DIY elektronische kits LED digitale buis rekenmachines 51 Microcontroller B

DIY elektronische kits LED digitale buis rekenmachines 51 Microcontroller B Beschrijving

7-digit digital display
2 AAA batteries power supply (without battery, you need to prepare yourself)
Automatic shutdown in without action
Addition, subtraction, multiplication and division operations
Conversion, open the root sign

4-ring, 5-ring resistance conversion
Arithmetic function
Non-finished products, is diy welding kit, need some welding skills, can provide product instructions
DIY Electronic Kits LED Digital Tube Calculators 51 Microcontroller Control Resistance Conversion DIY Soldering Projects
It's DIY kits, needs to finish by yourself.
Color: B:Green
Material: plastic

Package Contents:
1 * DIY Calculator Electronics Kit

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.