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

This summer, the app is celebrating its 10-year anniversary! I would like to take a moment and thank you for being a part of our customer community. In this update the following changes have been made: • [PRO] Thermocouple calculator. • Slightly decreased the application size. • Fixed the missing animation of selected pin after switching the app between background and foreground. • Fixed the inability to enter zero in some input fields of 4-20 mA calculator • Added Polish localization. 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: • Decibels Calculator. • Minor updates of Voltage Divider 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] Series and parallel combinations. Calculation of values of two resistors connected in series or in parallel with total resistance closely matching the desired value. • Added infrared diodes to Resistor for LED calculator. • Added pinout of Raspberry Pi 5. • Added conversion of entered number to ASCII and Unicode text character in Numbers 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] Selection of SMD resistor marking for given resistance value. • Pinouts of LPT (Parallel Port) and Game Port interfaces. • Summing operational amplifier calculator. May all your wishes come true in 2024. Happy New Year! Rostyslav

In this update: • [PRO] 4-20 mA Signal Converter. • Transistor Circuits of Logic Gates. • Small optimizations in Datasheet Search engine. 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 several user requests were implemented: • Added search for text in datasheet preview screen (available on iOS 16 and newer). • Added megapascal (MPa) unit in unit converter. • Added description of diode cases/packages in SMD packages chart. 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: • Pinouts of SD and microSD memory cards. • RC Circuit calculator. • iOS 17 optimizations. • Minor user interface improvements of several calculators. 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] Attenuators calculator. • Ability to rearrange tools at main application screen. • Minor user interface improvements at several tools. 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: • Logic Gates truth table calculation tool. • Minor user interface improvements in Pinouts Browser. • Pinouts of Teensy 4.1 and 4.0. 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: • NTC thermistor resistance. Calculation of thermistor resistance at specified temperature range. • [PRO] NTC and Voltage Divider. Calculation of output voltage at specified temperature range of voltage divider that uses a thermistor. • [PRO] NTC and ADC. Calculation of output data from Analog to Digital Converter connected to a voltage divider that uses a thermistor. • PS/2 mouse and keyboard connector pinout. 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: • Three-band resistor marking. • Arduino Due and Leonardo pinouts. • Radxa Pi E and Pi S pinouts. • CPU and GPU fans 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: • Added new tool. Cable voltage drop calculator. • Optimizations for iOS 16. • New improved appearance of dropdown lists. • Small optimizations in Datasheet Search engine. • Added About the app section. • Fixed wrong title of kilowatt-hour unit in Unit Converter. • Added tooltip at Operational Amplifier 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 small update: • Added PCI Express x1, x4, x8 and x16 pinouts. • Extended the list of datasheets sources. Big thank you to everybody who either 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

• New Unit Converter tool. • Updated Voltage Divider tool. Now you can also calculate resistors values and input voltage. • New pinouts: Raspberry Pi Zero W and Zero 2 W, Arduino Pro Micro. Big thank you to everybody who either 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

• [PRO] Added 100 thousands new SMD component markings. • [PRO] Added footprint images for majority of SMD component markings. • New Number Conversion tool. Due to the launch of a full-scale military invasion against Ukraine, I cannot predict when the next app update will be released. Thank you very much to all users who have been using the app through all these years. Regards, Rostyslav

• New RLC Circuit calculator. • [PRO] Significantly reduced the size of SMD components marking codes database (from 200 megabytes to 50). • The app is now available in Italian. Thanks to carlogulino1998 and andreabilancione for contribution. This was a tough year for all of us. I genuinely wish each and every one of you a better 2022. Stay healthy and may all your dreams come true. Merry Christmas and a Happy New Year! Regards, Rostyslav

• Description of TDK/Epcos capacitor markings. • Brand new Operational Amplifiers calculator. • Updated French localization. Thanks to TomCarbon for contribution. • Bug fixes. Big thank you to everybody who either 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

• Optimizations for iOS 15. • 555 Astable Generator (50% Duty Cycle). • [PRO] 555 Astable Generator (Variable Duty Cycle). • The app is now also available on macOS 11 Big Sur. Download now at Mac App Store. • Updated datasheet search engine. Big thank you to everybody who either 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