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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.

Keychron K2 V2 Wireless
75% layout, hot-swappable mechanical, Bluetooth + USB-C. Mac/Win toggle. The thinking developer's daily driver.

Lenovo IdeaPad Slim 3 (i5-12450H, 16 GB)
15" FHD IPS. Intel Core i5-12450H, 16 GB DDR4, 512 GB SSD. Backlit keyboard. Solid budget productivity laptop.

BenQ DesignVue PD2706U 27-Inch 4K UHD IPS Professional Monitor
[Monitor] BenQ DesignVue PD2706U 27-Inch 4K UHD IPS Professional Designer Monitor Factory-calibrated 4K designer monitor featuring AQCOLOR technology, 95% DCI-P3, 99% sRGB color spaces, Delta E ≤ 2 accuracy, and 90W USB Type-C single-cable connectivity for Mac and PC creatives. ⭐ Key Features - 27-inch 4K UHD (3840 x 2160) IPS panel - AQCOLOR Technology: 95% DCI-P3, 99% sRGB with factory calibration report - 90W USB-C Power Delivery charges your laptop while transmitting 4K video and data - KVM Switch allows controlling two PCs with one keyboard and mouse - DualView function displays designs in two color modes side by side - Hotkey Puck G2 for instant switching of inputs and color presets 📋 Technical Specifications - Resolution: 3840 x 2160 @ 60Hz - Brightness: 350 cd/m² (Peak 400 cd/m² HDR400) - Contrast Ratio: 1200:1 - Connectivity: 1x USB-C (90W PD, DP Alt Mode), 1x DP 1.4, 1x HDMI 2.0, 3x USB 3.2 - Stand: Height, Tilt, Swivel, Pivot 90° adjustment 📦 Package Includes - 1 x BenQ PD2706U Monitor & Ergonomic Stand - 1 x Hotkey Puck G2 Controller - 1 x Individual Factory Calibration Report, Power & USB-C Cables

Logitech G413 SE TKL
Tenkeyless mechanical keyboard with tactile switches and aircraft-grade aluminium top plate. White LED backlight.

Razer BlackWidow V4 Pro
Full-size mechanical with command dial, dedicated media keys, doubleshot ABS keycaps and underglow RGB.
Only 2 leftApple iPad Pro 11" (M4, Wi-Fi, 256 GB)
Tandem OLED display, M4 chip, 256 GB. Pencil Pro and Magic Keyboard sold separately.

Logitech G840 XL Cloth Mouse Pad
900 × 400 × 3 mm. Smooth fabric surface, rubber base. Covers keyboard + mouse area.

Standing Desk Converter (Adjustable)
Sit-stand workstation. Two-tier with separate keyboard tray, supports 15 kg, lifts 10–40 cm.
Out of stockLogitech G213 Prodigy
Membrane gaming keyboard, RGB zones, anti-ghosting. Entry-level.
Out of stockLogitech G512 Carbon Romer-G Tactile
Mechanical keyboard, RGB, aircraft-grade aluminium top.
Out of stockLogitech G PRO X TKL LIGHTSPEED
Wireless tenkeyless gaming keyboard, GX hot-swappable switches.
Out of stockRazer Huntsman Mini 60%
60% optical-mechanical, Razer Linear/Clicky optical switches.
Out of stockCorsair K70 RGB PRO
Mechanical, Cherry MX or OPX switches, AXON 8000Hz polling, PBT keycaps.
Out of stockCorsair K100 AIR WIRELESS
Ultra-thin wireless mechanical, Cherry MX Ultra Low Profile Tactile switches.
Out of stockHyperX Alloy Origins Core (TKL)
Tenkeyless mechanical, HyperX Red/Aqua/Blue switches, aircraft-grade aluminium.
Out of stockKeychron K2 V2 Wireless Mechanical (75%)
75% layout, Bluetooth + USB-C, Gateron switches, RGB. Mac/Windows toggle.
Out of stockKeychron Q1 Pro Wireless QMK/VIA
Premium 75% aluminium board, hot-swap, gasket-mount, QMK/VIA programmable.
Out of stockUSB 2.0 4-Port Hub (Bus-Powered)
Compact bus-powered 4-port USB 2.0 hub for keyboards + mice + peripherals.
Out of stockCompressed Air Duster 400 mL
Non-flammable cleaning spray for keyboards, fans, PCBs.

HC-05 6pin Bluetooth Module with Button
[Bluetooth Module] HC-05 Bluetooth Module Are you in search of an HC-05 Bluetooth Module, a versatile and cost-effective solution for your wireless communication needs? Look no further. This Bluetooth module offers seamless wireless communication for a wide range of applications, from GPS navigation systems to water and electricity meter readings. Whether you're an electronics enthusiast, a DIY hobbyist, or a professional looking for competitive pricing, this module is designed to meet your requirements. The HC-05 Bluetooth Module lets you switch between Master and Slave modes with ease using AT Commands, and it comes pre-configured in Slave Mode. Its compatibility with devices such as phones, laptops, and microcontrollers ensures hassle-free connectivity. With a USART interface, it's a perfect fit for microcontrollers supporting USART communication. Plus, you can configure its settings effortlessly using the command mode. Ideal for DIY projects and data exchange, this Bluetooth module provides LED feedback for seamless operation, giving you the best bang for your buck. Buy the HC-05 Bluetooth Module today and enjoy top-notch wireless communication at a competitive price. The HC-05 Bluetooth Module with Baseplate is a slave-only device. This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules. To connect with other slave devices a master module would be necessary such as the HC-05 module ,which can do both master and slave. The slave mode in HC-05 Bluetooth cannot initiate a connection to another Bluetooth device but can accept connections. Master mode can initiate a connection to other devices. Key Features: Working current: matching for 30 mA, matching the communication for 8 mA. With the computer and Bluetooth adapter, PDA, seamless connection equipment. Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards. Potter default rate of 9600, the user can be set up. Bluetooth protocol: Bluetooth Specification v2.0+EDR Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps. Security: Authentication and encryption. Profiles: Bluetooth serial port. HC-05 Bluetooth Module Pin Diagram: HC-05 Bluetooth Module Pin Description: Pin Number Pin Name Description 1 Enable / Key This pin is used to switch between command mode (set low) and Data Mode (set high). The default setting of this HC 05 Bluetooth module is Data Mode. 2 Vcc This pin can be used to power the Bluetooth module. It has an operating voltage of +5V DC. 3 Ground Connect the module's ground pin to the Microcontroller’s Ground Pin (GND). 4 TX – Transmitter Sends serial data to the MCU. This pin will distribute all Bluetooth data in the form of serial data to the Microcontroller. 5 RX – Receiver Obtain Serial Data. This pin will transmit all serial data that is provided to it over Bluetooth. 6 State The on-board LED attached to the state pin can be used as feedback to see if Bluetooth is functioning properly. 7 LED Indicates the status of Module Blink once in 2 sec: Command Mode Repeated Blink: Waiting for connection in Data Mode Blink twice in 1 sec: Connection successful in Data Mode 8 Button Used to control the Key/Enable pin to switch between Data Mode and command Mode HC-05 Default Values: Bluetooth Name: “HC-05” Password: 1234 or 0000 Communication: Slave Mode: Data Mode Data Mode Baud Rate: 9600, 8, N, 1 Applications Can be used for wireless communication between two microcontroller units. Communicate with Laptop mobile phones etc. Data Logging Wireless Robots DIY Home Automation Projects GPS-based DIY projects. Specifications: Serial communications 9600-115200bps Frequency 2.4~2.524 GHz Power Supply 5VDC Operating Current 30mA Range <100m Dimensions 30mm x 14mm x 2.2 mm Weight 5 grams Package Includes: 1 x HC-05 Bluetooth Module

4×4 Matrix 16 Keypad Keyboard Module 16 Button MCU
[Input Module] This DC 12V 4×4 Matrix Keypad Membrane Switch is high-quality soft touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions. This DC 12V 4×4 Key Matrix Membrane Switch Keypad is a high-quality product at very low cost for your application needs. This 16-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. The Keypad 4×4 features a total of 16 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 8-pin berg connector is require for interfacing it with your microcontroller circuits. Features: Ultra-thin design & adhesive backing provides easy integration to any project Excellent price-performance ratio Easy communication with any microcontroller 5 pins 2.54mm pitch connector,4x 4type 16 keys. Sticker can peel off for adhesive mounting. Used widely in industrial and home electronic equipments, instrument, etc. This allows a microcontroller to scan the 8 output pins to see which of the 16 buttons is being pressed. Package Includes: 1 x 4×4 Matrix Membrane Type Keypad -16 Keys Specifications: Voltage(V) DC 35V Operating Current (A) 0.1 Contact Resistance 500 Insulation Resistance (M) 100 Dielectric Strength 250VRms Length (mm) 165 Width (mm) 70 Height (mm) 1 Weight (gm) 7 * Product Images are shown for illustrative purposes only and may differ from actual product.
Out of stockPro Micro 5V 16M Mini Leonardo Microcontroller Development Board For Arduino
[Arduino Boards] This Pro Micro 5V 16M Mini Leonardo Microcontroller Development Board For Arduino development board has 4 channel 10 bit ADC, 5 PWM pins, 12 DIO, and a hardware serial connection Rx and Tx you are familiar with Running on 16MHz and 5V, this board will remind you a lot of other Arduino compatible boards that you like. There is a voltage regulator on board, so it can accept up to 12V DC. The Micro is a microcontroller board based on the ATmega32U4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a micro USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard. The Micro board is similar to the Arduino Leonardo in that the ATmega32U4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port. If you supply an unstable power supply board, be sure to connect to the “RAW”, not on the VCC pin. It has also added a PTC fuse and diode protection to the power circuit and to correct the RX and LED TX circuits. Features : ATMEGA32U4 running in 5V / 16MHz Support Arduino IDE V1.0.1 Micro USB interface programming on the board Four 10-bit ADC pin 12 digital I / O (5 PWM capability) Rx and Tx hardware serial connection. Pin Diagram: Package Includes : 1 x Pro Micro 5V 16M Mini Leonardo Microcontroller Development Board For Arduino
Out of stockLeonardo R3 Board Micro-USB compatible with Arduino
[Arduino Boards] The Leonardo R3 Board Micro-USB compatible with Arduino is a micro-controller board base on the ATmega32u4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs); a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything need to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started. The Leonardo R3 Board differs from all preceding boards in that the ATmega32u4 has built-in USB communication; eliminating the need for a secondary processor. This allows the Leonardo to appear to a connected computer as a mouse and keyboard; in addition to a virtual (CDC) serial / COM port. It also has other implications for the behavior of the board. Features : It’s a 100% pro micro Arduino Compatible Board. Chip: ATmega32u4 Board Mode: LEONARDO R3 Color: As shown in the pictures Microcontroller: ATmega32u4 Operating Voltage: 5V Input Voltage (Recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 20 PWM Channels: 7 Analog Input Channels: 12 Package Includes : 1 x Leonardo R3 Board

12x12x12mm Tactile Push Button Switch
[Mechanical Switches] The 12×12×12 mm Tactile Push Button Switch is a commonly used momentary input switch widely utilized in electronic circuits and DIY projects. These switches are designed for PCB mounting with through-hole pins, making them easy to solder and integrate into electronic designs. The switch operates in a normally open configuration, meaning the circuit remains disconnected until the button is pressed. When the button is pressed, the contacts close momentarily and complete the circuit, making it ideal for input controls, reset buttons, menu buttons, and control interfaces. Featuring reliable dome contact technology, the switch provides strong tactile feedback, ensuring accurate operation during use. With a high operating force and a long mechanical life of up to 300,000 cycles, this tactile switch offers durability and dependable performance. Its compact and lightweight design makes it suitable for PCBs, breadboards, prototypes, and embedded systems. It is widely used in consumer electronics, telecommunications equipment, computer peripherals, testing instruments, medical devices, and audio/visual equipment. Due to its versatility and reliability, the 12×12mm tactile push button switch is an essential component for engineers, hobbyists, and electronics enthusiasts working on Arduino projects, robotics systems, and custom electronics designs. ⭐ Key Features Standard tactile push button switch Momentary normally-open operation Through-hole PCB mounting Strong tactile feedback High operating force (3.0N – 3.6N) Long mechanical life up to 300,000 cycles Compact and lightweight design Suitable for electronics and DIY projects 🔧 Technical Specifications Switch Type: Tactile Push Button Switch Size: 12 × 12 × 12 mm Mounting Type: Through Hole / PCB Mount Shaft Shape: Round Operation: Momentary (Normally Open) Operating Force: 3.0N – 3.6N Stroke: 1.05 mm Mechanical Life: 300,000 cycles Contact Type: Dome contact technology 🎯 Applications Arduino and microcontroller projects DIY electronics circuits Consumer electronics devices Computer keyboards and peripherals Robotics systems Industrial control boards Testing and instrumentation devices 📦 Package Includes 1 × 12 × 12 × 12 mm Tactile Push Button Switch