Features
* support dictionary
* Support brute force
* Support importing word list file
* Advanced brute force (customize charset)
* Mixed mode
​* Passphrase

Android 
iOS

Bode plot app is released

Features
* Bode plot for pre-defined RLC circuit
* Bode plot for custom RLC circuit
* Bode plot for multi-stages RLC circuit
* Bode plot for H(s) transfer function
* Bode plot for H(z) transfer function
* Import data from text file
* Export chart data to CSV file

Android
https://play.google.com/store/apps/details?id=com.peterhohsy.bode_plot​

Partial fraction decomposition app is released

Features in free version
• partial fraction decomposition
• show calculation steps
• export result to a .TXT file
• print the calculation steps
• support up to second-degree polynomial

In-app purchase items
• Unlock the degree of polynomial limitation

Android
https://play.google.com/store/apps/details?id=com.peterhohsy.partial_fraction
ios
https://apps.apple.com/us/app/partial-fraction-decomposition/id1661102075?uo=2​

Signal flow graph app is released

Features in free version
• calculate the numeric overall gain
• calculate the symbolic overall gain
• show calculation steps
• export signal flow graphs to .TXT, .JSON, .YAML and .PNG files
• print the calculation steps
• support up to 4 nodes

In-app purchase items
• Unlock the number of nodes in the signal flow graph

Android : https://play.google.com/store/apps/details?id=com.peterhohsy.sfg

Matter (Home automation connectivity standard)

website : https://csa-iot.org/
sdk : https://github.com/project-chip/connectedhomeip 
Specification 1.0 is released

Reliability of systems app is released

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

Android : https://play.google.com/store/apps/details?id=com.peterhohsy.reliability​
iOS : https://apps.apple.com/us/app/reliability-of-systems/id6443837301​

Workshop for NodeMCU is released
​

1. Display projects
• Character LCM 16x2
• Graphic LCM 128x64, LCM5110 (84x48)
• I2C OLED 96x64
• SPI OLED 96x64

2. Sensors Projects
• PIR sensor
• DHT11 (temperature and humidity)
• BMP180 (pressure)
• 18B20 (1-wire temperature sensor)
• MPU6050 (accelerator + gyroscope)
• Pulse sensor (Measure heart rate)
3. Automation projects
• Use an Android app to control home appliances
• Use Google Assistant to control home appliances
• Use Siri & Shortcuts to control home appliances

4. Internet-of-Things Projects
• Post sensor data to Iot Thingspeak website
Android
iOS

Arduino IDE 2.0.0 is released

- support Windows 10, Mac 10.14 (Mojave) or newer, Linux

Alternative software

1. Microsoft office (Free : LibreOffice, OnlyOffice)
​2. Adobe photoshop (Free : Gimp,  Pinta , kirta)
3. Adobe lightroom (Free: darktable )
4. VMWare (Free: vitrualbox )
5. Final cut (Free : DaVinci Resolve,  shotcut, capcut)
6. Adobe illustrator (Free : inkscape )
7. Bandicam , snagit (Free : OBS studio , ShareX )
8. Maya (Free : Blender )
9. Adobe audition (Free : Audacity )
10. Wondershare Uniconverter (Free : handbrake )

Opamp Tools is released

  • inverting, non-inverting, summing and instrumentation amplifier 
  • 1st order and 2nd order  filter
  • inverting and non-inverting comparator with hysteresis 
  • phase-shift, wien bridge, colpitts and hartley oscillator
          iOS app    Android app

MacOS 12 Monterey is released 

Oct 25, 2021

Pico workshop using Arduino IDE app is released !

Now, users can use Arduino IDE to program the Raspberry Pi Pico 

​Android app : link

Pico workshop is released !

Link : https://play.google.com/store/apps/details?id=com.peterhohsy.pico_workshop

1. Display projects
• I2C Character LCM 16x2, 20x4
• I2C OLED 96x64, SPI OLED 96x64

2. Sensors Projects
• 18B20 (1-wire temperature sensor)
• BMP180 (pressure)
• MPU6050 (accelerator + gyroscope)
• Pulse sensor (Measure heart rate)

3. Automation projects
• Home automation using Wifi
• Home automation using bluetooth
• Home automation using bluetooth LE

4. Internet-of-Things Projects
• Post sensor data to Iot Thingspeak website
• Post sensor data via SMS

Fx Minimizer app released

* Logic expression minimization using minterms
* Logic expression minimization using truth table
* Import truth table from CSV files
* Support don't care terms

Android : https://play.google.com/store/apps/details?id=com.peterhohsy.fxminimizer
iOS :  ​https://apps.apple.com/us/app/fx-minimizer/id1543053758

UX wireframe for powerpoint

iOS wireframe
Picture
Android wireframe
Picture

​Maker Project 360 (iOS) - RELEASED

Picture

Features

1.    Support different boards :
        8051, Atmega16, Arduino Uno, NodeMCU
2.    Display projects
        Character LCM 16x2, 20x4,  Graphic LCM 128x64, LCM5110 (84x48), I2C OLED 96x64, SPI OLED 96x64,
        TFT 176x220, UART HMI TFT Display
3.    Sensors Projects
        DHT11 (temperature and humidity),  BMP180 (pressure), 18B20 (1-wire temperature sensor)
        MPU6050 (accelerator + gyroscope),  Pulse sensor (Measure heart rate)
4.    Automation projects
        Use an Android app to control home appliances
        Use Google Assistant to control home appliances
        Use Siri & Shortcuts to control home appliances
 5.   Internet-of-Things Projects
        Post sensor data to Iot Thingspeak website

​    Link

Scoreboard for duckpin

Android
FREE version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowling
Pro version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowlingpro
Ultra version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowlingultra

iOS
FREE version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowling
Pro version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowlingpro
Ultra version
https://play.google.com/store/apps/details?id=com.peterhohsy.duckpinbowlingultra

Maker Project 360 (Android)


Features

1.    Support different boards :
        8051, Atmega16, Arduino Uno, NodeMCU
2.    Display projects
        Character LCM 16x2, 20x4,  Graphic LCM 128x64, LCM5110 (84x48), I2C OLED 96x64, SPI OLED 96x64,
        TFT 176x220, UART HMI TFT Display
3.    Sensors Projects
        DHT11 (temperature and humidity),  BMP180 (pressure), 18B20 (1-wire temperature sensor)
        MPU6050 (accelerator + gyroscope),  Pulse sensor (Measure heart rate)
4.    Automation projects
        Use an Android app to control home appliances
        Use Google Assistant to control home appliances
        Use Siri & Shortcuts to control home appliances
 5.   Internet-of-Things Projects
        Post sensor data to Iot Thingspeak website

More projects will be added soon !
 
It will be released on Aug 16, 2019

Here
2019-02-17

Home automation using Google assistant

Available in AVR Tutorial
2019-02-17

Home automation using Siri

Available in AVR Tutorial
2018-08-10

 Back to school Sale 2018

Android app (1 USD)
This offer is valid from 1 Sep to 3 Sep 2018This offer is valid from 4 Sep to 6 Sep 2018Note:
Some countries may include tax.
2018-06-10

Programmable Sound chip (SN76489)

Available in AVR Tutorial
Available in 8051 Tutorial
2018-06-01
​Robot Car (LoRa)
Available in AVR Tutorial
Available in 8051 Tutorial
2018-04-11

Robot Car (Bluetooth, Bluetooth LE, 24L01)

Available in AVR Tutorial
Available in 8051 Tutorial

Bluetooth Robot car demo

315MHz robot car demo

Bluetooth LE Robot car demo
2018-02-08
iOS : My Gate Ball
Release in Feb 10, 2018
Picture
2017-04-20
AVR Tutorial Pro 1.0.17 (Android)
* Robotic arm (Bluetooth) example is added
* Robotic arm (Bluetooth LE) example is added
Robotic arm (Bluetooth) demo
Robotic arm (Bluetooth LE) demo
2017-04-09
AVR Tutorial Pro 1.0.16 (Android)
* I2C OLED 128x64 example is added
* Robotic arm example is added
 
2017-04-02
8051 Studio Pro 1.0.18 (Android)
* Robot car example is added
* Robotic arm example is added
Robotic arm
Robot car
2017-02-18

AVR Tutorial Pro 1.0.15 (Android)

* Touch key, ultrasonic HC-SR04, 2.4GHz (24L01), Wifi ESP8266 module, BMP180 sensor, DHT11 sensor, DC motor (PWM)
2017-02-03
AVR Tutorial Pro 1.0.14 (Android)
* Servo motor, stepper motor, DFPlayer mp3 module, 18B20 temperature sensor, analog joystick and TM1637 clock display example are added
2017-01-19
8051 Studio Pro 1.0.13 (Android)
* 7-segment clock example is added
* 18B20 temperature sensor example is added
* IR receiver (NEC) example is added
2017-01-01
Android App update
Timer 555 calculator 2.3.6
Cube Timer 3.0.5
Secure Delete 3.0.21
Electronic Toolbox 2.6.3
My Bowling Scoreboard 3.0.16
Archery Score Keeper Ultra 3.0.27

2016-11-26
Android App update
GPS Logger 3.2.7
GPS Logger Pro 3.29
My Sports Tracker 1.0.7
My Sports Tracker Pro 1.0.7
Archery Score Keeper Pro 3.0.27
Archery Score Keeper Ultra 3.0.26

Teardown Video (check it out)
PlayStation 4 Pro Teardown
Google Pixel XL Teardown
iPhone 7 and 7 Plus Teardown
13" MacBook Pro (With Touchbar) Teardown
Meizu MX6 Teardown Review!
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