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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
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Only 1 leftIOT Smarthome Kit
MCU: ESP8266/ESP32. Modules: 1–4 channel relay (optocoupled preferred), PIR, LDR, DHT. Control: app/web dashboard. Protocols: MQTT/HTTP. Power: 5V input. Proper

HLK-5M05 Hi-Link 5V 5W AC to DC Power Supply Module Isolated SMPS PCB Mount
[AC DC Power Supply Module] The HLK-5M05 Hi-Link 5V 5W AC to DC Power Supply Module is a compact isolated switching power supply designed for converting high-vo
Out of stock0.28 inch DC 100V 100A LED Digital Ammeter-Voltmeter With Shunt
[Ammeter and Voltmeter] This is 0.28 inch DC 100V 100A LED Digital Ammeter–Voltmeter With Shunt. This meter will measure up to 100 VDC with a 0.1-volt resolutio
Out of stockHi Link HLK 5M05 5V/5W Switch Power Supply Module
[Power Supply] HLK-5M05 5V/5W Switch Power Supply Module is plastic enclosed PCB mounted isolated switching step-down power supply module. It can supply 5V DC f

250W High Power Constant voltage Current Adjustable Aluminum Substrate LED Driver Module
[Step UP Buck Converter] The 250W High Power DC-DC Boost Converter with Constant Voltage & Constant Current Control is a versatile and efficient power module de

USB QC3.0 QC2.0 DC to DC Buck Converter Charging Module Fast Quick Charger
[Step Down Buck Converter] This module accepts a 6-24V Input and supports USB QC3 Charging on the output. It takes care of regulating the signals on the USB Dat
Out of stock12V 6 Channel with Light Coupling Relay Module
[Relay Module] This 6 Road/Channel Relay Module (with light coupling) 12V module meets the safety standard as control areas and load area have the isolation gro

4 Channel Isolated 5V 10A Relay Module opto coupler For Arduino PIC AVR DSP ARM
[Relay Module] The 4 Channel Isolated 5V Relay Module is a reliable switching interface that enables low-voltage microcontrollers to safely control high-voltage
Out of stock5V 6 Channel Low Level Relay Module with Light Coupling
[Relay Module] It is a 5V 6 Channel Low-Level Relay Module with Light Coupling. The relay normally open interface maximum load: AC 250V/10A, DC 30V/10A. With op

