Description:

1. Digital tube display calculator production kit, which can realize mathematical calculations of addition, subtraction, multiplication and division
2. You can also convert color ring resistor values. Suitable for welding practice and electronic training
3. For experiments and other purposes, very suitable for DIY enthusiasts

Specifications:

Product name: HU-054A digital tube display calculator kit Power supply mode: USB powered 5V or 3V button battery powered, (note the USB and button The batteries cannot provide power at the same time, otherwise the button battery will be damaged) Working voltage: >2.8V Working current: working state: 12mA, sleep state: < 1mA PCB size: 113x78mm, purely manual measurement, there is an error of 1~2mm

NOTE: 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 components 2. Perform addition, subtraction, multiplication, and division operations, supporting up to 6-digit calculations, and the calculation results exceed If 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 9.99x1011 3. Color ring resistance conversion, supports 4-ring resistance and 5-ring resistance, and the maximum calculation range is small Within 4KM, the accurate calculation range is less than 1M, and it will be automatically recognized based on the number of input colors. 4-ring resistor or 5-ring resistor 4. Enter sleep mode by pressing the button to reduce power consumption 5. 6-digit precision

Package Includes:

• 1x Parts Kit
• 1x Shell(Optional)