DIY Calculator Electronic Production Kit LED Digital Tube Display With Shell Single-Chip Microcomputer Welding Practice Kit

DIY Calculator electronic production kit LED digital tube display with shell Single-chip microcomputer welding practice kitCharacteristic1. It is composed of special circuit boards, digital tubes, single-chip microcomputers, keys and other components.2. Carry out addition, subtraction, multiplication and division operations, and support the maximum calculation of 6 digits. If the calculation result exceeds 6 digits, such as When it is a decimal, only the first 6 digits are displayed. If it is an integer, it will be represented by scientific notation. It is 9.99 x 10113. Color ring resistance value conversion, support 4-ring resistance and 5-ring resistance, the maximum calculation range is less than 4 KM, precision meter The calculation range is less than 1 M, and the 4-ring resistance or 5-ring resistance is automatically identified according to the number of input colors.4. Enter the hibernation mode by pressing the button to reduce power consumption.