모든 Siu Yuen Ho 무료 iOS 앱 및 게임

AVR Tutorial5.0

This app is a AVR tutorial based on ATMEGA16 C language. It is suitable for hobbyist or engineering students. Learning AVR mcu is difficult. The learning curve is steep. The process including reading datasheet, writing code, building prototypes and troubleshooting. The most possible errors are the

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Tracks Logger5.0

This app records your tracks into files Features: - Log latitude, longitude , altitude, speed and distance - Save data in CSV, KML, GPX, TCX (Garmin) , FITLOG (SportTracks) and NMEA files - Support both Apple map services and Google Map - Support background logging - Share file via AirDrop - Upload

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8051 Tutorial5.0

This app is a 8051 tutorial based on C language. It is suitable for hobbyist or engineering students. Features • 8051 architecture review • 8051 asm mnemonics • 8051 C language • 11 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1 )

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Resistor Tools5.0

This app is a collection of resistor calculators. It is suitable for hobbyist or electronic engineer. * Calculate resistance of two resistors in series or parallel * Find out combinations of two resistors in series/parallel making a desired resistance * Calculate ratio of R1/R2 and voltage divider

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Thermistor Tool5.0

This app is a calculator for thermistors. It is suitable for hobbyist, students or engineers. Features • support β model • support Steinhart–Hart model • conversion between temperature and resistance • show temperature-resistance graph All trade names mentioned in this app or the other documentati

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My Cube Timer Pro5.0

The application records the time for completion of 2x2x2, 3x3x3 or 4x4x4 etc. Features * Scramble generator for 2x2x2 and 3x3x3 * The best time and average time are calculated. * Inspection timer * Exporting records to CSV file * Send CSV via AirDrop * Upload CSV to iCloud Drive (For iOS8 or

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Electronics Kit4.8

This app is a powerful collection of electronics tools. It is suitable for hobbyist, electronic engineers or professionals The FREE version may contain ads. You can also buy the PRO version to support the developer, unlock more features and get rid of the ads. Component value functio

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RC Circuit4.8

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer. Features * Calculate time constant from R, C * Find component value R,C from time constant * Get voltage at time t in RC charging / discharging * Calculate cutoff frequency by R,

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Scoreboard for Duckpin Lite4.8

Features in Lite version * Record bowling score or pin location in database * Retrieve score or pin location from a database * Show statistic of the score, strike, pin location * Export history to CSV (Excel) files * Support 2 bowlers * Support up to 10 history records * Upload files to iCloud Drive

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Voltage Regulator4.7

This app is a voltage regulator calculator. It is is suitable for electronics hobbyist, electronic engineers or professionals. Features * Support 3-terminals adjustable voltage regulators * To find out combinations of 2 resistors making a desired output voltage * Calculate resistor values / outpu

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Easy Expense Lite4.7

The simple interface design lets you keep records of income and expense easy. It is suitable for adults and their children Features * Ease to use * Keep tracks of income and expense * Customize income and expense categories * You can modify or delete the records that you have created * Export

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My Cube Timer4.7

The application records the time for completion of 2x2x2, 3x3x3 or 4x4x4 etc. Features * Scramble generator for 2x2x2 and 3x3x3 * The best time and average time are calculated * Limit 500 results per puzzle * Inspection timer * Exporting records to CSV file * Send CSV via AirDrop * Upload C

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Timer 555 Calculator Pro4.7

This app is used to calculate monostable and astable circuit. Features * Calculate pulse width of monostable circuit * Calculate frequency of astable circuit * Find out combination of components making a desire pulse width in monostable circuit * Find out combination of components making a desire f

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My Bowling Ultra4.6

Bowling is my favorite hobby. I need an app to record down the score and pin location for further analyst. For example, what is the percentage of spare of “Big four”? or how many times of continuous 4 strike ? So, I decide to write this app. Features * Record bowling score or bowling pin location i

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My Archery4.5

This app is used to keep records of archery scores. Features : * Record archery score in database * Record field conditions : distance and face size * Customize the number of ends and the number of arrows per end * Retrieve score history * Database backup and restore * Support multiple target dista

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My Archery Pro4.4

This app is used to keep records of archery scores Features : 1. Record archery score in database 2. Record field conditions : distance and face size 3. Customize the number of ends and the number of arrows per end 4. Multiple target distances 5. Preset GNAS and FITA rounds 6. Retrieve and edit sc

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My Bowling Pro4.3

Bowling is my favorite hobby. I need an app to record down the score and pin location for further analyst. For example, what is the percentage of spare of “Big four”? or how many times of continuous 4 strike ? So, I decide to write this app. Features * Record bowling score or bowling pin location i

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My Bowling4.3

Bowling is my favorite hobby. I need an app to record down the score and pin location for further analyst. For example, what is the percentage of spare of “Big four”? or how many times of continuous 4 strike ? So, I decide to write this app. Features * Record bowling score or bowling pin location i

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My Archery Ultra4.0

This app is used to keep records of archery scores. It supports multiple archers. And it is suitable for archery coach. Features : * Support multiple archers * Record archery score in database * Record field conditions : distance and face size * Customize the number of ends and the number of arrow

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Resistor Tools Pro4.0

This app is a collection of resistor calculators. It is suitable for hobbyist or electronic engineer. * Calculate resistance of 2 resistors in series or parallel * Find out combinations of 2 resistors in series/parallel making a desired resistance * Calculate ratio of R1/R2 and voltage divider

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Timer 555 Calculator3.9

This app is used to calculate monostable and astable circuit. Features * Calculate pulse width of monostable circuit * Calculate frequency of astable circuit * Find out combination of components making a desire pulse width in monostable circuit * Find out combination of components making a desire f

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Tracks Logger Pro3.7

This app records your tracks into files Features: - Log latitude, longitude , altitude, speed and distance - Save data in CSV, KML, GPX, TCX (Garmin) , FITLOG (SportTracks) and NMEA files - Support both Apple map services and Google Map - Support background logging - Share file via AirDrop - Upload

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ZIP password finder2.0

This app finds the passwords for ZIP files. Features * support dictionary * support brute force * support importing word list file * customize charset per password character Applications licensed to you are absolutely legal as long as you are the legal owner of all files or materials you wish

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Easy Ohm's Law1.5

Calculate voltage , current , resistance and power 1. Enter any of two items, the other items will be calculated 2. The units of calculated values will be adjusted automatically. 3. Support English, German, French, Italian, Spanish, Portuguese, Japanese, Korean, Traditional Chinese, Simplified Chin

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Fx Minimizer1.0

Logic expression minimization becomes quite cumbersome with more than four variables. Quine-McCluskey method is the solution. The app use Quine-McCluskey method to minimize multiple variables logic expression Features * Logic expression minimization using minterms * Logic expression minimization u

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RC Circuit Pro1.0

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer. Features * Calculate time constant from R, C * Find component value R,C from time constant * Get voltage at time t in RC charging / discharging * Calculate cutoff frequency by R,

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Opamp tools-

This app is the collection of operational amplifier calculators. It is suitable for hobbyist or electronic engineer. Features * Inverting amplifier * Non-Inverting amplifier * Differential amplifier * Summing amplifier * Inverting comparator * First-order filter * Second-order filter (HPF) * P

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Reliability of systems-

This app is a tool for calculating reliability. It is suitable for hobbyist, students or engineers. Features • Mean-Time-Between-Failure (MTBF) calculator • Reliability of series systems • Reliability of parallel systems • Reliability function Features in PRO • Reliability of mixed systems All tr

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My Gate Ball-

This app records your gate ball scores Features in Lite version - Log gate ball scores - Show statistics - Compare team performance - Database backup and restore - Support maximum 2 teams - Support maximum 10 history records - Support English, Japanese, Korean, Traditional Chinese and Simplified

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Electronics Kit Pro-

This app is a powerful collection of electronics tools. It is suitable for hobbyist, electronic engineers or professionals The FREE version may contain ads. You can also buy the PRO version to support the developer, unlock more features and get rid of the ads. Component v

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EE Calculator-

This app is a collection of basic electronic calculators. It is suitable for hobbyist, electronic engineers or professionals. Features • Calculate resistance of 2 resistors in series / parallel • To find out combinations of 2 resistors in series / in parallel making a desired resist

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Easy Expense Pro-

The simple interface design lets you keep records of income and expense easy. It is suitable for adults and their children Features * Ease to use * Keep tracks of income and expense * Customize income and expense categories * You can modify or delete the records that you have created * Export

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Workshop for Raspberry Pi-

This app is a collection of rich demo projects for makers, electronics enthusiast, or engineering students using Raspberry Pi development board Features 1. Display projects • Character LCM 16x2, 20x4 • I2C OLED 96x64 • SPI OLED 96x64 • TFT 176x220 2. Sensors Projects • DHT11 (temperature and humi

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Fx Minimizer Pro-

Logic expression minimization becomes quite cumbersome with more than four variables. Quine-McCluskey method is the solution. The app use Quine-McCluskey method to minimize multiple variables logic expression Features * Logic expression minimization using minterms * Logic expression mi

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AVR Tutorial Pro-

This app is a AVR tutorial based on ATMEGA16 C language. It is suitable for hobbyist or engineering students. Learning AVR mcu is difficult. The learning curve is steep. The process including reading datasheet, writing code, building prototypes and troubleshooting. The most possible errors are the

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My Gate Ball Pro-

This app records your gate ball scores Features in Lite version - Log gate ball scores - Show statistics - Compare team performance - Database backup and restore - Support maximum 2 teams - Support maximum 10 history records - Support English, Japanese, Korean, Traditi

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EE Calculator Pro-

This app is a collection of basic electronic calculators. It is suitable for hobbyist, electronic engineers or professionals. Features • Calculate resistance of 2 resistors in series / parallel • To find out combinations of 2 resistors in series / in parallel making a desired resist

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8051 Tutorial Pro-

This app is a 8051 tutorial based on C language. It is suitable for hobbyist or engineering students. Features • 8051 architecture review • 8051 asm mnemonics • 8051 C lanugage • 22 projects including LED, buzzer, key switch, external interrupt, 7-segment display, 8x8 led matrix, timer (mode 0,1,2)

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Workshop for Arduino-

This app is a collection of rich demo projects for makers, electronics enthusiast, or engineering students using arduino development board Features 1. Display projects • Character LCM 16x2, 20x4 • Graphic LCM 128x64, LCM5110 (84x48) • I2C OLED 96x64, SPI OLED 96x64 • TFT 176x220 • UART HMI TFT D

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Maker Projects 360-

This app is a collection of rich demo projects for makers, electronics enthusiast, or engineering students. Features 1. Support different boards • 8051 • Atmega16 • Arduino Uno • NodeMCU • ESP32 • STM32 • Raspberry Pi 2. Display projects • Character LCM 1

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My Gate Ball Ultra-

This app records your gate ball scores Features in Lite version - Log gate ball scores - Show statistics - Compare team performance - Database backup and restore - Support maximum 2 teams - Support maximum 10 history records - Support English, Japanese, Korean, Traditi

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Workshop for NodeMCU-

This app is based on NodeMCU (ESP8266 MCU) development board. All the codes provided are written in C. It is suitable for hobbyist or students. Features 1. Display projects * Character LCM 16x2 * Graphic LCD 84x48 * I2C OLED 96x64 * SPI OLED 96x64 2. Sensors Projects *

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Star-Delta Calculator-

This app provides conversion between star delta electrical networks. Features * Convert resistor star network to delta network * Convert resistor delta network to star network Pro features * Convert capacitor star network to delta network * Convert capacitor delta network to star network * Co

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Scoreboard for duckpin Pro-

Features in PRO version * Record bowling score or pin location in database * Retrieve score or pin location from a database * Show statistic of the score, strike, pin location * Export history to CSV (Excel) files * Support 2 bowlers * Appending game score or pin location in histor

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Scoreboard for duckpin Ultra-

Features * Record bowling score or pin location in database * Support multiple bowlers * Retrieve score or pin location from a database * Show statistic of the score, strike, pin location * Data comparison * Export history to CSV (Excel), PDF, xlsx files * Upload files to iC

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Workshop for Raspberry Pi Pico-

This app is a collection of rich demo projects for makers, electronics enthusiast, or engineering students using Raspberry Pi Pico development board Features 1. Display projects • Character LCM 16x2 • I2C OLED 96x64 • SPI OLED 96x64 • TFT 176x220 • LED matrix • P10 led matrix 2. Sensors Projec

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