Digital Soil Hardness Tester Soil Compaction Instrument Deep Insertion 0 to 450mm with Gravity Acceleration Setting Function 896 Test Values Storage

HFBTE Digital Soil Hardness Tester Soil Compaction Instrument Deep Insertion 0 to 450mm with Gravity Acceleration Setting Function 896 Test Values Storage

ELEGOO 32 Pcs Double Sided PCB Board Prototype Kit for DIY Soldering with 5 Sizes Compatible with Arduino Kits

ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects