Power & Relay
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ZMPT101B AC Voltage Sensor Module for Arduino (0-250V AC)
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
Voltage to PWM Converter Module | 0-10V to 0-100% PWM (50kHz)
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
PWM to 0-10V Voltage Converter Module | Digital to Analog for PLC & MCU
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
USB-C Power Cable w/ On/Off Switch - 1 Meter (5V 3A)
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
DC 0-25V Voltage Sensor Module (Resistive Divider) for Arduino
Regular price $43.00 TWDRegular priceSale price $43.00 TWD -
1-8S Lipo Battery Voltage Tester & Low Voltage Buzzer Alarm
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
MPPT Solar Power Management Module (6V-24V) - 3.7V Li-ion Charger
Regular price $507.00 TWDRegular priceSale price $507.00 TWD -
5pcs L7805CV 7805 5V 1.5A Linear Voltage Regulator for Arduino
Regular price $106.00 TWDRegular priceSale price $106.00 TWD -
S09 DC-DC Automatic Buck Boost Module 3.3V/5V 0.6A (Input 2.5-15V)
Regular price $51.00 TWDRegular priceSale price $51.00 TWD -
Mini DC-DC 1-5V to 5V Step-Up Boost Power Module
Regular price $51.00 TWDRegular priceSale price $51.00 TWD -
5A CC/CV Adjustable Step-Down Buck Converter Module with LED Display
Regular price $233.00 TWDRegular priceSale price $233.00 TWD -
DC-005 5.5x2.1mm Power Jack Adapter Board Module for Arduino DIY
Regular price $22.00 TWDRegular priceSale price $22.00 TWD -
7.4V Dual 18650 Battery Case with 2.1mm DC Plug - Power Bank & DIY
Regular price $51.00 TWDRegular priceSale price $51.00 TWD -
DC 12V-24V to 5V 10A Step Down Power Converter Module (50W)
Regular price $418.00 TWDRegular priceSale price $418.00 TWD -
9V 3A Power Adapter (UK/HK Plug) | 5.5mm x 2.1mm DC Connector
Regular price $250.00 TWDRegular priceSale price $250.00 TWD -
Multi-Voltage 2-Channel Solid State Relay Module for Arduino & More
Regular price $85.00 TWDRegular priceSale price $85.00 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.