Electronics Engineer Helper vs TCP&UDP调试工具

Digital toolbox for electronics engineers and electricians. Calculators and references for beginners and professionals — for work, study, DIY, and repair. Used by over 100,000 users. Completely ad-free. Included tools: • Datasheet search • Equivalent parts search (cross reference for transistors, diodes and ICs) • Resistor color and digit marking (4, 5 and 6 band color code; 2 symbols, 3/4 digit and EIA-96 code SMD resistors code) • Electronic schematic symbols (IEC 60617, IEEE 315 and GOST standards) • Pinouts of connectors and interfaces (USB, HDMI, DisplayPort, DVI, VGA, Thunderbolt, Apple Lightning and 30-pin, SATA, PCI Express and M.2, Ethernet RJ45 with PoE, RJ11/RJ14/RJ25, RS-232/422/485, IEEE 1394 FireWire, ATX, computer fans, SD card, audio jack, RCA, MIDI, XLR, PS/2, D-sub, SMEMA) • Pinouts of boards and microcontrollers (Raspberry Pi and Pico, Arduino, ESP32, ESP8266, STM32 Nucleo, Teensy, Orange Pi, RADXA Rock Pi, LubanCat, Flipper Zero, ATmega and ATtiny) • Ohm's law calculator • AWG converter (wire diameter, cross-section area, resistance and maximum current) • Resistor for LED • Voltage divider • Wheatstone bridge (output voltage or unknown resistance, current and power of every arm) • Capacitor code • Capacitor markings • Capacitor ESR tables • Frequency response curve calculation of passive filters (RC, RL, RLC, LC) • Inductor color code • Air-core coil calculator (inductance or number of turns of a single-layer solenoid) • Ideal transformer (winding turns, voltages and currents) • Linear current regulator • SMD packages list • Reactance • PCB trace resistance • Active, apparent and reactive power • RMS converter (peak, RMS and peak-to-peak values for seven waveform shapes) • 555 waveform generator • Operational amplifiers • RLC circuit • Number conversion • Unit converter • Cable voltage drop • Battery life (runtime of a battery pack, with discharge curve) • NTC thermistor resistance • Logic gates • RC circuit • Decibels calculator • 25-pair cable color code • Fuse color marking Additionally, by purchasing the PRO version of the app, you will get access to additional tools: • SMD components marking codes • Diodes color code (Pro Electron, JEDEC and JIS-C-7012 standards) • Linear voltage regulator • Resistor value to color or SMD code marking converter • Voltage rectifier • Series or parallel electrical components' connection calculator • Diode voltage drop • Minimum PCB trace width • Analog to digital conversion • Attenuators • 4-20 mA signal converter • Thermocouple calculator • Resistance thermometer • Buck switching voltage regulator • Wire resistance • Zener diode regulator (Zener diode and series resistor selection from a catalogue of 438 parts) • Load cell (bridge output voltage to weight, force, pressure or torque) • BJT voltage divider biasing • Transformer turns per volt (from core area, flux density and frequency) • Junction temperature (with or without a heatsink, power derating curve) • Solar string dimensioning (minimum voltage and current ratings for a PV array) • Solar cable and fuse selection (NEC and IEC rules) • 555 astable generator with variable duty cycle • NTC thermistor in a voltage divider and with an ADC input Privacy Policy: https://www.eehelper.app/ios/privacy/ Terms of Use: https://www.eehelper.app/ios/terms/

1全面集成 TCP服务器/客户端; UDP服务器/客户端; UDP广播/组播 功能 2支持多Socket并行测试, 采用树状Socket可视化界面,所有Socket句柄一目了然 3在一个程序内可进行多句柄/多类型的Socket的创建/删除/以及数据收发等操作 4支持16进制的发送和16进制接收显示，支持汉字以及文本发送 5用户可以方便的把接收到的数据保存下来 6支持发送、接收字节数统计 7支持数据循环发送,同一内容可自动发送1次至10000000次 8支持TCP协议发送和接收数据。支持服务器模式和客户端模式。服务器模式主要用于测试TCP接收。客户端主要用于TCP主动请求。 9支持UDP和UDP广播方式发送和接收。 10支持多连接，可同时对多路网络连接进行操作。 11支持发送汉字。 12支持十六进制发送和接收方式。 关于TCP&UDP的自动续订： – 购买确认后,付款将立即记入iTunes帐户。 – 当前周期结束前至少24小时可关闭自动续订，否则将自动续订。 – 当前周期结束前24小时内帐户将续订扣费。该费用根据选定计划而定。 – 用户可管理订阅，购买后前往用户帐户设置可关闭自动续订。 – 免费试用期限的任何未用部分将在用户购买适用性订阅时自动作废。 现提供以下1种订阅方式，享受创建任意客户端、服务器数量，TCP、UDP无限字节数量，且无广告: • 周订阅，含三天免费试用 – 9.99 US$ 自动续费会员服务协议： http://printphotos.win10appstore.com/app/automatic_renewal_service_agreement.html 使用条款: http://printphotos.win10appstore.com/app/service_terms.html 隐私政策: http://printphotos.win10appstore.com/app/privacy_policy.html