Best UV Light Box 365nm Light Source, Natural Jade and Emerald Identification Kit, Specialized Tools for Amber and Beeswax

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10x Jewelry Folding Magnifier for Diamond, Gemstone, High-Quality Emerald, Jade, Coin, and Crystal Identification Tool

$49.00

Changxue STC12C5A60S2 Microcontroller Development Board Learning Kit Experiment Box Compatible with AT89S52 Includes Source Code

$780.00

Handheld Prism Spectroscope Adjustable Focus Jade Spectrum Analyzer Absorption Line Specialized Tool for Jewelry & Jade Identification

$350.00

Raspberry Pi 4B OpenCV Vision Development Kit, Raspberry Pi 4 Development Board Motherboard, Python Support

$1,300.00

SMD Component Welding Practice Board Kit STM Electronic Components PCB Circuit Board Skill Training Practical Loose Parts

$4.20

Gem Refractometer Jadeite and Jade Authenticity Identification Tool Set, Gem Refractive Index Tester with Rechargeable Battery and Refraction Oil Included

$1,742.00

GPS Module NEO-6M Satellite Positioning, 51 Microcontroller, Includes Yuanye STM32 Development Board Example Videos and Source Code

$98.00

Bestscope 30x Handheld Pocket Jewelry Magnifier - Identification Tool for Diamonds, Porcelain, Jade, Crystal, Stamps, and Coins

$59.00

10 Programming Languages and 51 Microcontroller Development Practice Board Serial Communication Program Source Code

$631.00

10x Jewelry Folding Loupe High-Clarity Optical Lens for Diamond, Gemstone, Emerald, Jade, and Crystal Identification

$59.00

BiaoKong BK\YK\FX3U2N Simple PLC Industrial Control Board, 4-Axis Programmable Controller Compatible with GX Works2

$14.00