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5V 2A Switching Power Supply w/ USB-A Connector
10 sets M3 * 10 hexagonal standoffs mounting kit
Adafruit Sensiron SHT31-D Temperature Humidity Sensor Breakout
5 x AA Battery Holder with 2.1mm DC Jack
2x7A DC Motor Driver
HCR (Home Care Robot) Mobile Robot Research Platform Kit with Omni Wheels
3 x AAA Battery Holder with On/Off Switch and 2-Pin JST
Audio Jack - 3.5mm TRRS (SMD)
USB micro-B Cable - 6 Foot
Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug
Espruino Puck.js
36-pin 0.1 Female header - pack of 5!
Standoffs Plastic - (4-40; 3/4; 10 pack)
9V battery holder with switch 5.5mm/2.1mm plug
9V Battery Holder
3 x AA Battery Holder with On/Off Switch, JST, and Belt Clip
3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip
Machine Screw: #4-40, 1/4 Length, Phillips (25-pack)
Standoff - Metal (4-40; 3/8; 10 pack)
9 VDC 1000mA regulated switching power adapter - UL listed
5V 2A Switching Power Supply w/ USB-A Connector
This 5V 2A USB power supply provides clean, regulated power for single-board computers like the Raspberry Pi and BeagleBone, or any other USB-powered device with high current demands. It outputs via a USB Type-A port, so you can use whatever USB cable your project requires. The supply outputs 5....
10 sets M3 * 10 hexagonal standoffs mounting kit
A 10-pack of M3 × 10mm hexagonal standoffs with matching screws and nuts. Use them to mount circuit boards, sensors, and other components with consistent spacing and secure mechanical support. Standoffs are ideal for stacking boards in multi-level configurations, such as robot chassis builds or ...
Adafruit Sensiron SHT31-D Temperature Humidity Sensor Breakout
The Adafruit Sensirion SHT31-D is a high-accuracy temperature and humidity sensor with a true I2C interface and PTFE filter for protection against dust and contaminants. Part of Sensirion's third-generation SHT sensor family, it delivers ±2% relative humidity and ±0.3 °C temperature accuracy for ...
5 x AA Battery Holder with 2.1mm DC Jack
This 5×AA battery holder delivers approximately 7.5V from five AA batteries, terminated with a 2.1mm DC barrel plug (centre positive). It provides the ideal voltage for Arduino boards and other development boards with onboard 5V regulators, which typically need 1–2V of headroom above their output...
2x7A DC Motor Driver
An ultra-compact dual DC motor driver built around a robust H-bridge design with 7 A continuous current per channel and a 50 A peak rating. Opto-coupler isolation on all control signals protects your microcontroller from motor-induced reverse currents, while built-in UVLO (Under-Voltage Latch-Out...
HCR (Home Care Robot) Mobile Robot Research Platform Kit with Omni Wheels
The HCR (Home Care Robot) is a full-metal open-source mobile robot research platform designed for robotics research and service robot application development. Equipped with three high-torque omni wheels with encoders, it is capable of omnidirectional translational and rotational motion. The plat...
3 x AAA Battery Holder with On/Off Switch and 2-Pin JST
A slim 3×AAA battery holder with a built-in on/off switch and JST 2-pin connector. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeable alternative for 3.3V projects that use a JST battery connector. Uses a genui...
Audio Jack - 3.5mm TRRS (SMD)
A 3.5mm TRRS (tip, ring, ring, sleeve) audio jack in a surface-mount package. Unlike standard stereo TRS connectors, TRRS provides three conductors plus ground, allowing it to carry stereo audio along with an additional channel — commonly used for microphone input on hands-free headsets or video ...
USB micro-B Cable - 6 Foot
A standard USB 2.0 Type-A to Micro-B cable, 1.8 m (6 ft) in length. Micro USB is the standard connector found on a wide range of development boards, microcontrollers, and electronics accessories. Key Features USB 2.0 Type-A to Micro-B – Standard 5-pin micro USB connector 1.8 m Length – Genero...
Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug
This 2.4"/61mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device. Antenna comes with a SMA connector, which is the most common type you'll see for Cell...
Espruino Puck.js
The Espruino Puck.js is a low energy Bluetooth smart button that can be programmed and debugged wirelessly with JavaScript. It is both multi-functional and easy to use, with a custom circuit board, the latest Nordic chip, Bluetooth LE, NFC, magnetometer, temperature sensor, RGB LEDs,&n...
36-pin 0.1 Female header - pack of 5!
Female headers are one of the most versatile components in electronics — perfect for connecting things together, soldering to perfboards, creating sockets for wires, or pairing with break-away male header strips. This pack of five gives you plenty to work with. Each header is 36 pins long with s...
Standoffs Plastic - (4-40; 3/4; 10 pack)
Nylon standoffs for mounting PCBs in enclosures or elevating boards off work surfaces. These ¾" (19mm) long standoffs are tapped for 4-40 screws and sold in a pack of 10. Key Features Nylon Construction – Non-conductive, won't short circuit boards 4-40 Thread – Standard tapping for 4-40 screw...
9V battery holder with switch 5.5mm/2.1mm plug
A 9V battery holder with a built-in on/off switch and a pre-attached 5.5mm/2.1mm centre-positive barrel plug. Ready to use out of the box — snap in a 9V battery, plug into your Arduino or other development board, and use the switch to control power. Key Features On/Off Switch – Conveniently co...
9V Battery Holder
A snap-in 9V battery holder with a 5.5mm/2.1mm centre-positive barrel jack connector. The battery clicks securely into place, and three mounting holes allow you to attach the holder to an enclosure or chassis. Key Features Snap-In Design – Battery clicks securely into place 5.5mm/2.1mm Barrel...
3 x AA Battery Holder with On/Off Switch, JST, and Belt Clip
A compact 3×AA battery holder with a built-in on/off switch, JST 2-pin connector, and an ergonomic belt clip. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeable alternative for 3.3V projects that use a JST batte...
3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip
A slim 3×AAA battery holder with a built-in on/off switch, JST 2-pin connector, and an ergonomic belt clip. The series configuration outputs approximately 3.6–4.5V — a similar range to lithium-ion batteries — making it an ideal non-rechargeable alternative for 3.3V projects that use a JST battery...
Machine Screw: #4-40, 1/4 Length, Phillips (25-pack)
Steel zinc-plated pan-head Phillips machine screws, #4-40 thread, ¼" (6.35mm) long. Sold in a pack of 25. Ideal for securing PCBs, standoffs, and enclosures in electronics projects. Specifications Thread: #4-40 Length: ¼" (6.35mm) Head Type: Pan-head, Phillips drive Material: Steel, zinc-pl...
Standoff - Metal (4-40; 3/8; 10 pack)
Metal short standoffs: 3/8" long x ¼"OD. Used to get your proto board up off the table. #4-40 thread. Fits all development boards with available holes. Don’t forget the screws! Related below. Note: These are sold as a set of ten.
9 VDC 1000mA regulated switching power adapter - UL listed
A compact 9V DC 1000mA regulated switching power adapter with a 5.5mm/2.1mm centre-positive barrel jack. The switching design keeps it small, lightweight, and efficient, while the regulated output delivers a steady 9V up to 1A of current draw. Accepts 100–240V AC input, making it suitable for wo...