電工電子工具箱
免費 · App內購買
It is very convenient for ee engineer.
Thank you for the review.
- [PRO] 太陽能組串設計。根據組件規格、溫度係數與安裝地點的極端溫度,求出光電陣列所需充電控制器或逆變器的最低電壓與電流額定值。 - [PRO] 電纜與熔斷器選型。依 NEC 或 IEC 規則,為光電陣列選定導體截面積以及組串熔斷器與斷路裝置的額定值。 - RMS 轉換器。針對七種波形,在電壓或電流的峰值、均方根值與峰對峰值之間相互換算,並顯示各波形的峰值因數與平均值。 - 新增接腳圖:Ethernet PoE、ATmega328P、ATtiny85、ATtiny84A、ATmega32U4、ATmega4809。 非常感謝自上次更新以來訂閱或購買 PRO 版本的所有使用者。您的支持讓這款 App 變得更好。如果您喜歡這款 App,請給予評分並留下評論。 謹啟, Rostyslav
- [PRO] 接面溫度計算器。根據環境溫度與熱阻,在使用或不使用散熱器的情況下求出接面溫度或耗散功率,並繪製功率降額曲線。 - 新增接腳圖:SMEMA、兩種 RS-485 變體,以及 RJ11/RJ14/RJ25。 - 單位轉換器新增面積與體積單位。 - 資料手冊與等效零件搜尋新增更多來源。 非常感謝自上次更新以來訂閱或購買 PRO 版本的所有使用者。您的支持讓這款 App 變得更好。如果您喜歡這款 App,請給予評分並留下評論。 謹啟, Rostyslav
- 理想變壓器計算器。根據變壓比求出繞組的未知匝數、電壓與電流,或根據額定功率求出繞組電流。 - [PRO] 每伏匝數計算器。根據工作頻率、有效磁芯截面積與最大磁通密度,計算變壓器繞組的每匝電壓與匝數。 - 電纜壓降計算器顯示計算中使用的公式。 - 工具清單中的搜尋列。 非常感謝自上次更新以來訂閱或購買 PRO 版本的所有使用者。您的支持讓這款 App 變得更好。如果您喜歡這款 App,請給予評分並留下評論。 謹啟, Rostyslav
- Air-core coil calculator. Determines inductance or required number of turns of a single-layer solenoid from former diameter, wire diameter, insulation thickness and gap between turns. Also reports wire and coil length. - [PRO] BJT voltage divider bias calculator with three modes: voltage and current ratios, target operating point voltages, or a given set of resistors. - Additional pressure measurement units in Unit Converter. - This is the last release supporting iOS 16. Please update to a newer iOS version to continue to receive updates. Big thank you to everybody who subscribed or purchased the PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Battery life calculator. Estimates runtime of a battery pack from its chemistry, cell configuration, capacity, depth of discharge and load. Advanced mode additionally accounts for internal resistance, C-rate, Peukert exponent and energy conversion efficiency, and plots the discharge curve. - [PRO] Series and parallel connection calculator now accounts for component tolerance. Select an E-series for each resistor, capacitor or inductor to see the minimum and maximum of the equivalent value. Entered components are also kept between application relaunches. - [PRO] PCB trace width calculator now also shows the trace cross-section area and the minimum via diameter and barrel area required to carry the same current. - Unit Converter now supports angle and torque measurements. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Differential amplifier calculator. Solve for any unknown parameter (resistor values, input or output voltages) in a differential op-amp circuit. Calculates inverting and non-inverting gain. - [PRO] Wire resistance calculator. Determine the DC resistance of a conductor based on its material, cross-section, temperature and length. Supports AWG, IEC 60228 standard sizes, and custom circular or rectangular cross-sections. Also calculates voltage drop and dissipated power. - Pinouts for Orange Pi 4 Pro and Zero 3 single board computers. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Section switch at main menu. It allows to quickly switch between list of all, favorite and recently used calculators. - [PRO] Ability to add your own SMD components marking codes. - Updated Reactance Calculator. It is now possible to calculate not only reactance but also capacitance or inductance and frequency. - [iOS 17+] ESR table shows lower and upper bounds of expected capacitance. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Square root scale type in 4-20 mA current loop calculator. - Color code tool for decoding marking of fuses. - Ability to edit individual bits in Number Converter. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Updated the database of SMD components’ markings. It now stores 518 thousand components and is available without Internet access. - Updated ESP32 pinouts. - Capacitor code calculator now additionally displays calculated capacitance with milli, micro, nano and pico prefixes. - Improved contrast of some elements when a dark color scheme is used. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Resistor voltage divider calculator for DC buck voltage converter. - 11 pinouts of PCI Express M.2 interface. - Search bar in pinouts list screen. - [PRO] Pt(391)46 and Cu53 resistance temperature detectors. - RC circuit calculator automatically saves entered values between application relaunches. - Small change of Ohm's law formula selection wheel. May all your wishes come true in 2026. Happy New Year! Regards, Rostyslav
In this update: - Apple Shortcuts support. Add frequently used tools to home screen using integration with Apple Shortcuts. - [PRO] Type L thermocouple. - [PRO] New types of resistance temperature detectors. - New SATA pinouts. - Updated app icon for iOS 26. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] New amplitude-phase frequency response plot (Nyquist plot) in passive filter editor. - Ability to turn off display sleep while the app is open in app settings. - Color code tool for decoding marking of 25-pair cables. - Vietnamese and Thai localizations. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Passive filter editor now also shows phase response curves. You can also customize the measurement units for better analysis of your filter designs. - Unit converter now supports kg/cm2 pressure measurements. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Custom LED models. Create and save your own LED specifications with threshold or voltage-current table simulation methods. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Platinum RTD calculator. - Updated the formulas for calculating wire ampacity in the AWG calculator. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Ability to specify arbitrary analog signal range bounds in 4-20 mA current loop calculator. - Ability to sort saved datasheets in library. - Pinout of IEEE 1394 / FireWire interface. - Minor update of Raspberry Pi pinouts. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - When using iOS 17 or newer, the ESR tables reference of electrolytic capacitors will have an updated look with ability to show ESR values only for specific operating voltages or capacitances. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Pinout of Flipper Zero. - Fixed error in images of NOT and BUFFER logic gates. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Passive Filters calculator shows formulas used to calculate the signal magnitude. - Ability to add PDF files from external sources to Datasheet Library. - Fixed alignment of pins depiction in DVI pinouts. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - When using iOS 18, any list of electronic schematic symbols can be translated into the app's current language. - Internal stability improvements. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - When using iOS 18, any list of electronic schematic symbols can be translated into the app's current language. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - Pinout of LubanCat 4 single board computer. - Internal optimizations. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - [PRO] Ability to add tags for saved datasheets. - [PRO] Current loop calculator supports other analog signal types besides the 4-20 mA. - Other small improvements. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
In this update: - New pinouts of various boards based on ESP8266 chip. - Application icon supports iOS 18 dark and tinted modes. - Possibility to view additional information about SOT or diode package at SMD packages chart. - Other small improvements. Big thank you to everybody who subscribed or purchased the app's PRO version. Your support helps to make this app even better. If you like this app, please rate it and leave a review. Regards, Rostyslav
開發者Rostyslav Dovhaliuk指出 App 的隱私權實務可能包含下方描述的資料處理。此資訊尚未經 Apple 驗證。如需更多資訊,請參閱 開發者的隱私權政策 。
若要進一步瞭解開發者的回應,請參閱 隱私權定義和範例 。
依據你使用的功能或你的年齡等因素,隱私權實務可能有所不同。 更多內容
系統可能會收集以下資料,但不會將其與你的身分連結。資料可能作下列用途:
開發者Rostyslav Dovhaliuk指出App的隱私權實務可能包含下方描述的資料處理。如需更多資訊,請參閱 開發者的隱私權政策 。
系統可能會收集以下資料,但不會將其與你的身分連結:
開發者(Rostyslav Dovhaliuk)表示,此 App 支援以下輔助使用功能,幫助使用者更輕鬆快速地完成 App 中的常見操作。 進一步瞭解
開發者表示,此 App 支援以下輔助使用功能。 進一步瞭解
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