24.99
  ✅ Ships 06/09/2025
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  Thermochromic Pigment - 40g Orange

  This Thermochromic Pigment changes color from orange to white when heat is applied! When the temperature rises over 91.4 degrees F, this color changing pigment switches from red to white!

  
  

  $24.99
  ✅ Ships 06/09/2025
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  Micro USB Cable with Voltage and...

  Diagnose your circuits or monitor your backup battery's charge with this Micro USB cable with built-in voltage and current monitor display. When no load, displays the voltage, when connected to a device, displays the current in amps.

  
  

  $6.99
  ✅ Ships 06/09/2025
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  Male RCA Plug Solder Connector

  Screw off the protective sheath, solder and screw back together for your own RCA cables. Multiple colors available.

  
  

  $0.99
  ✅ Ships 06/09/2025
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  Raspberry Pi Cluster Case (4 Tier)

  House your Raspberry Pi clusters in this 4 tier stackable Raspberry Pi cluster case. Fits Raspberry Pi 3 Model B+, Raspberry Pi 3 Model B, Raspberry Pi 2 Model B and Raspberry Pi 1 Model B+.

  
  

  $19.99
  ✅ Ships 06/09/2025
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  MPSA13 Transistor A13 30V 0.5A

  MPSA13 Transistor

  
  

  $1.49
  ✅ Ships 06/09/2025
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  DC Power Cable Splitter 5.5x2.1mm

  Split power from one power source to 2 devices with this DC power splitter. 1 Female 5.5x2.1mm DC jack to 2 Male DC plugs.

  
  

  $4.99
  ✅ Ships 06/09/2025