Information
Arduino STEM DIY (Session 3): Build an Ultrason...
Build a simple Arduino distance sensor using the HC-SR04 ultrasonic module. Follow the wiring guide, upload the complete code, view readings in the Serial Monitor, and control an LED based...
Arduino STEM DIY (Session 3): Build an Ultrason...
Build a simple Arduino distance sensor using the HC-SR04 ultrasonic module. Follow the wiring guide, upload the complete code, view readings in the Serial Monitor, and control an LED based...
Parent-Child STEM DIY (Session 2): Arduino Ligh...
Build a simple Arduino light sensor indicator using the KY-018 photoresistor and Arduino Uno. Learn analog input, analogRead(), Serial Monitor and sensor threshold control through a hands-on STEM project.
Parent-Child STEM DIY (Session 2): Arduino Ligh...
Build a simple Arduino light sensor indicator using the KY-018 photoresistor and Arduino Uno. Learn analog input, analogRead(), Serial Monitor and sensor threshold control through a hands-on STEM project.
Parent-Child STEM DIY (Session 1): Build an Ard...
Build a simple Arduino PIR motion alarm with your child using an Arduino Uno, HC-SR501 motion sensor, active buzzer and LED. No soldering required.
Parent-Child STEM DIY (Session 1): Build an Ard...
Build a simple Arduino PIR motion alarm with your child using an Arduino Uno, HC-SR501 motion sensor, active buzzer and LED. No soldering required.
ESP32-S3 vs ESP32-C3 vs ESP32-C6 vs ESP8266: Wh...
Sun Cheong Computer breaks down ESP32-S3, C3, C6 and ESP8266 specs: AI/imaging, Matter smart home, Wi-Fi 6, and legacy options — with Sham Shui Po store stock.
ESP32-S3 vs ESP32-C3 vs ESP32-C6 vs ESP8266: Wh...
Sun Cheong Computer breaks down ESP32-S3, C3, C6 and ESP8266 specs: AI/imaging, Matter smart home, Wi-Fi 6, and legacy options — with Sham Shui Po store stock.
Choosing the Right Power Adapter in Hong Kong: ...
Sun Cheong Computer explains how to choose the right power adapter in Hong Kong: voltage, current, DC plug sizes, polarity, and lithium battery charging safety.
Choosing the Right Power Adapter in Hong Kong: ...
Sun Cheong Computer explains how to choose the right power adapter in Hong Kong: voltage, current, DC plug sizes, polarity, and lithium battery charging safety.
Indoor TV Antenna Installation in Hong Kong: Co...
Sun Cheong Computer explains indoor TV antenna setup in Hong Kong: connectors, floor placement, amplifiers, and why mainland TVs miss local channels.
Indoor TV Antenna Installation in Hong Kong: Co...
Sun Cheong Computer explains indoor TV antenna setup in Hong Kong: connectors, floor placement, amplifiers, and why mainland TVs miss local channels.