Calculators
Online calculators written by Technobots, we hope you find them useful for your projects.
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Connectors & Leads
- Audio & Video Connectors
- BNC Connectors
- Battery Connectors
- Power Plugs, Sockets & Leads
- Mains Leads & Connectors
- Terminal Blocks
- PCB Mounting Connectors
- Screwless Helacon Connectors
- Robotics Power Connectors
- D Type Connectors
- IDC Connectors
- Chassis Connectors
- Computer IT Connectors
- Unusual / Specialist Connectors
- JST, Molex & Similar Leads & Connectors
- PCB Cable Headers & Housings
- Male PCB Headers & Jumpers
- Female PCB Headers
- Cable Assembly Housings
- Pre-Crimped Wires
- RC Leads
- 4mm Banana Connectors
- Test Leads
- Crocodile Clips
- Electrical
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Electronics
- Resistors
- Potentiometers & Presets
- Capacitors
- Diodes & Thyristors
- Transistors
- Integrated Circuits
- Crystals
- Opto Electronics & LEDs
- Controller Boards
- Inductive
- Switches & Relays
- Electronics Hardware
- Electronics Tools
- Soldering Irons & Accessories
- Electronics Test Equipment
- Breadboarding
- Audio
- Projects & Kits
- Breakout Boards
- Interfaces
- MIDI, MP3 & Ogg
- Voltage Converter Modules
- Octopus Bricks
- 3D Printer Electronics
- E-Textiles
- Light & Sound Effects
- Motors & Controllers
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Sensors
- Proximity Sensors
- Accelerometers
- Cameras
- Current Sensors
- Distance Sensors
- Flex / Force
- Gas & Moisture Sensors
- Gyros
- Inertial Measurement Units
- InfraRed Emitters
- InfraRed Receivers
- Light Sensors
- Magnetic Compass & Hall Effect Sensors
- Photo Interrupters
- Pressure Sensors
- Reflectance Sensors
- Resistive Position Sensors
- RFID & Barcode
- Time of Flight Sensors
- Thermo
- Ultrasonic Sensors by MaxBotix
- Ultrsonic Sensors
- Various other Sensors
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Bearings
- Miniature Ball Bearings
- Miniature Flanged Ball Bearings
- Grooved Model Bearings
- Miniature Model Bearing Sets
- Miniature Thrust Ball Bearings
- Bearing Blocks
- Linear Bearing Slide Units
- Linear Rail & Blocks
- Deep Groove Bearings
- Igus 2-Hole Flange Bearings
- Igus 4-Hole Flange Bearings
- Igus Panel Mounting Bearings
- Igus Pillow Block Bearings
- Pressed Steel Bearings
- Cast Flanged Bearings
- Cast Pillow Block Bearings
- Gears & Sprockets
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Pulleys & Belts
- Pulley Blocks
- Brass Pulleys
- Aluminium V Pulleys
- Wooden Pulleys
- Plastic Model Pulleys
- Model Pulleys with Brass Hub
- Pulley Belts
- MXL025 Timing Pulleys
- MXL025 Timing Belts
- GT2 Belts
- GT2 Pulleys
- T2.5x6mm Timing Pulleys
- T2.5x6mm Timing Belts
- MFA T5x10mm Timing Pulleys
- MFA T5x10mm Timing Belts
- T5x10mm Timing Pulleys
- T5x10mm Timing Belts
- Model Cams
- Mechanical & Fixings