eBay
Orange Pi PC — Preassembled Linux Desktop
Seller lists a clear case, power adapter, and 32GB microSD with Armbian installed. HDMI cable and Wi-Fi adapter are not included.
$54.75
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Browse Cortech’s hardware picks, parts, and new and used tech finds.
68 products
SunFounder
SunFounder Raspberry Pi Pico W Ultimate Starter Kit with Online Tutorials, RoHS Compliant
IoT Starter Kit for Beginners: The SunFounder Raspberry Pi Pico W Ultimate Starter Kit offers a rich IoT learning experience for beginners aged 8+.
$69.99
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Seeed Studio
Seeed Studio XIAO ESP32-S3 Sense
Seeed Studio XIAO ESP32-S3 leverages dual-core ESP32-S3 chip, supporting both Wi-Fi and BLE wireless connectivities, which allows battery charge.
$13.99
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Amazon
Raspberry Pi 5 8GB
Model SC1112 featuring a quad-core ARM Cortex-A76 processor running at 2.4GHz. Enhanced Connectivity: Includes dual 4K micro HDMI ports, USB-C power input, and high-speed USB 3.0 ports.
$199.99 · See Amazon for exact pricing
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eBay
Raspberry Pi Zero 2 W
Introducing the Raspberry Pi Zero 2 W WiFi Bluetooth, a powerful All-in-One device with 512 MB RAM and a 1.00 GHz processor speed.
$69.00
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Elecrow
Elecrow CrowPanel 4.2-Inch E-Paper Display
Build a custom weather display, calendar, or information panel with a 400 × 300 e-paper screen and ESP32-S3 controller. Requires programming and a driver matching your board revision.
$26.90
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Seeed Studio
Seeed Studio XIAO ESP32-C3
An affordable, compact Wi-Fi and Bluetooth board for wireless sensors, small controllers, and connected electronics. This version has unsoldered headers.
$4.99
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Amazon
ELEGOO UNO R3 Super Starter Kit
Start learning electronics with an Arduino-compatible board, components, and guided projects covering sensors, displays, and motors.
$38.99 · See Amazon for exact pricing
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eBay
Dell Wyse 5070 Thin Client — J5005, 4GB RAM
A compact reused computer for lightweight Linux services and small home-lab projects. This listing includes 32GB storage, a stand, and an AC adapter; storage capacity is limited.
$79.99
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SunFounder
SunFounder Elite Explorer Arduino UNO R4 WiFi Kit
A comprehensive learning kit with an original Arduino UNO R4 WiFi, components, and video lessons. Suited to beginners who want a structured course with room to explore connected projects.
$98.99
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Seeed Studio
Seeed Grove Beginner Kit for Arduino
An Arduino-compatible learning board with ten prewired modules and guided projects. A straightforward way to explore sensors, displays, and basic coding without assembling every connection.
$23.90
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Amazon
Klein Tools MM325 Digital Multimeter
A manual-ranging multimeter for checking voltage, resistance, continuity, and batteries. Useful for troubleshooting low-voltage electronics and finding wiring problems.
$29.98 · See Amazon for exact pricing
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Elecrow
Elecrow RC070S 7-Inch HDMI Touch Monitor
A 1024 x 600 IPS touchscreen for compact computers, cyberdecks, and control panels. Uses HDMI for video and USB for touch; check the cables required by your board.
$45.90
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eBay
Dell OptiPlex 7060 Micro — 16GB RAM, 256GB SSD
A refurbished i5-8500T mini PC for a home server, coding workstation, or Linux lab. Includes 16GB RAM and a 256GB SSD. Confirm wireless connectivity with the seller because the listing details conflict.
$239.99
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Amazon
YIHUA 926 III Soldering Station
An adjustable-temperature soldering station with helping hands and starter accessories. A practical entry point for assembling boards, repairing wires, and learning soldering.
$48.99 · See Amazon for exact pricing
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DFRobot
DFRobot DFPlayer Mini MP3 Module
Add sound effects, recorded messages, or music to an Arduino or ESP32 project. Requires a suitable microSD card and speaker or audio connection, purchased separately.
$5.90
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SunFounder
SunFounder Pironman 5 Mini Case
A Raspberry Pi 5 enclosure with active cooling and NVMe expansion for compact desktop and server builds. Base configuration only; Raspberry Pi, SSD, and power supply are separate.
$45.99
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Amazon
Hard Case with DIY Customizable Foam
A protective case for transporting electronics or planning a portable cyberdeck enclosure.
$55.99 · See Amazon for exact pricing
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seeedstudio
Jetson Orin Nano SuperComputer J3011
The reComputer Super J3011 is an open-source, high-performance Edge AI computer powered by the Jetson™ Orin™ Nano 8GB platform.
$769.00
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eBay
Banana Pi BPI-P2 Zero Single Board Computer Allwinner H3
This Banana Pi BPI-P2 Zero Single Board Computer is a powerful and versatile device that is perfect for a wide range of applications.
$24.99
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SunFounder
Pironman 5 Raspberry Pi 5 Case
Pi 5 enclosure with cooling, OLED and NVMe expansion. Raspberry Pi and SSD are separate.
$79.99
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SunFounder
Pironman 5 MAX — Black
Pi 5 enclosure with dual NVMe expansion, cooling and OLED. Select the black configuration; Raspberry Pi and SSDs are separate.
$94.99
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SunFounder
AI Fusion Lab Kit for Raspberry Pi
Explore camera tracking, sensors, voice interaction and robotics. Includes Fusion HAT+; Raspberry Pi is sold separately.
$98.99
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SunFounder
Universal Maker Sensor Kit
Sensors and components for compatible Arduino, ESP32 and Raspberry Pi projects. Check which controller and supporting parts are required.
$69.99
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SunFounder
Fusion HAT+ Expansion Board
Add motor control, sensor interfaces and audio to a compatible Raspberry Pi. Raspberry Pi and project hardware are separate.
$34.99
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eBay
HP ProDesk 600 G4 SFF — i5-8500, 8GB RAM, 256GB NVMe
Retired business desktop for a Linux server or homelab. Confirm the power cord, condition and shipping total.
$124.99
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eBay
HP t630 — GX-420GI, 8GB RAM, 128GB SSD
Compact reused computer for lightweight Linux services. Seller lists an included power adapter.
$69.99
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eBay
Dell OptiPlex 3050 — i5-6500, 8GB RAM, 240GB SSD, Radeon R5 430
Used desktop for a Linux workstation or server experiment. Confirm condition, accessories and shipping.
$100.00
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eBay
NETGEAR R7000 Nighthawk Router
Tested used router for network experiments. Verify the adapter, hardware revision and current firmware support.
$24.99
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eBay
NETGEAR GS108E 8-Port Gigabit Switch
Connect a small wired lab. Confirm the GS108E model, hardware revision and included power adapter.
$25.00
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eBay
Banana Pi BPI-M2 Berry
Alternative single-board computer for Linux experiments. Check the board revision, software image and required accessories.
$50.00
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eBay
Orange Pi Prime H5 Development Board
Used H5-based single-board computer for Linux projects. Confirm RAM, software support and included accessories.
$69.99
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Seeed Studio
BeagleBone Green Eco
Open-source Linux board for embedded controllers, sensors and connected projects. Check required power and storage.
$109.99
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Seeed Studio
SO-101 Robotic Arm — 3D-Printed Structural Parts
Printed structural parts for an SO-101 arm. This is not a complete robot: motors, electronics and other required hardware are separate.
$30.99
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Seeed Studio
Raspberry Pi 3 Model A+
Compact Raspberry Pi for lightweight Linux projects. Power supply, microSD card and other accessories are separate.
$25.00
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Seeed Studio
Wio Tracker L2 Pro for Meshtastic
Portable Meshtastic communicator with touchscreen, GPS and offline maps. Configure the US region for use in the United States.
$59.42
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Seeed Studio
Home Assistant Green
Dedicated Home Assistant hub for local smart-home automation. Check whether your devices require a separate radio adapter.
$198.90
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Elecrow
AI Starter Kit for Jetson Orin Nano
Sensor learning platform for Jetson Orin Nano projects. Verify whether your selected bundle includes the Jetson computer.
Check listing
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Elecrow
All-in-One Arduino Starter Kit
Explore electronics with a common-board learning kit, 15 sensors and 21 lessons. Check included controller and accessories.
$27.70
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Elecrow
ThinkNode G1 — 8-Channel LoRaWAN Gateway
Indoor LoRaWAN gateway for compatible sensor networks. This is a LoRaWAN gateway, not a Meshtastic handheld node; select the appropriate US configuration.
$89.00
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Elecrow
CrowPi Compact Raspberry Pi Educational Kit
Portable electronics learning kit for Raspberry Pi projects. Verify the selected package includes a compatible Raspberry Pi.
$208.00
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Elecrow
CrowPanel ESP32 2.13-Inch E-Paper Display
ESP32-based monochrome e-paper platform for compact status displays and information panels. Requires programming.
$11.90
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Waveshare
Arduino UNO Q
Linux-capable Arduino platform with a separate microcontroller for hardware control. Select RAM and storage configuration.
$54.99
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Waveshare
SX1262/SX1268 LoRa HAT for Raspberry Pi
UART LoRa expansion for compatible Raspberry Pi projects. Verify SKU 16807 and choose the appropriate US 915MHz hardware; not automatically a Meshtastic node.
$25.99
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Waveshare
Core405R STM32F405 Development Board
STM32 Cortex-M4 core board for embedded firmware, sensor and control projects. A compatible programmer/debugger may be required.
$19.99
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Waveshare
VisionFive 2 RISC-V Single-Board Computer
StarFive JH7110-based RISC-V board for Linux development and architecture experiments. Check RAM, storage and supported software.
$81.99
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Waveshare
Pi5 Connector Adapter (F)
Raspberry Pi 5 expansion adapter with M.2 and 2.5GbE functions. Check the selected package, PoE requirements and compatible SSD before buying.
$36.99
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ELEGOO
Saturn 4 Ultra 16K Resin 3D Printer
Resin printer for detailed models and prototypes. Uses photopolymer resin, not PLA/PETG filament; washing, curing and suitable handling are required.
$399.00
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ELEGOO
Centauri Carbon 2 Combo 3D Printer
Enclosed multicolor FDM printer for project enclosures, mounts and prototypes. Choose the intended bundle; filament is a separate consumable.
$369.00
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ELEGOO
PLA Plus Filament — 1kg, 1.75mm
Filament for compatible FDM printers, useful for indoor prototypes and enclosures. Select color; not for resin printers.
$14.99
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ELEGOO
Rapid PETG Filament — 5-Color Pack A, 5 x 1kg
Five-spool PETG bundle for functional FDM parts. Follow filament-specific print and drying settings; not for resin printers.
$62.99
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ELEGOO
H1 HT Filament Dryer
Dry compatible filament before printing. Use the recommended temperature and duration for each material.
$70.00
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ELEGOO
Electric Screwdriver Set
Rechargeable screwdriver with interchangeable bits and adjustable torque for printer maintenance and project assembly.
$31.99
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ELEGOO
3D Printer Tool Kit
Tools for printer maintenance, nozzle care and print cleanup. Check the current kit contents.
$16.99
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ELEGOO
Filament Vacuum Storage Bags Kit
Store opened filament between projects. Choose the pump-and-bags kit if you do not already have a compatible pump.
$38.99
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Amazon
xTool M2 10W Laser Engraver
Enclosed laser engraver for compatible craft and project materials. Confirm the selected package and material requirements.
$499.00 · See Amazon for exact pricing
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Amazon
FNIRSI DST-210 Oscilloscope / Multimeter / Signal Generator
Handheld three-in-one instrument for electronics troubleshooting and waveform experiments. Check measurement limits before use.
$67.99 · See Amazon for exact pricing
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Amazon
AstroAI True RMS 6000-Count Digital Multimeter
Auto-ranging multimeter for voltage, current, resistance and other electronics measurements. Check the exact included probes and ratings.
$35.98 · See Amazon for exact pricing
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Amazon
YIHUA 926 III Soldering Station Kit
Temperature-controlled soldering station kit with helping hands and accessories. Confirm the exact selected kit contents.
$49.99 · See Amazon for exact pricing
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Amazon
CanaKit Raspberry Pi 4 4GB Starter PRO Kit
Raspberry Pi 4 4GB starter bundle. Confirm the storage, power supply, cooling and cables in the selected configuration.
$169.99 · See Amazon for exact pricing
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Amazon
Entina Tina2C Mini 3D Printer
Compact beginner FDM printer for small prototypes and projects. Check build volume and selected package before buying.
$199.99 · See Amazon for exact pricing
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Amazon
Orange Pi Zero 4 — 4GB RAM
Compact Allwinner A733 single-board computer. Verify the supplied software image, power requirements and included accessories.
$67.99 · See Amazon for exact pricing
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DFRobot
UNIHIKER K10 AI Coding Board
ESP32-S3 learning board with display, camera, microphone and sensors for interactive coding and AI experiments.
$28.90
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DFRobot
HUSKYLENS 2 AI Vision Sensor
Vision sensor for recognition and robotics projects. Check supported models, interfaces and required host hardware.
$89.90
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DFRobot
LattePanda 2 Alpha 864s — 8GB RAM, 64GB eMMC
Compact x86 Windows/Linux computer for embedded interfaces and portable builds. Confirm power supply and OS license in the selected package.
$265.00
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DFRobot
C1001 60GHz mmWave Radar Sensor
Radar module for presence, fall-detection and related sensing experiments. Requires integration and testing; not a certified medical monitoring system.
$29.00
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DFRobot
Raspberry Pi 5 Customizable Starter Kit
Configurable Raspberry Pi 5 kit. Select RAM, power supply, cooling, storage and other accessories; total price depends on the configuration.
$143.40
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SunFounder
PiPower 5 Raspberry Pi UPS
Backup-power expansion for compatible Raspberry Pi projects with monitoring and shutdown features. Confirm battery, charger and enclosure compatibility in the selected package.
$34.99
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