AK-260-C, HU-054AS Model DIY Calculator Soldering Kit (Lithium Cell Battery Included)
This digital tube display calculator kit supports basic mathematical functions including addition, subtraction, multiplication, and division. It also features a color ring resistor value converter, making it ideal for soldering practice, electronics training, and experimental use. A perfect project for DIY electronics enthusiasts.
Specifications:
- Model: HU-054A Digital Tube Display Calculator Kit
- Power Supply: USB (5V) or 3V button battery (Note: Do not use both power sources simultaneously to avoid damaging the button battery)
- Operating Voltage: > 2.8V
- Current Consumption: ~12mA during operation, <1mA in sleep mode
- PCB Dimensions: 113 x 78 mm (manual measurement; ±1–2mm margin of error)
Note: This is a DIY soldering kit. Assembly required. Comes with acrylic enclosure. The calculator enters idle mode after ~30 seconds of no button presses.
Features:
- Built using a dedicated circuit board, digital tube display, microcontroller, and control buttons.
- Performs basic arithmetic (addition, subtraction, multiplication, division) with up to 6-digit precision. Results exceeding 6 digits are shown in scientific notation (maximum: 9.99 × 10¹¹).
- Power-saving sleep mode can be activated by pressing a button.
- 6-digit display accuracy.
