Jaywool 51 Microcontroller Controlled LED Digital Tube DIY Calculator Kits for Practical Soldering and Conversion Projects
£8.68
Addition, subtraction, multiplication and division operations Automatic shutdown in without action 2 AAA batteries power supply (without battery, you need to prepare yourself) 7-digit digital display Conversion, open the root sign
Jaywool 51 Microcontroller Controlled LED Digital Tube DIY Calculator Kits for Practical Soldering and Conversion Projects
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