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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Arctic P12 PWM PST 5-Pack
Five 120mm pressure-optimised fans for the price most brands charge for one. Daisy-chain via PST.
Out of stockArctic P12 PST 120mm 5-pack
Five-pack of 120mm PWM static-pressure fans. Budget airflow champion.
22.5W 5-Port Mobile Power Bank Charging Module QC4+PD3.0 Supported
[Lithium Battery Protection Board] The 22.5W 5-Port Bidirectional Fast Charging DIY Motherboard Kit is a compact and powerful charging solution designed for custom power bank projects. It supports advanced QC4+ and PD3.0 fast charging protocols, ensuring efficient and rapid charging for smartphones, tablets, and other USB-powered devices. In addition, the module features five charging ports, allowing multiple devices to charge simultaneously. As a result, it is suitable for portable charging stations, DIY battery packs, and high-capacity power bank applications. Because of its bidirectional fast charging capability, the module not only charges external devices quickly but also supports fast recharging of the connected battery pack. Furthermore, the compact PCB design allows easy installation into custom enclosures and DIY electronics projects. The motherboard kit includes several built-in protection functions such as overvoltage, overcurrent, short-circuit, and temperature protection. Therefore, it provides safer and more reliable charging performance. This DIY charging module is widely used in power banks, portable energy storage systems, backup power solutions, and DIY electronics projects. 🔹 Key Features Supports up to 22.5W fast charging 5 USB charging output ports QC4+ and PD3.0 fast charging support Bidirectional fast charging function Compact and efficient PCB design Multiple protection functions for safety Suitable for DIY power bank projects Stable and reliable charging performance 🔹 Technical Specifications Product Type: DIY Power Bank Charging Motherboard Fast Charging Support: QC4+ / PD3.0 Maximum Output Power: 22.5W Number of Ports: 5 Charging Type: Bidirectional Fast Charging Protection Features: Overvoltage, Overcurrent, Short Circuit, Temperature Protection Application: DIY Power Bank / Portable Charging System Mounting Type: PCB Module 🔹 Applications This charging motherboard kit is suitable for many portable power applications, including: DIY power banks Portable charging stations Battery backup systems Mobile charging projects Portable energy storage systems DIY electronics projects 🔹 Package Includes 1 × 22.5W 5-Port Fast Charging DIY Motherboard Kit
Out of stockA4988 driver Stepper Motor Driver- Good Quality
[Brushed DC motor Driver] Features : Automatic current decay mode detection/choice. Mixed with slow current decay mode. The low power dissipation of synchronous rectifier. Internal UVLO(ultra voltage lockout). Crossover current protection. Thermal shutdown circuit. Ground fault protection. Loading and short circuit protection. The optional five-step mode: full, 1/2, 1/4, 1/8 and 1/16. Package Includes : 1 x A4988 Stepper Motor Driver- Normal quality. 1 x Heat sink.
