# gadgets.sh

> A catalogue of 153 hacking, RF, mesh and security gadgets: what each does, what it costs, every shop that sells it, and what the maker publishes to rebuild it (schematics, PCB sources, 3D files, parts, firmware).

Everything is static and free to read. No key. CORS is open.

## For agents

- MCP server (search, dossiers, where to buy, chips, compare): https://gadgets.sh/api/mcp/ — e.g. `claude mcp add --transport http gadgets https://gadgets.sh/api/mcp/`. Setup: https://gadgets.sh/agents/
- [All devices, JSON](https://gadgets.sh/api/v1/devices.json): one summary per device, with links to the full record.
- Full record: https://gadgets.sh/api/v1/devices/<slug>.json (specs, shops, blueprint, parts, firmware).
- Same record as Markdown: https://gadgets.sh/devices/<slug>.md
- [Everything in one Markdown file](https://gadgets.sh/llms-full.txt)
- [Everything in one JSON file](https://gadgets.sh/api/v1/catalog.json): every full record (specs, shops, blueprint, raw KiCad and 3D file URLs)
- [Devices you can build yourself](https://gadgets.sh/open/) and [every chip inside](https://gadgets.sh/parts/) (JSON: https://gadgets.sh/api/v1/parts.json)
- [What nobody has built yet](https://gadgets.sh/ideas/): combinations of radios no device in the catalogue offers, with the open designs and chips to build each
- Shop URLs carry utm_source=gadgets.sh; please keep them when you hand a link to a person.

## Multitools

- [Flipper Zero](https://gadgets.sh/devices/flipper-zero.md): A pocket multitool for exploring RFID, NFC, sub-GHz radio and infrared. $169. Schematics published.
- [M1](https://gadgets.sh/devices/m1.md): A handheld multitool built around an STM32 processor. Open firmware.
- [CyperPRO](https://gadgets.sh/devices/cyperpro.md): A handheld security-tool campaign. Final hardware and current availability remain unconfirmed. Closed design.
- [Kode Dot](https://gadgets.sh/devices/kode-dot.md): A compact, app-based handheld with an AMOLED touchscreen. Not yet known.
- [High Boy](https://gadgets.sh/devices/high-boy.md): A multitool project proposing integrated Wi-Fi, LoRa, sub-GHz and RFID interfaces. Open hardware.
- [MeowKit](https://gadgets.sh/devices/meowkit.md): An aluminium-bodied handheld with a programmable app layer. HK$1099. Schematics published.
- [POOM](https://gadgets.sh/devices/poom.md): An ESP32-C5 handheld project for wireless experiments and small games. Open firmware.
- [T-Embed CC1101](https://gadgets.sh/devices/t-embed-cc1101.md): A development board with a display, rotary control and sub-GHz radio. $49.38+. Schematics published.
- [Click](https://gadgets.sh/devices/click.md): A one-button pocket fidget device with a small OLED, open hardware, browser flashing and a shared leaderboard. Open hardware.
- [Hackbat ESP32](https://gadgets.sh/devices/hackbat.md): An open-hardware pentest board you order from the fab yourself: ESP32-C6 with Wi-Fi 6 and BLE, a CC1101 sub-GHz radio, OLED and SD card. Open hardware.
- [ELLA-Box](https://gadgets.sh/devices/ella-box.md): A pocket IoT gadget you build from an ESP32-C3 board, a 1.3-inch OLED with a rotary encoder, a buzzer and a vibration motor, in a 3D-printed case. Schematics published.
- [T-Embed CC1101 Plus](https://gadgets.sh/devices/lilygo-t-embed-cc1101-plus.md): The T-Embed CC1101 sub-GHz tool with an added nRF24L01 2.4 GHz radio, in a Flipper-style body with a 1.9-inch colour screen and infrared. $60.65. Schematics published.
- [KIISU V4B](https://gadgets.sh/devices/kiisu-v4.md): A credit-card-sized development board with sub-GHz, NFC, RFID, infrared and Bluetooth that runs most Flipper Zero firmware. €95. Schematics published.
- [USB Rubber Ducky](https://gadgets.sh/devices/hak5-usb-rubber-ducky.md): A keystroke injection tool that a computer sees as a keyboard, scripted in DuckyScript 3. $100. Closed design.
- [Bash Bunny Mark II](https://gadgets.sh/devices/hak5-bash-bunny-mark-ii.md): A USB attack platform that can pose as a keyboard, network adapter, flash drive or serial device, with Bluetooth triggers. $200. Closed design.
- [Key Croc](https://gadgets.sh/devices/hak5-key-croc.md): A USB keylogger that runs payloads when a target types a chosen word or pattern. $200. Closed design.
- [Screen Crab](https://gadgets.sh/devices/hak5-screen-crab.md): An inline HDMI capture implant that records screenshots or video between a computer and its monitor. $330. Closed design.
- [O.MG Cable](https://gadgets.sh/devices/omg-cable.md): A USB cable with a hidden Wi-Fi implant that injects keystrokes and, on the Elite version, logs them. $150+. Closed design.
- [O.MG Plug](https://gadgets.sh/devices/omg-plug.md): A keychain-sized USB implant with a Wi-Fi web interface for running DuckyScript payloads. $115. Closed design.

## Radio & mesh

- [The Hacker Pager](https://gadgets.sh/devices/the-hacker-pager.md): A standalone mesh pager with LoRa capture tools and a monochrome display. $250+. Open hardware.
- [LilyGO T-Deck Plus](https://gadgets.sh/devices/lilygo-t-deck-plus.md): A keyboard-equipped LoRa handheld with a colour touchscreen. $70.99+. Schematics published.
- [CatSniffer v3](https://gadgets.sh/devices/catsniffer-v3.md): A USB radio development board with sub-GHz and 2.4 GHz interfaces. $136. Open hardware.
- [mesh-detect v2](https://gadgets.sh/devices/mesh-detect-v2.md): A Remote ID detection project with mesh-connected alerts. $20+. Open firmware.
- [YARD Stick One](https://gadgets.sh/devices/yard-stick-one.md): A USB sub-GHz transceiver for scriptable radio experiments. $124.95. Open hardware.
- [SenseCAP T1000-E](https://gadgets.sh/devices/sensecap-t1000-e.md): A card-sized LoRa tracker designed for Meshtastic. $39.90. Closed design.
- [ThinkNode M1](https://gadgets.sh/devices/thinknode-m1.md): An e-paper LoRa handheld with GPS and a companion-phone connection. $53.90. Open firmware.
- [ThinkNode M2](https://gadgets.sh/devices/thinknode-m2.md): A compact LoRa handheld with an OLED display. $21.90. Open firmware.
- [Heltec WiFi LoRa 32 V4](https://gadgets.sh/devices/heltec-lora32-v4.md): Build a USB-powered mesh node or an ESP32 radio experiment. $17.90+. Schematics published.
- [Heltec Mesh Node T114 Rev. 2.0](https://gadgets.sh/devices/heltec-mesh-node-t114.md): Assemble a Bluetooth-connected LoRa node with optional display and GPS. $17.90+. Schematics published.
- [RAK WisBlock Meshtastic Starter Kit](https://gadgets.sh/devices/rak-wisblock-meshtastic-starter-kit.md): Choose a modular base for a custom mesh node. $29.99+. Schematics published.
- [LILYGO T-Echo](https://gadgets.sh/devices/lilygo-t-echo.md): Carry an e-paper mesh companion with built-in positioning. $44.61+. Schematics published.
- [LILYGO T-Beam SUPREME](https://gadgets.sh/devices/lilygo-t-beam-supreme.md): Build a LoRa tracking node around an ESP32-S3 and GNSS. $37.12+. Schematics published.
- [Seeed Wio Tracker L1](https://gadgets.sh/devices/seeed-wio-tracker-l1.md): Build a mesh tracker with GNSS, OLED and Grove expansion. $33.99. Closed design.
- [HackRF One](https://gadgets.sh/devices/hackrf-one.md): Explore wideband radio with a USB SDR that can receive or transmit. $328. Open hardware.
- [HackRF Pro](https://gadgets.sh/devices/hackrf-pro.md): Use the newer HackRF platform for wideband RF development. €429. Open hardware.
- [RTL-SDR Blog V4](https://gadgets.sh/devices/rtl-sdr-blog-v4.md): Start a receive-only software-defined radio setup over USB. $37.95. Closed design.
- [Airspy R2](https://gadgets.sh/devices/airspy-r2.md): Monitor VHF and UHF signals with a USB SDR receiver. £179.96. Open firmware.
- [Meshimi](https://gadgets.sh/devices/meshimi.md): An open-hardware LoRa and Wi-Fi 6 module that plugs into a Flipper Zero for Meshtastic and LoRaWAN. Open hardware.
- [T-Lora Pager](https://gadgets.sh/devices/lilygo-t-lora-pager.md): A pager-shaped LoRa messenger with a QWERTY keyboard, 2.33-inch screen, GPS, NFC and a folding antenna, sold in Meshtastic and MeshCore versions. $88. Schematics published.
- [T-Echo Lite](https://gadgets.sh/devices/lilygo-t-echo-lite.md): A small nRF52840 LoRa node with an e-paper screen and a plug-in GPS module, made for low-power Meshtastic. $27.36. Open hardware.
- [T-Echo Plus](https://gadgets.sh/devices/lilygo-t-echo-plus.md): An nRF52840 LoRa handheld with a 1.54-inch e-paper screen, GPS, IMU, vibration motor and a 2400 mAh battery. $66.31. Closed design.
- [T-Embed SI4732](https://gadgets.sh/devices/lilygo-t-embed-si4732.md): A T-Embed with an SI4732 broadcast receiver for AM, FM, shortwave and longwave with RDS. $38.96. Schematics published.
- [T-Beam 1W](https://gadgets.sh/devices/lilygo-t-beam-1w.md): A T-Beam LoRa board with a 1-watt radio amplifier on an ESP32-S3, sold in plain and Meshtastic versions. $47.32. Schematics published.
- [T-TWR Plus](https://gadgets.sh/devices/lilygo-t-twr-plus.md): An ESP32-S3 walkie-talkie board with an SA868 UHF or VHF transceiver, GPS, OLED and a 18650/21700 battery holder. $52.37. Schematics published.
- [T-Display S3 Pro LR1121](https://gadgets.sh/devices/lilygo-t-display-s3-pro-lr1121.md): A 2.33-inch touchscreen ESP32-S3 handheld with an LR1121 dual-band LoRa module for sub-GHz and 2.4 GHz, plus a 2000 mAh battery. $65.29. Schematics published.
- [T-Lora C6](https://gadgets.sh/devices/lilygo-t-lora-c6.md): A low-cost ESP32-C6 LoRa board with Wi-Fi 6, Zigbee-capable radio and an SX1262 for 868/915 MHz, sold with Meshtastic preloaded. $17.96. Schematics published.
- [LakeShark](https://gadgets.sh/devices/lakeshark.md): Open-source firmware that turns a LilyGO T-Display-P4 into a handheld SDR scanner with an onboard LoRa mesh radio and GPS. Open firmware.
- [SubRabbit](https://gadgets.sh/devices/subrabbit.md): Open-source CC1101 sub-GHz RF tool with a serial CLI for scanning, recording, replaying, jamming and brute-forcing signals. Open hardware.
- [M5Stack Cardputer Mesh Kit](https://gadgets.sh/devices/m5stack-cardputer-mesh-kit.md): A card-sized keyboard computer with a plug-in LoRa and GPS module, sold as a Meshtastic terminal. $48. Schematics published.
- [M5Stack Unit C6L](https://gadgets.sh/devices/m5stack-unit-c6l.md): A small ESP32-C6 LoRa node with an OLED, RGB LED and buzzer, sold ready for Meshtastic. $22.90. Schematics published.
- [M5PaperMono](https://gadgets.sh/devices/m5stack-papermono.md): A 3.97-inch e-paper board on an ESP32-S3 with LoRa, NFC and a front light. $65. Schematics published.
- [WisMesh Pocket V2](https://gadgets.sh/devices/rak-wismesh-pocket.md): A ready-to-use Meshtastic handheld with a GNSS module, OLED and a 3200 mAh battery in a case with an SMA antenna. $89.97. Schematics published.
- [WisMesh Pocket Mini](https://gadgets.sh/devices/rak-wismesh-pocket-mini.md): A smaller, lighter Meshtastic node with internal antennas and a 1000 mAh battery, without a screen or GPS. $59.97. Schematics published.
- [WisMesh TAP V2](https://gadgets.sh/devices/rak-wismesh-tap-v2.md): A standalone Meshtastic communicator with a touchscreen and on-screen keyboard, so it works without a phone. $109. Schematics published.
- [WisMesh Board ONE Pocket](https://gadgets.sh/devices/rak-wismesh-board-one-pocket.md): A fully assembled Meshtastic node with an OLED, battery and 3D-printed case, expandable with a GNSS module. $59.97. Schematics published.
- [WisMesh Tag](https://gadgets.sh/devices/rak-wismesh-tag.md): A pocket Meshtastic tracker with GNSS, a 1000 mAh battery and an IP66 case, made to be carried or attached to gear. $39. Closed design.
- [WisMesh Repeater Mini V2](https://gadgets.sh/devices/rak-wismesh-repeater-mini-v2.md): A solar-powered outdoor Meshtastic repeater in an IP67 case, with 22 dBm or 1 W radio options. $99.90. Schematics published.
- [WisMesh RAK3312 Starter Kit](https://gadgets.sh/devices/rak-wismesh-rak3312-starter-kit.md): A modular WisBlock Meshtastic kit on an ESP32-S3 core with an SX1262 radio and antenna, pre-flashed and expandable. $28.99. Schematics published.
- [WisMesh High Power Booster Starter Kit](https://gadgets.sh/devices/rak-wismesh-1w-booster-kit.md): A 1-watt Meshtastic node kit for long range, built from an nRF52840 core and a boosted SX1262 radio. $39. Schematics published.
- [KrakenSDR](https://gadgets.sh/devices/krakensdr.md): A five-channel coherent RTL-SDR on one clock, made for radio direction finding and passive radar. $775. Closed design.
- [Discovery Dish](https://gadgets.sh/devices/discovery-dish.md): A 70 cm satellite dish under a kilogram that splits into three petals, for receiving weather satellites around 1.69 GHz. $149. Closed design.
- [LimeSDR Mini 2.0](https://gadgets.sh/devices/limesdr-mini-2.md): A transmit-capable software-defined radio pairing an FPGA with the LMS7002M transceiver, in a USB stick. $600. Open hardware.
- [CaribouLite](https://gadgets.sh/devices/cariboulite.md): A dual-channel software-defined radio built as a Raspberry Pi HAT, tuning up to 6 GHz, with an open FPGA. $149. Open hardware.
- [Seeed Wio-SX1262](https://gadgets.sh/devices/seeed-wio-sx1262.md): The Semtech SX1262 LoRa radio as a solderable module, for adding long range to a board you build. $4.29. Schematics published.

## Wi-Fi & Bluetooth

- [Biscuit Ultra](https://gadgets.sh/devices/biscuit-ultra.md): A screen-free wireless survey device, controlled from your phone. $160. Closed design.
- [BLEShark Nano](https://gadgets.sh/devices/bleshark-nano.md): A small Wi-Fi and Bluetooth tool for portable experiments. $49.99. Closed design.
- [Scout Lite](https://gadgets.sh/devices/scout-lite.md): A Flipper Zero expansion board for dual-band Wi-Fi surveys and GPS-tagged logging. $64.98. Closed design.
- [Rabbit-Labs C5](https://gadgets.sh/devices/rabbit-labs-c5.md): An expansion board for Flipper Zero with additional wireless interfaces. $140. Closed design.
- [M5Shark Manta C5](https://gadgets.sh/devices/m5shark-c5-marauder.md): A compact Marauder device with a built-in display. $114.77. Closed design.
- [M5Shark V8 2.4G/5G](https://gadgets.sh/devices/m5shark-v8-2-4g-5g.md): A touchscreen handheld for wireless experiments and logging. $120. Open firmware.
- [Apex 5](https://gadgets.sh/devices/apex-5.md): A wireless survey board with multiple radio interfaces. $79. Closed design.
- [SLIM Signal Sleuth v1.1](https://gadgets.sh/devices/slim-signal-sleuth-v1-1.md): A self-assembly board for wireless surveys and GPS-tagged logs. $100. Open firmware.
- [Cerberus Development Board](https://gadgets.sh/devices/cerberus-development-board.md): A modular touchscreen development platform with separate system and wireless processors. $160. Closed design.
- [GL.iNet Beryl AX (GL-MT3000)](https://gadgets.sh/devices/gl-inet-beryl-ax-gl-mt3000.md): Give a portable hardware setup its own Wi-Fi and Ethernet network. $98.99. Open firmware.
- [AntiHunter DIGI Node](https://gadgets.sh/devices/antihunter-diginode.md): An open-source Wi-Fi and Bluetooth detection node with drone Remote ID, GPS logging and Meshtastic mesh alerts. $20+. Open firmware.
- [T-Dongle C5](https://gadgets.sh/devices/lilygo-t-dongle-c5.md): A USB dongle on the ESP32-C5 with dual-band Wi-Fi 6, a 0.96-inch screen and a TF card slot. $13.98. Schematics published.
- [Slate AX (GL-AXT1800)](https://gadgets.sh/devices/gl-inet-slate-ax-gl-axt1800.md): A Wi-Fi 6 travel router with three gigabit ports, USB 3.0, a microSD slot and fast WireGuard on OpenWrt. $119.99. Open firmware.
- [Slate Plus (GL-A1300)](https://gadgets.sh/devices/gl-inet-slate-plus-gl-a1300.md): A dual-band travel router with gigabit ports, USB 3.0 and AdGuard Home on OpenWrt. $69.99. Open firmware.
- [Opal (GL-SFT1200)](https://gadgets.sh/devices/gl-inet-opal-gl-sft1200.md): A budget dual-band travel router with three gigabit ports and encrypted DNS. $39.99. Open firmware.
- [Shadow (GL-AR300M)](https://gadgets.sh/devices/gl-inet-shadow-gl-ar300m.md): A 58 mm mini router on OpenWrt with 2.4 GHz Wi-Fi, two Ethernet ports, USB and GPIO. $36.99. Open firmware.
- [Puli (GL-XE300)](https://gadgets.sh/devices/gl-inet-puli-gl-xe300.md): A 4G LTE router with a 5000 mAh battery, swappable CAT4 or CAT6 modem and OpenWrt. $125.99. Open firmware.
- [Spitz (GL-X750V2)](https://gadgets.sh/devices/gl-inet-spitz-gl-x750v2.md): A dual-band 4G LTE router with a mini-PCIe modem, SMA antennas and OpenWrt. $125.99. Open firmware.
- [HaLowLink 2](https://gadgets.sh/devices/gl-inet-halowlink-2.md): A Wi-Fi HaLow (802.11ah) sub-1 GHz router that reaches about 1 km and serves up to 1,000 IoT devices. $129.90. Open firmware.
- [WiFi Pineapple Mark VII](https://gadgets.sh/devices/hak5-wifi-pineapple-mark-vii.md): A three-radio Wi-Fi auditing platform with a browser interface, used for authorised wireless assessments. $250. Closed design.
- [WiFi Pineapple Pager](https://gadgets.sh/devices/hak5-wifi-pineapple-pager.md): A handheld Wi-Fi auditing device with a colour screen, D-pad, two radios covering 2.4, 5 and 6 GHz, and a 2000 mAh battery. $300. Closed design.
- [Packet Squirrel Mark II](https://gadgets.sh/devices/hak5-packet-squirrel-mark-ii.md): A pocket inline network implant that sits between two Ethernet devices to capture traffic or tunnel it out. $150. Closed design.
- [LAN Turtle](https://gadgets.sh/devices/hak5-lan-turtle.md): A covert remote-access implant hidden in a generic USB Ethernet adapter case. $80. Closed design.
- [Shark Jack](https://gadgets.sh/devices/hak5-shark-jack.md): A pocket Linux box that runs a network scan or payload the moment you plug it into an Ethernet port. $100. Closed design.

## Computers & handhelds

- [PocketMage](https://gadgets.sh/devices/pocketmage.md): An e-paper pocket computer built around a tactile keyboard. $210+. Open hardware.
- [Flipper One](https://gadgets.sh/devices/flipper-one.md): A Linux handheld in development, with network interfaces and modular expansion. Open firmware.
- [Interrupt](https://gadgets.sh/devices/interrupt.md): A proposed Linux handheld with a keyboard, touchscreen and radio interfaces. Closed design.
- [CardputerZero](https://gadgets.sh/devices/cardputer-zero.md): A keyboard-equipped pocket computer project. Schematics published.
- [Mecha Comet](https://gadgets.sh/devices/mecha-comet.md): A modular Linux handheld designed around interchangeable accessories. Schematics published.
- [Raspberry Pi 5](https://gadgets.sh/devices/raspberry-pi-5.md): Give a workbench, controller or custom computer a Linux host. $45+. Closed design.
- [Raspberry Pi Zero 2 W](https://gadgets.sh/devices/raspberry-pi-zero-2-w.md): Put a small Linux computer inside a custom portable build. $15. Schematics published.
- [M5Stack Cardputer-Adv](https://gadgets.sh/devices/m5stack-cardputer-adv.md): Build a handheld interface with a keyboard, screen and audio. $29.90. Schematics published.
- [Seeed reTerminal E1001](https://gadgets.sh/devices/seeed-reterminal-e1001.md): Make a persistent e-paper dashboard for your desk or workshop. $73.99. Schematics published.
- [T-Deck Pro](https://gadgets.sh/devices/lilygo-t-deck-pro.md): A pocket LoRa messenger with a 3.1-inch e-paper touchscreen, keyboard, GPS and an optional 4G modem, sold with Meshtastic preloaded. $102.91. Schematics published.
- [T-Deck Max](https://gadgets.sh/devices/lilygo-t-deck-max.md): A front-lit e-paper LoRa handheld with 4G, GPS, microphone and speaker on an ESP32-S3. $109.87. Schematics published.
- [T-Display P4](https://gadgets.sh/devices/lilygo-t-display-p4.md): A 4-inch ESP32-P4 handheld with an AMOLED or TFT touchscreen, camera, LoRa, GPS, Wi-Fi 6 co-processor and an optional keyboard. $119.30. Schematics published.
- [T5 E-Paper S3 Pro](https://gadgets.sh/devices/lilygo-t5-e-paper-s3-pro.md): A 4.7-inch e-paper tablet on an ESP32-S3 with LoRa, touch, RTC and battery management. $84.21. Schematics published.
- [M5Stack Tab5](https://gadgets.sh/devices/m5stack-tab5.md): A 5-inch ESP32-P4 tablet with Wi-Fi 6, camera, RS485 and a stamp slot for cellular or LoRaWAN modules. $60. Schematics published.
- [USB armory Mk II](https://gadgets.sh/devices/usb-armory-mk-ii.md): A Linux computer in a USB stick built for security work, with secure boot, a hardware random number generator and TrustZone. $195. Open hardware.
- [SenseCAP Watcher W1-A](https://gadgets.sh/devices/sensecap-watcher.md): A palm-sized camera and microphone that runs vision models on-device and acts on what it sees. $60.99. Schematics published.

## Instruments

- [OUI SPY](https://gadgets.sh/devices/oui-spy.md): A portable wireless detector for investigating nearby signals. $25+. Open firmware.
- [Radiacode 110](https://gadgets.sh/devices/radiacode-110.md): A pocket gamma spectrometer with a companion phone app. $399. Closed design.
- [Saleae Logic 8](https://gadgets.sh/devices/saleae-logic-8.md): Record and inspect digital buses from a host computer. $499. Closed design.
- [Digilent Analog Discovery 3](https://gadgets.sh/devices/digilent-analog-discovery-3.md): Add oscilloscope, waveform generation and logic tools to a laptop. $379. Closed design.
- [Bus Pirate 5 Rev. 10](https://gadgets.sh/devices/bus-pirate-5.md): Talk to chips over serial buses before writing a full application. €59+. Open hardware.
- [GreatFET One](https://gadgets.sh/devices/greatfet-one.md): Connect Python tools to digital buses, GPIO and custom USB experiments. €90+. Open hardware.
- [PINECIL V2](https://gadgets.sh/devices/pinecil-v2.md): Add a compact, firmware-controlled soldering iron to your workbench. $25.99. Schematics published.
- [NanoRFE NanoVNA V2 Plus4 Pro](https://gadgets.sh/devices/nanorfe-nanovna-v2-plus4-pro.md): Measure an antenna or filter and keep a record of the result. $399. Closed design.
- [Openterface Mini-KVM Toolkit](https://gadgets.sh/devices/openterface-mini-kvm-toolkit.md): Use a laptop as a local console for a headless computer. $129. Open hardware.
- [Great Scott Gadgets Cynthion](https://gadgets.sh/devices/great-scott-gadgets-cynthion.md): Inspect USB traffic while developing a keyboard or other USB device. $150+. Open hardware.
- [Plunder Bug LAN Tap](https://gadgets.sh/devices/hak5-plunder-bug.md): A pocket Ethernet tap that copies traffic from a wired link to a USB-C host for passive capture. $130. Closed design.
- [USBKill V4](https://gadgets.sh/devices/usbkill-v4.md): A USB surge tester that discharges high voltage into a port to test hardware protection, with an internal battery for offline testing. €135. Closed design.
- [Tigard](https://gadgets.sh/devices/tigard.md): A universal hardware-hacking interface: UART, JTAG, SWD, SPI and I²C over one USB-C connection, with level shifting from 1.8 to 5.5 V. $49. Open hardware.
- [Glasgow Interface Explorer revC](https://gadgets.sh/devices/glasgow-interface-explorer.md): An FPGA-based digital interface tool that speaks UART, SPI, I²C and JTAG, reads and writes memory chips, and works as a logic analyzer. $179. Open hardware.

## RFID & NFC

- [Proxmark3 RDV4](https://gadgets.sh/devices/proxmark3-rdv4.md): A portable research platform for low- and high-frequency RFID. €329+. Open firmware.
- [Chameleon Ultra](https://gadgets.sh/devices/chameleon-ultra.md): A compact, programmable RFID card emulator. €129. Open hardware.
- [Odiin](https://gadgets.sh/devices/odiin.md): An open-source NFC-A tag emulator on the Nordic nRF52840, built from a Pitaya Go board, a custom bridge PCB and an LCD. Open hardware.
- [Proxmark 5](https://gadgets.sh/devices/proxmark-5.md): The next-generation Proxmark RFID research platform with hot-swappable antennas, a 10-pin GPIO header and an optional wireless module. €325. Schematics published.
- [Chameleon Lite](https://gadgets.sh/devices/chameleon-lite.md): A low-cost RFID emulator holding eight high-frequency and eight low-frequency tags, with six months of battery life. €59. Open hardware.
- [iCopy-XS](https://gadgets.sh/devices/icopy-xs.md): A handheld RFID cloner built around the Proxmark 3 that reads, cracks and writes most LF and HF badges without a computer. €375. Open firmware.
- [M5Stack Dial](https://gadgets.sh/devices/m5stack-dial.md): A rotary-knob ESP32-S3 device with a round touchscreen and a 13.56 MHz RFID reader. $34.90. Schematics published.

## Wearables

- [Sensor Watch Pro](https://gadgets.sh/devices/sensor-watch-pro.md): A programmable replacement board for a digital wristwatch. $59. Open hardware.
- [GGtag](https://gadgets.sh/devices/ggtag.md): An e-paper badge with programmable RFID features. $45. Open hardware.
- [TICKEY](https://gadgets.sh/devices/tickey.md): A clip-on colour e-paper display for images and artwork. Closed design.
- [NASA Artemis Watch 2.0](https://gadgets.sh/devices/nasa-artemis-watch-2-0.md): A ready-to-use, programmable NASA-themed watch with Bluetooth and activity sensors. $149. Schematics published.
- [T-Watch S3 Plus](https://gadgets.sh/devices/lilygo-t-watch-s3-plus.md): A programmable ESP32-S3 watch with LoRa, GPS, microphone, haptics and a 940 mAh battery. $58.74. Schematics published.
- [T-Watch Ultra](https://gadgets.sh/devices/lilygo-t-watch-ultra.md): An ESP32-S3 watch with a 2.06-inch AMOLED touchscreen, LoRa, GNSS, NFC, SD card and an 1100 mAh battery. $78.32. Schematics published.
- [Watchy](https://gadgets.sh/devices/watchy.md): An open-source e-paper smartwatch on an ESP32, with Wi-Fi, Bluetooth and a programmable watch face. $59. Open hardware.
- [Sensor Watch Lite](https://gadgets.sh/devices/sensor-watch-lite.md): A replacement circuit board that turns a Casio F-91W into a programmable ARM Cortex-M0+ watch. $39. Open hardware.

## DIY & play

- [MAKERphone 2.0](https://gadgets.sh/devices/makerphone-2-0.md): A kit for building and programming a modular phone. Not yet known.
- [Chatter 2.0](https://gadgets.sh/devices/chatter-2-0.md): A kit for building a pair of off-grid text messengers. $149. Schematics published.
- [Clockstar 2.0](https://gadgets.sh/devices/clockstar-2-0.md): A kit for building and programming a smartwatch. $99. Schematics published.
- [ByteBoi 2.0](https://gadgets.sh/devices/byteboi-2-0.md): A kit for building a handheld games console. $159. Schematics published.
- [CircuitPet](https://gadgets.sh/devices/circuitpet.md): A programmable virtual pet in a handheld enclosure. Schematics published.
- [Nibble](https://gadgets.sh/devices/nibble.md): A small kit for building and coding a games console. $94.99. Schematics published.

## Boards & controllers

- [Raspberry Pi Pico 2 W](https://gadgets.sh/devices/raspberry-pi-pico-2-w.md): Program a compact wireless controller in C/C++ or MicroPython. $7. Schematics published.
- [Arduino UNO R4 WiFi](https://gadgets.sh/devices/arduino-uno-r4-wifi.md): Prototype controls, sensors and small connected displays. $27.50. Schematics published.
- [Espressif ESP32-S3-DevKitC-1 v1.1](https://gadgets.sh/devices/esp32-s3-devkitc-1.md): Develop an ESP32-S3 application with exposed GPIO and USB. $19.99. Schematics published.
- [Seeed XIAO ESP32-S3](https://gadgets.sh/devices/seeed-xiao-esp32s3.md): Fit Wi-Fi and Bluetooth control into a small custom board. $7.49. Schematics published.
- [DFRobot HUSKYLENS 2](https://gadgets.sh/devices/dfrobot-huskylens-2.md): Teach a vision sensor your own objects and reuse its learned setup. $89.90. Open firmware.
- [T-Mini E-Paper S3](https://gadgets.sh/devices/lilygo-t-mini-epaper-s3.md): A tiny ESP32-S3 board with a 1.02-inch e-paper display and an 18350 battery holder, sold with Meshtastic as an option. $40.81. Schematics published.
- [M5StickC Plus SE](https://gadgets.sh/devices/m5stack-m5stickc-plus-se.md): A pocket ESP32 stick with a colour screen, IR, microphone and battery — a common base for M5 hacking firmware like Marauder and Nemo. $19. Schematics published.
- [M5StickS3](https://gadgets.sh/devices/m5stack-sticks3.md): An ESP32-S3 pocket stick with a colour screen, IMU, microphone and speaker. $21.50. Schematics published.
- [M5Stack Core2 v1.3](https://gadgets.sh/devices/m5stack-core2.md): A stackable ESP32 controller with a 2-inch touchscreen, speaker and battery — a common host for security and mesh firmware. $42.90. Schematics published.
- [M5Stack CoreS3 Lite](https://gadgets.sh/devices/m5stack-cores3-lite.md): An ESP32-S3 controller with a 2-inch touchscreen, IMU and magnetometer in a stackable case. $44.90. Schematics published.
- [Seeed XIAO ESP32-C6](https://gadgets.sh/devices/seeed-xiao-esp32c6.md): Thumb-sized board with Wi-Fi 6, Bluetooth and 802.15.4 for Thread and Zigbee. $5.20. Schematics published.
- [Seeed XIAO nRF52840](https://gadgets.sh/devices/seeed-xiao-nrf52840.md): Low-power Bluetooth board on the nRF52840, the chip most battery-powered mesh nodes use. $9.99. Open hardware.
- [Seeed XIAO ESP32-S3 Sense](https://gadgets.sh/devices/seeed-xiao-esp32s3-sense.md): The XIAO ESP32-S3 with a camera, microphone and microSD slot on an expansion board. $13.99. Schematics published.
- [Seeed XIAO ESP32-C3](https://gadgets.sh/devices/seeed-xiao-esp32c3.md): The cheapest way into Wi-Fi and Bluetooth on a board the size of a postage stamp. $4.99. Schematics published.