Electronics, Modules & Maker Supplies for Projects That Need to Work

38-3D supplies the practical electronics, modules, hardware, tools and test equipment needed to build, repair and refine real-world projects. Created by makers for makers, the range brings together Arduino compatible boards, ESP32 and ESP8266 modules, Raspberry Pi accessories, sensors, relays, displays, power modules, connectors, cables and circuit components alongside the tools needed to assemble and test them properly.

Whether you are prototyping on a breadboard, upgrading a 3D printer, building a robotics platform, tracing a fault on a PCB or putting together a small automation project, 38-3D is designed to help you move from idea to working hardware without searching across multiple suppliers. The focus is on useful, affordable and project-ready parts backed by UK customer support, practical learning resources and delivery options that suit both small components and specialist equipment.

From a single resistor, jumper wire or USB breakout board through to lab power supplies, soldering equipment, programmers, debugging tools, 3D printer parts, linear rails and mechanical hardware, the range is built around what makers, engineers, repairers, students and workshop users actually need at the bench.

Shop by Project, Not Just by Category

Microcontrollers, Sensors & IoT Modules

Build connected devices, control systems and electronics experiments with microcontroller boards and modules suited to both learning and practical development. The range includes UNO, Nano, MEGA and Pro Mini compatible boards, ESP32-CAM modules, ESP8266 WiFi modules, WeMos and D1 Mini accessories, data logging shields, Ethernet shields, motor controller shields and prototyping boards for turning an idea into a working circuit.

For sensing, automation and data collection projects, 38-3D stocks modules for distance, motion, light, temperature, humidity, pressure, colour, position, soil moisture, RFID, NFC, GPS and real-time clock applications. These parts support common Arduino, Raspberry Pi, ESP32 and embedded electronics projects, including environmental monitoring, robotics, smart home builds, dataloggers, access control systems and interactive displays.

Motion, Robotics & Mechanical Hardware

For moving projects, robotics and automation, 38-3D supplies servos, servo testers, motor drivers, stepper motor drivers, linear actuators, motor controller shields, CNC shield accessories, robot chassis parts and related wiring. These products support small robots, camera sliders, automated mechanisms, RC-style builds, CNC experiments and Arduino or Raspberry Pi controlled motion systems.

The mechanical hardware range also covers the parts needed to make projects physically reliable, including bearings, shafts, GT2 timing belts, pulleys, lead screws, linear rods, MGN linear rails, standoffs, screws, nuts, washers, O-rings, grub screws and heat-set threaded inserts. These parts are especially useful for 3D printer upgrades, CNC motion systems, jigs, fixtures, robotics frames and custom workshop equipment.

3D Printing, Prototyping & Workshop Builds

38-3D supports the full maker workflow, from early breadboard testing through to finished printed parts and workshop-ready assemblies. The range includes breadboards, PCB holders, breakout boards, soldering mats, hand tools, precision tweezers, drill bits, files, screwdrivers, desoldering tools, soldering tips and rework accessories for building and maintaining electronics with confidence.

For 3D printing and digital fabrication, the store includes 3D printer nozzles, filament, heat-set inserts, belts, pulleys, linear motion hardware, Creality machines, 3D scanners, laser engravers and related upgrade parts. Whether you are repairing an Ender-style printer, adding threaded inserts to a printed enclosure or improving motion accuracy with replacement rails and belts, the range connects electronics, mechanics and fabrication in one place.

Project Support, Buying Guidance & Technical Resources

Help Choosing the Right Part

Choosing the right electronics module, connector, power supply, soldering tool or mechanical component is not always as simple as matching a product name. Compatibility, voltage, current rating, board layout, connector type, physical size and intended use can all affect whether a part is suitable for a project. 38-3D provides sales, customer service and technical support to help customers make more confident choices before and after ordering.

Support is available for product questions, technical issues, order enquiries and general guidance across the 38-3D range. Whether you are comparing Arduino compatible boards, selecting a sensor for a Raspberry Pi project, choosing a lab power supply, replacing a 3D printer belt or identifying the right connector for a repair, the team aims to provide practical help based on real maker and workshop experience.

Practical Calculators & Reference Tools

The website also includes a growing collection of free electronics, programming, power and 3D printing calculators to support project planning and troubleshooting. These tools help with everyday tasks such as resistor colour codes, Ohm’s law, voltage dividers, SMD resistor codes, capacitor calculations, RC circuits, 555 timers, servo PWM, battery life, unit conversions, AWG wire sizes and power calculations.

For digital and embedded work, the calculator section also supports common programming and electronics reference tasks, including number base conversion, ASCII lookup, baud rate calculations, CRC checks, hash generation, QR and barcode generation, STL viewing, 3D print cost estimation and print time estimation. This makes 38-3D more than a parts shop; it is a practical resource for planning, checking and improving technical projects.

Tutorials for Makers, Students & Repairers

The 38-3D blog provides step-by-step learning content for popular electronics and maker topics, including Arduino projects, Raspberry Pi GPIO, ESP32-CAM setup, soldering basics, multimeter use, sensor modules, RFID and NFC, data logging, motor control, communication between boards and common project troubleshooting. These guides are designed to help users understand how parts work, how to connect them safely and how to solve problems when a build does not behave as expected.

This combination of products, support, calculators and tutorials makes 38-3D useful for beginners learning electronics, students building coursework projects, hobbyists developing prototypes, repairers working at the bench and experienced makers who need dependable parts for the next build.

UK Electronics Supply for Components, Tools & Specialist Equipment

From Small Components to Larger Workshop Products

38-3D brings together the everyday parts and specialist equipment needed by electronics makers, workshops and project builders across the UK. The range covers small components such as resistors, capacitors, switches, connectors, jumper wires and breakout boards, as well as higher-value tools and equipment including soldering stations, PCB preheaters, electronic loads, oscilloscopes, multimeters, programmers, DC bench power supplies, 3D printers, 3D scanners and laser engravers.

This makes it easier to source the supporting parts around a project as well as the headline product. A microcontroller build may need sensors, pin headers, a breadboard power supply, a relay module, a display and suitable wiring. A 3D printer repair may need a nozzle, belt, bearing, pulley, lead screw or linear rail. A repair bench may need soldering tips, tweezers, a fume extractor filter, a multimeter and a reliable adjustable power supply. 38-3D is structured around those real project needs.

Delivery Options for Everyday Orders and Specialist Items

For many orders, 38-3D offers fast processing from its UK operation, with orders placed before 3 PM GMT normally processed the same business day, excluding rare cases and items requiring additional handling. Larger or specialist products may take longer to process, but the available delivery options are shown clearly at checkout so customers can choose the most suitable service.

Free delivery is available on qualifying orders over £20, with Royal Mail 48 and Tracked 24 options available for many UK deliveries. International shipping is also available, with delivery timeframes and costs calculated at checkout. This gives customers flexibility whether they are ordering a few electronic components, a set of soldering tools, replacement 3D printer hardware or larger workshop equipment.

Customer feedback regularly highlights the value of reliable products, prompt delivery and helpful service. For makers and repairers, that matters: when a project is waiting on one connector, sensor, belt or tool, clear delivery options and practical support help keep the build moving.