LEDデジタル管ディスプレイ電卓DIY電子キット51マイクロコントローラー電卓キット学校溶接実習トレーニング

The product which are suitable for electronic enthusiasts to study and repair circuits. We only guarantee that the products are in good condition before delivery, and cannot guarantee 100% success after installation. The installation of the circuit requires the buyer to have experience in the circuit, please read the product description carefully before payment. Battery not include in the package !

Addition, subtraction, multiplication, division, square root opening, decimal to hexadecimal, hexadecimal to decimal, five ring resistance conversion, four ring resistance conversion

Product Name: Microcontroller LED Calculator Kit

Material: PS transparent plastic shell

Chip: STC8G1K17+TM1638

Digital display: 7-digit display (8-digit LED digital tube)

Power Supply: Powered by 2 No. 7 batteries (3V)

Style: red display, green display, blue display

Dimensions: 121mm long, 73mm wide, 28mm thick, 16mm thin