CH341A Multi-function USB Programmer: UART, I2C, SPI, TTL

Sun Cheong Computer Company Limited

TXS0108E 8-Channel Bi-Directional Logic Level Converter Module

Top angle view of the non-isolated DC 12V-24V to 5V 10A power module housing.

Sun Cheong Computer Company Limited

DC 12V-24V to 5V 10A Step Down Power Converter Module (50W)

HK$99.00

USB to 4-pin screw connector adapter with male and female USB ports for versatile connectivity

Sun Cheong Computer Company Limited

Solder-Free USB 2.0 Adapter (Male/Female) to 4-Pin Screw Terminal

IRF520 PWM MOS driver module with blue terminals for Arduino and Raspberry Pi, enables PWM dimming for devices.

Sun Cheong Computer Company Limited

IRF520 PWM MOS Driver Module (0-24V) – Arduino/Raspberry Pi

A group photo showing the 2-channel, 4-channel, and 8-channel 12V relay modules on a white background.

Sun Cheong Computer Company Limited

12V Relay Module - 2/4/8 Channel with High/Low Trigger & Optocoupler

SB Components Ltd

USB UART/I2C Debugger

$18.00

Front view of the 9-24V stepper motor controller with speed adjustment knob and terminals.

Sun Cheong Computer Company Limited

9-24V Stepper Motor Controller | Pulse Generator & Speed Governor

HK$29.00

A 40-pin rainbow ribbon of male-to-male Dupont jumper wires, bent into an arch shape on a white background.

Sun Cheong Computer Company Limited

40-Pin Male-to-Male Dupont Jumper Wires for Arduino & Raspberry Pi

Close-up, angled view of two connected 400 tie-point solderless breadboards for electronic prototyping.

Sun Cheong Computer Company Limited

400 Tie-Point Solderless Breadboard for Arduino & DIY Projects

40pin Dupont wire male to female jumper cable ribbon for Arduino and Raspberry Pi prototyping, 20cm/40cm length.

Sun Cheong Computer Company Limited

40-Pin Male to Female Dupont Jumper Wires for Breadboarding

Top view of the HC-USB-T USB to TTL adapter board with white micro-USB cable.

Sun Cheong Computer Company Limited

HC-USB-T USB to TTL Adapter Board | Bluetooth Module AT Command Test

HK$59.00

USB-C female to Micro USB male adapter showcasing its compact design for charging and data-sync.

Sun Cheong Computer Company Limited

USB-C Female to Micro USB Male Adapter | Fast Charging & Data Sync

LM358 Pulse Generator Module with blue potentiometers for adjustable frequency and duty cycle.

Sun Cheong Computer Company Limited

LM358 Square Wave Signal Generator Module (NE555 Upgrade PWM)

6V 2W solar panel with pre-soldered wires, compact size 120x80mm for DIY charging projects and small electronics.

Sun Cheong Computer Company Limited

6V 2W Solar Panel (120x80mm) for DIY Charging Projects

HK$39.00

Top view of TLP281 4-Channel Opto-isolator module showing TLP281-4 IC and pin headers.

Sun Cheong Computer Company Limited

TLP281 4-Channel Opto-isolator Module | Signal Isolation for Arduino

Type-C breadboard power supply module with 5V, 3.3V, and 1.8V outputs for Arduino and Micro:bit projects.

Sun Cheong Computer Company Limited

MB-102 Type-C Breadboard Power Supply Module

USB 5V to 9V Step-Up Converter Cable with 5.5x2.1mm plug for powering 9V devices from USB ports.

Sun Cheong Computer Company Limited

USB 5V to 9V Step-Up Converter Cable (5.5x2.1mm Plug)

3.3V 5V DC-DC Buck Boost Power Module with input range 3-15V for electronic DIY projects.

Sun Cheong Computer Company Limited

S09 DC-DC Automatic Buck Boost Module 3.3V/5V 0.6A (Input 2.5-15V)

HK$12.00

ACS712 30A Hall Effect Current Sensor Module for Arduino projects, showing screw terminals and output pins.

Sun Cheong Computer Company Limited

ACS712 30A Hall Current Sensor Module for Arduino

5-35V 5A 迷你直流馬達 PWM 調速器正面圖，展示黑色旋鈕及藍色接線端子，適合香港創客 DIY 專案。

Sun Cheong Computer Company Limited

5-35V 5A Mini DC Motor Speed Controller | 90W PWM Regulator Module

OpenELAB Technology Ltd.

Hi-Link CH340E USB to TTL Serial Converter Board + Jumper Wires

€130.35

MAX3232 RS232 to TTL module with DB9 connector for Arduino projects and serial communications.

Sun Cheong Computer Company Limited

MAX3232 RS232 to TTL Converter Module DB9 Serial Adapter for Arduino

40-pin female-to-female jumper wires in various colors for breadboard and electronics projects.

Sun Cheong Computer Company Limited

40-Pin Female-to-Female Jumper Wires for Breadboards (20cm/40cm)

830孔無焊麵包板頂視圖，具備紅藍電源軌與清晰座標標示，適合 Arduino、Raspberry Pi 電路原型設計與 STEM 教育使用。

Sun Cheong Computer Company Limited

165x55mm 830-Point Solderless Breadboard for DIY Electronics

0.91 inch OLED Display Module showing front screen and back PCB components with I2C pins.

Sun Cheong Computer Company Limited

0.91" I2C OLED Display Module 128x32 SSD1306 for Arduino (White/Blue)

Sun Cheong Computer Company Limited

L293D Motor Driver Shield for Arduino

240W Type-C to Type-C tester with transparent display for monitoring voltage and current performance.

Sun Cheong Computer Company Limited

240W Type-C to Type-C Tester: Transparent Digital Display

HK$28.00

ZK-4KX adjustable DC-DC buck boost converter module with LCD display and rotary knob.

Sun Cheong Computer Company Limited

DC-DC Buck Boost Converter 0.5-30V 4A | Adjustable Power Supply Module

HK$60.00

Front view of the 5V 12V 18650 battery step-up module PCB.

Sun Cheong Computer Company Limited

18650 Battery Step-Up Module & Type-C UPS Power Supply (5V/12V)

HK$45.00

HW-685 Current to Voltage Module for Arduino with connectors and components for signal conversion.

Sun Cheong Computer Company Limited

HW-685 Current to Voltage Module for Arduino | Signal Converter

MP1584 DC-DC step down module for adjustable power supply, input 4.5V-28V, output 0.8-20V, 3A max, compact size.

Sun Cheong Computer Company Limited

MP1584EN 3A Adjustable DC-DC Step-Down Buck Converter

HK$18.00

A black heavy-duty 18AWG USB to 5.5mm DC barrel jack power cable, coiled on a white background.

Sun Cheong Computer Company Limited

Heavy Duty 18AWG USB to DC 5.5mm x 2.5mm / 2.1mm Power Cable

5V 2A Solar Panel USB Voltage Regulator Module with Protective Case and Screws.

Sun Cheong Computer Company Limited

5V 2A Solar Panel USB Voltage Regulator Module | DC 5V-20V Step-Down

HK$19.00

Top angle view of the PWM to 0-10V voltage converter module showing blue terminal blocks and adjustment potentiometer.

Sun Cheong Computer Company Limited

PWM to 0-10V Voltage Converter Module | Digital to Analog for PLC & MCU

4A DC-DC Boost Converter Module with integrated voltmeter display for voltage regulation in electronic projects.

Sun Cheong Computer Company Limited

4A DC-DC Boost Converter Module with Voltmeter Display

HK$39.00

Nano ESP32 board with headers, USB-C, Wi-Fi, Bluetooth, MicroPython compatible for Arduino projects.

Sun Cheong Computer Company Limited

Arduino Nano ESP32 with Headers – ABX00083 | Wi-Fi, Bluetooth

HK$215.00

Front and back view of the transparent USB 3.2 A to A digital display adapter.

Sun Cheong Computer Company Limited

USB 3.2 A to A Adapter with Digital Power Display - 10Gbps

Raspberry Pi 5 Active Cooler with adjustable speed fan and metal heatsink, designed for efficient cooling.

Sun Cheong Computer Company Limited

Raspberry Pi 5 Active Cooler with Variable-Speed Fan and Heatsink

HK$89.00

Angled view of DC-DC step up converter UPS board with components visible

Sun Cheong Computer Company Limited

Type-C USB 5V UPS Module: 18650 Battery Charger & Step-Up Converter

HK$22.00

Angled side view of the Arduino UNO WiFi Rev 2, focusing on the USB port, DC power jack, and I/O headers.

Sun Cheong Computer Company Limited

Arduino UNO WiFi Rev 2 Development Board with IMU

HK$420.00

ESP32-S3-Zero-M 開發板正面視角，顯示 Type-C 接口及預焊排針。

Sun Cheong Computer Company Limited

ESP32-S3-Zero-M Mini Development Board with Pre-Soldered Headers

Type-C female to female adapter for USB-C charging and data sync, portable and easy to connect.

Sun Cheong Computer Company Limited

USB-C Female to Female Adapter | 100W Fast Charge & 10Gbps Data

HK$12.00

MC4 Solar Connectors disassembled showing tinned copper pins

Sun Cheong Computer Company Limited

MC4 Solar Connector Male & Female Pair Kit

HK$8.00

Sun Cheong Computer Company Limited

TIANWEI 12V 1.3Ah Rechargeable Lead Acid Battery

HK$55.00

Sun Cheong Computer Company Limited

DC 5V–36V Electronic Pulse Trigger Switch Control Panel – MOSFET Driver Module

BTS7960 43A High Power Motor Driver Module top view with heat sink

Sun Cheong Computer Company Limited

BTS7960 43A High-Power Motor Driver Module (H-Bridge) | 5.5V-27V

USB-to-DC 4.0x1.7 mm charging cable for PSP and other electronics, featuring USB-A and barrel-jack connectors.

Sun Cheong Computer Company Limited

USB to DC 4.0x1.7mm Charging Cable | 5V Power Cord for PSP & Tablets

2-Channel DC 5V Relay Module with Optocoupler for Arduino and Raspberry Pi projects

Sun Cheong Computer Company Limited

2-Channel DC 5V Relay Module with Optocoupler for Arduino & Pi

Collection of 5V relay modules showcasing 4, 8, and 16-channel options for controlling appliances and high-current loads.

Sun Cheong Computer Company Limited

5V Relay Module Expansion Board (4, 8, 16 Channel) for Arduino & IoT

Sun Cheong Computer Company Limited

Red Black 2x0.5mm² Speaker Wire - 99.99% OFC Copper (1m/5m)

HK$6.00

Front view of 1.9 inch TFT LCD showing 170x320 color display.

Sun Cheong Computer Company Limited

1.9" IPS TFT LCD Display Module ST7789 Driver 170x320 SPI Interface

HK$65.00

USB 3.2 Type-C to USB Adapter OTG 100W with 90° angle connector for charging and data transfer

Sun Cheong Computer Company Limited

2-in-1 USB-C to USB 3.2 OTG Adapter with 100W PD Fast Charging

HK$29.00

MB-102 麵包板電源模組，支援 3.3V 及 5V 雙路輸出，DC 6.5-12V 輸入，適用於 Arduino STEM 電子實驗。

Sun Cheong Computer Company Limited

MB-102 Breadboard Power Supply Module - 3.3V/5V (6.5-12V Input)

PWM DC Motor Drive Module for controlling DC motors with dual H-bridge setup, suitable for robotics and toy cars.

Sun Cheong Computer Company Limited

Mini Dual DC Motor Driver Module with PWM & H-Bridge

ESP32-CAM development board shown with the OV2640 camera module connected, ready for an IoT project.

Sun Cheong Computer Company Limited

ESP32-CAM WiFi & Bluetooth Development Board with OV2640 Camera

HK$78.00

65pcs jumper cable wire kit, flexible male-to-male wires for breadboard and electronic DIY projects.

Sun Cheong Computer Company Limited

65Pcs Assorted Breadboard Jumper Wires Kit (Male to Male)

Micro USB Female to Type-C Male Adapter for universal charging and data sync with compact design.

Sun Cheong Computer Company Limited

Micro USB Female to Type-C Male Adapter – Charging & Data Sync

Angled view of the 3.7V Li-ion MPPT solar power manager board with battery holder and USB-A output port.

Sun Cheong Computer Company Limited

MPPT Solar Power Management Module (6V-24V) - 3.7V Li-ion Charger

HK$120.00

Exclusive offer available

ShillehTek

CP2102 USB to TTL UART Serial Converter Module 6-Pin for Arduino, ESP32 & ESP8266

(1)

$6.99

Angled view of the Nano V3.0 ATmega328P development board with USB-C connector, shown with included sets of unsoldered header pins.

Sun Cheong Computer Company Limited

Nano V3.0 Dev Board w/ ATmega328P, CH340 & USB-C (Headers Unsoldered)

HK$45.00

Nano V3.0 ATmega328P microcontroller board with CH340G USB for electronics projects.

Sun Cheong Computer Company Limited

Nano V3.0 ATmega328P Microcontroller Board with CH340G USB - 5V

HK$65.00

UK Plug 5V 2A Power Supply Adapter with cable, ideal for charging various electronic devices.

Sun Cheong Computer Company Limited

UK Plug 5V 2A Power Supply Adapter | 5.5mm x 2.1mm

(1)

Angled view of the 400W 15A MOS FET PWM control module with blue screw terminals for power and load.

Sun Cheong Computer Company Limited

400W 15A MOS FET Trigger Switch Drive Module | PWM Control 5V-36V

Front view of the blue LM2596 DC-DC adjustable step-down module showing the LED voltmeter and terminal blocks.

Sun Cheong Computer Company Limited

LM2596 DC-DC Adjustable Step-Down Module with LED Voltmeter (3A)

Z-TEK ZY099 RS232 to TTL 5V Universal Serial Port Converter with connectors and accessories.

Sun Cheong Computer Company Limited

Z-TEK ZY099 RS232 to TTL (5V) Converter | Driver-Free Serial Adapter

Top-down view of the Arduino Mega 2560 Rev3 microcontroller board, showing the ATmega2560 chip, I/O pins, and USB port.

Sun Cheong Computer Company Limited

Arduino Mega 2560 Rev3 Development Board

HK$359.00

5pcs of L7805CV three-terminal regulators, 1.5A, 5V, ideal for power supply projects and circuit design.

Sun Cheong Computer Company Limited

5pcs L7805CV 7805 5V 1.5A Linear Voltage Regulator for Arduino

50-piece photoresistor LDR kit package for Arduino including GL5506 to GL5539 models.

Sun Cheong Computer Company Limited

50pc Photoresistor LDR Kit for Arduino - GL5506 to GL5539

Raspberry Pi 5 Model B 4GB/8GB single-board computer featuring quad-core CPU and multiple connectivity options.

Sun Cheong Computer Company Limited

Raspberry Pi 5 Model B (1GB/4GB/8GB/16GB) | 2.4GHz Quad-Core SBC

HK$580.00

Front view of the Energen 12V 32Ah LiFePO4 deep cycle battery, showing the green Lithium Iron Phosphate label and brass terminals.

Sun Cheong Computer Company Limited

Energen 12V 32Ah LiFePO4 Deep Cycle Battery | Lithium Iron Phosphate

HK$520.00

Type-C PD decoy module with female input for fixed voltage power trigger, ideal for fast charging.

Sun Cheong Computer Company Limited

Type-C PD 12V 5A Decoy Trigger Module | Power Supply Adapter Board

USB 5V to 12V DC Step-Up Voltage Converter Cable for powering 12V devices from USB ports.

Sun Cheong Computer Company Limited

USB 5V to 12V DC Step-Up Voltage Converter Cable (5.5mm x 2.1mm)

LiitoKala 9V USB-C rechargeable battery, 1100mAh capacity, designed for long-lasting and reliable power.

Sun Cheong Computer Company Limited

LiitoKala 9V USB-C Rechargeable Li-ion Battery (1100mAh)

HK$48.00

Mini DC-DC step-up and step-down converter for Arduino, 1.8V to 5V power module.

Sun Cheong Computer Company Limited

Mini 3.3V Step-Down & Step-Up DC-DC Converter Module 1.8V-5V

High-efficiency DC to DC buck converter module with dual USB outputs for powering devices.

Sun Cheong Computer Company Limited

High-Efficiency DC 9-36V to 5V 3A Dual USB Buck Converter Module

Sun Cheong Computer Company Limited

Samsung 45W USB-C Super Fast Charging Adapter (UK Plug)

HK$65.00

S09 DC-DC Automatic Buck-Boost Power Module angled view showing inductors and components

Sun Cheong Computer Company Limited

DC-DC Auto Buck-Boost Converter Module (3.3V / 5V Output)

HK$12.00

ADS1115 16-bit ADC module with headers for easy connection to microcontrollers like Arduino

Sun Cheong Computer Company Limited

16-Bit I2C ADS1115 ADC Module - 4-Ch Analog to Digital Converter

HK$49.00

5A DC-DC 升壓模組 ZK-S5X，配備 LCD 顯示屏，支援 9V-45V 升至 11V-50V 電壓轉換。

Sun Cheong Computer Company Limited

5A Boost Converter with LCD | DC 9V-45V to 11V-50V Step-Up Module

Angled view of Arduino Nano I/O expansion shield showing yellow headers and DC power jack.

Sun Cheong Computer Company Limited

Arduino Nano I/O Expansion Shield V3.0 - Sensor & Servo Breakout Board

Arduino UNO R3 expansion board with mini solderless breadboard for prototyping projects.

Sun Cheong Computer Company Limited

Arduino UNO R3 Prototype Shield with Mini Breadboard

Top view of the original Arduino Uno R3 development board showing the ATmega328P chip.

Sun Cheong Computer Company Limited

Original Arduino Uno R3 Microcontroller Board with Clear Case

HK$179.00

Side angle view of Micro:bit motor shield showing terminal blocks and edge connector.

Sun Cheong Computer Company Limited

Keyes TB6612FNG Motor Driver Expansion Board for Micro:bit (1.2A)

ESP32-CAM-MB CH340 USB module for programming ESP32-CAM with micro USB interface.

Sun Cheong Computer Company Limited

ESP32-CAM-MB CH340 Micro USB Programmer Board for ESP32-CAM