# DIY Calculator Kit, LCD1602

> Unassembled DIY kit for an electronic calculator with LCD1602 display, reference 88045. Offers basic arithmetic operations, decimal-hexadecimal conversion, resistor value calculation by color code (4 or 5 bands), LED resistor calculation and a square root function. Requires soldering components onto the PCB and runs on 2 CR2032 batteries (not included). Plastic housing, black color, dimensions 126x86x36mm.

- Page: https://sigmanortec.ro/en/diy-calculator-kit-lcd1602
- Price: 84.05 RON
- Availability: In stock; 1-2 zile
- Reference: 88045 · EAN: 5948723487447
- Category: Mechatronics and IoT > The Kit > DIY Electronics Kits
- Package (shipping data): 0.167 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:58 (Europe/Bucharest)

## Description

Unassembled DIY kit with LCD1602, ideal for learning the principles of digital computing by assembling on PCB and using immediately. Offers basic arithmetic operations, decimal-hexadecimal conversion, resistor calculator by 4 or 5 band color code and LED resistance calculation. Works with 2 CR2032 batteries not included, plastic case.
Unassembled kit offers the possibility of building an electronic calculator, ideal for electronics enthusiasts and those who want to understand the basic principles of digital computing. The device includes simple arithmetic functions, conversions and useful calculations in electronics such as resistor calculator by color (4 or 5 rings), resistor value calculator for LEDs, being a practical and interactive project.
The kit requires soldering the components onto the PCB, according to the markings, orientation and values printed on it. For this reason, this kit requires minimal electronics knowledge to assemble.
Specifications:
Power supply: 2 CR2032 batteries ( NOT INCLUDED )
Screen type: LCD 1062
Housing material: Plastic
Color: Black
Assembly required: Yes
Package weight: 250g
Computer size: 126x86x36mm
Available functions:
Function | Description
Basic arithmetic operations | It allows performing elementary mathematical operations such as addition, subtraction, multiplication and division.
Resistor resistance calculation (4 or 5 color bands) | Quickly calculate resistor values using the standardized 4 or 5 band color code.
Hexadecimal ↔ decimal converter | Converts numeric values between decimal and hexadecimal in both directions.
LED resistance calculation | Determine the correct resistor to limit the current to the LEDs, avoiding their failure.
Square root function | It offers the possibility of calculating the square root of a number, useful in mathematical and electronic applications.
Kit Contents:
Use:
Below we provide an image with the assembly steps and a video tutorial.
Keep the kit out of reach of small children. Requires adult supervision and minimal electronics knowledge for assembly.
Video tutorial :