Electronic Circuit Calculator vs NuBarCode

Electronic Circuit Calculator is a powerful electronics toolkit combining circuit calculators, circuit analysis, design tools, and interactive simulations in one app. Built for electronics and electrical engineering students, hobbyists, technicians, and engineers, it helps you calculate, analyze, design, and explore electronic circuits. CIRCUIT ANALYSIS & THEORY • Thevenin Theorem • Norton Theorem • Kirchhoff’s Current Law (KCL) • Kirchhoff’s Voltage Law (KVL) • Nodal Analysis • Mesh Analysis • Ohm’s Law • Voltage Divider • Series and Parallel Circuits • RLC Resonance INTERACTIVE CIRCUIT SIMULATIONS Explore electronics with interactive simulations that help you understand circuit behavior. • Buck Converter Simulation • Boost Converter Simulation • Sawtooth Generator Circuit • AND, OR, NAND and NOR Gate Simulations • Shift Register Simulations • Multiplexer (MUX) • Demultiplexer (DEMUX) • Counter IC • PISO and SIPO Simulations POWER ELECTRONICS • Buck Converter Calculator • Boost Converter Calculator • Buck and Boost Simulations DIGITAL ELECTRONICS • Karnaugh Map • Decimal to Binary Converter • Logic Gate Simulations • Multiplexer and Demultiplexer • Counter IC • Shift Registers • PISO and SIPO OP AMP & ANALOG ELECTRONICS • Inverting Amplifier • Non-Inverting Amplifier • Differential Amplifier • Summing Amplifier • Integrator • Differentiator • Comparator • Schmitt Trigger TRANSISTOR, MOTOR & AMPLIFIER TOOLS • Transistor Amplifier Calculator • Transistor Design Tools • Motor Calculations • Stepper Motor Tools • Servo Motor Tools • Power Dissipation FILTER DESIGN • Sallen-Key Active Filters • Butterworth Filters • Chebyshev Filters • Bessel Filters • Band-Pass Filters • Band-Reject Filters • Crossover Filters Graphical visualization is available for supported filter calculations. RESISTOR, CAPACITOR & INDUCTOR TOOLS • Resistor Colour Code • SMD Resistor Code • Resistors in Series and Parallel • Resistor Ratio • LED Series Resistor • Star-Delta / Delta-Star Converter • Pi, Tee and Bridged-Tee Attenuators • Capacitors in Series and Parallel • Capacitor Charge • Capacitor Code • Capacitive Reactance • Inductive Reactance • Inductor Design OTHER ELECTRONICS TOOLS • 555 Timer — Astable and Monostable • Adjustable Voltage Regulator • PCB Trace Width Calculator • Microstrip Trace Width and Impedance • Skin Depth • Coaxial Cable Impedance • Power Calculator • Decibel Converter • Decibel to Watt and Watt to Decibel Electronic Circuit Calculator is useful for circuit analysis, circuit theory, electronic design, electrical calculations, digital electronics, power electronics, filter design, transistor calculations, op amp calculations, and electronics engineering study. Whether you are solving Thevenin, Norton, KCL, KVL, nodal or mesh problems, designing filters and amplifiers, or experimenting with digital ICs and converter simulations, the app brings your essential electronics tools together in one place. Calculate circuits. Analyze networks. Simulate electronics. Learn by interacting.

NuBarCode 是一款适用于 iPhone、iPad 和 Mac 的原生条码工具，用于识别条码内容，并将文本或链接生成二维码图片。 主要功能： - 识别 QR Code、PDF417、Data Matrix、Aztec 及常见一维条码。 - iPhone 和 iPad 支持相机扫描、系统照片选择器选图，以及图片和 PDF 文件导入。 - Mac 支持图片和 PDF 文件导入、拖拽导入及区域截屏识别。 - 将文本或链接生成 QR Code，并保存二维码图片。 - 以 ASCII 或 HEX 查看识别结果，核对不可见字符和字节内容；可复制结果，并在预览可用时保存条码图片。 - iPhone 和 iPad 的生成页提供键盘“全选”按钮，便于替换输入。 - iPad 支持横竖屏和可调整窗口，横屏双栏保持预览方正、两侧外框等高；大字号下根据可用空间安排区域内滚动。 - Mac 提供可调整尺寸的扫描与生成工作区。 NuBarCode 不需要账号，不包含广告，不使用追踪，也不会把条码内容上传到开发者服务器。识别与生成在设备本地处理。