Power & Relay
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5V Relay Module Expansion Board (4, 8, 16 Channel) for Arduino & IoT
Regular price From $104.00 TWDRegular priceSale price From $104.00 TWD -
4000mAh 18650 Battery Pack | 5V Output with Type-C Male/Female
Regular price $245.00 TWDRegular priceSale price $245.00 TWD -
DIY USB Type-A to Bare Wire Cable (1m) | 24AWG 2-Core Power Pigtail
Regular price $34.00 TWDRegular priceSale price $34.00 TWD -
12V Mini UPS Dual Power Switch Module | Auto Transfer Relay
Regular price $79.00 TWDRegular priceSale price $79.00 TWD -
5V / 12V Photoresistor Relay Module | Light Sensor Switch Board
Regular price $104.00 TWDRegular priceSale price $104.00 TWD -
5V Photoresistor Relay Module | DIY Light Sensor Switch
Regular price $63.00 TWDRegular priceSale price $63.00 TWD -
1/2" DC Water Flow Generator | 5V/12V Micro Hydro Turbine
Regular price $369.00 TWDRegular priceSale price $369.00 TWD -
5V 1A AC/DC Power Adapter (UK Plug) | 5.5x2.1mm 5W Wall Charger
Regular price $125.00 TWDRegular priceSale price $125.00 TWD -
5V 3A AC/DC Power Adapter (UK Plug) | 5.5x2.1mm 15W Wall Charger
Regular price $187.00 TWDRegular priceSale price $187.00 TWD -
TXB0104 4-Bit Bidirectional Voltage Level Translator Module | WCMCU-401
Regular price $100.00 TWDRegular priceSale price $100.00 TWD -
Adjustable 3-24V 5A Power Supply Adapter | 5.5x2.1mm DC Plug
Regular price $476.00 TWDRegular priceSale price $476.00 TWD -
Universal Adjustable DC Power Adapter 3V-36V 3A with Digital Voltage Display
Regular price $476.00 TWDRegular priceSale price $476.00 TWD -
DC-DC Buck Boost Converter 0.5-30V 4A | Adjustable Power Supply Module
Regular price $249.00 TWDRegular priceSale price $249.00 TWD -
Type-C PD/QC Decoy Board: 5A USB Fast Charge Voltage Trigger Module
Regular price $63.00 TWDRegular priceSale price $63.00 TWD -
FNIRSI DPS-150 Mini Programmable DC Power Supply (30V 5A 150W)
Regular price $1,647.00 TWDRegular priceSale price $1,647.00 TWD -
12V 4A Power Adapter UK Plug | 5.5x2.1mm DC Power Supply
Regular price $393.00 TWDRegular priceSale price $393.00 TWD
Collection: Power & Relay
Reliable Power Supply & Relay Modules for Electronic Projects
Explore our comprehensive range of power management and control components designed for STEM education, DIY electronics, and professional engineering applications. From stable voltage regulation to safe battery storage, we provide the essential hardware to keep your circuits running efficiently and securely.
Key Components for Your Circuit
- DC-DC Converters & Voltage Regulators: Efficient step-down (buck) and step-up (boost) modules for precise voltage control in complex setups.
- Relay Modules: Securely control high-voltage appliances using low-power microcontroller signals, perfectly compatible with Arduino and ESP32.
- Battery Solutions: A wide selection of 18650 LiPo batteries, safe BMS protection boards, and durable battery holders for portable power needs.
- Power Adapters: Stable AC to DC power supplies ensuring continuous and reliable device operation.
How to Choose the Right Power Component?
- Voltage Requirements: Ensure your step-down/step-up modules match the exact input and output voltage of your specific motherboard and peripherals.
- Current Rating (Amperage): Select power adapters and relays that can easily handle the maximum current load of your project to prevent overheating.
- Safety Features: When working with portable power, always opt for battery chargers and BMS modules with built-in overcharge and short-circuit protection.