DIY Electronic Kit Digital Tube Calculator DIY Kits 51 Microcontroller Training Experiment Welding Practice Accessories

Description 1 Digital tube display calculator production kit which can realize mathematical calculations of addition subtraction multiplication and division2 You can also convert color ring resistor values Suitable for welding practice and electronic training3 For experiments and other purposes very suitable for DIY enthusiastsSpecifications Product name HU 054A digital tube display calculator kitPower supply mode USB powered 5V or 3V button battery powered note the USB and buttonThe batteries cannot provide power at the same time otherwise the button battery will be damaged Working voltage 2 8VWorking current working state 12mA sleep state 1mAPCB size 113x78mm purely manual measurement there is an error of 1 2mmNOTE This is a DIY kit you need to solder If you need a shell you need to select Type Parts shell Features 1 Composed of special circuit board digital tube microcontroller buttons and other components2 Perform addition subtraction multiplication and division operations supporting up to 6 digit calculations and the calculation results exceedIf the 6 digit number is a decimal only the first 6 digits will be displayed If it is an integer the first 6 digits will be displayed Will be expressed using scientific notation the maximum number is 9 99x10113 Color ring resistance conversion supports 4 ring resistance and 5 ring resistance and the maximum calculation range is smallWithin 4KM the accurate calculation range is less than