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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