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

Unsoldered Nano V3.0 ATmega328P 5V 16MHz CH340 Type-C
[Arduino Boards] This Arduino-compatible Nano V3.0 micro-controller is a small, complete, micro-controller board based on the ATmega328 MCU. It has more or less the same functionality as the Arduino Duemilanove, but in a smaller package. It lacks only a DC power jack, and uses the more compact Mini USB (Mini-B) connector instead of a standard USB connector. It is compatible with Arduino programs and the Arduino IDE. This version of the Nano uses the CH340G USB interface controller. It can be powered via the Mini-B USB connection, a 6-20V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source. Features: CH340G USB bus converter chip replaces FT232RL Operating Voltage(logic level): 5V 8 analog inputs ports: A0 – A7 14 Digital input / output ports: TX, RX, D2 – D13 6 PWM ports: D3, D5, D6, D9, D10, D11 1 pair of TTL level serial transceiver ports: RX / TX Uses Atmel Atmega328P-AU MCU with bootloader installed Support USB download and Power over Mini-B Mini USB connector Recommended input voltage: 7V – 12V DC on pin 30 or 5V on pin 27 Maximum input voltage limits: 6V – 20V Supports ISP download Supplied with connector pins (headers), not soldered to the board for user flexibility Package Includes: 1 X Nano V3.0 16MHz CH340
Out of stockESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino
[ESP Modules] This is ESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino. This small WIFI transceiver is the perfect solution for home Automation and IoT applications. It can be the replacement of your NRF24L01, it can talk to your WIFI router directly through the UART MCU’s (Rx, Tx). The ESP-12 module is one of the most complete of the ESP family as it allows you to use the biggest amount of pins of all of them. You can program this module to work stand alone with the Arduino IDE or with LUA as NodeMCU. The system is equipped with ESP8266 manifested leading features are: energy saving VoIP quickly switch between the sleep/wake patterns, with low-power operation adaptive radio bias, front-end signal processing functions. The ESP8266-03 is one of the smallest versions of this module. It includes a built-in ceramic antenna. Features : WS2812 Led on board. 802.11 b/g/n Wi-Fi Direct (P2P), soft-AP Integrated TCP/IP protocol stack Integrated TR switch, balun, LNA, power amplifier and matching network Integrated PLL, regulators, DCXO and power management units +19.5dBm output power in 802.11b mode Power down leakage current of <10uA Integrated low power 32-bit CPU could be used as an application processor SDIO 1.1 / 2.0, SPI, UART STBC, 1×1 MIMO, 2×1 MIMO A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) Access Point and Station Modes. Package Includes : 1 x ESP-12E: ESP8266 Serial Port WIFI Wireless Transceiver Module For Arduino
Out of stockESP-12F ESP8266 Wifi Wireless IoT Board Module
[ESP Modules] The ESP-12F ESP8266 WiFi Module is a powerful and low-cost WiFi transceiver module designed for Internet of Things (IoT) applications. Built around the ESP8266 SoC, this module integrates a full TCP/IP protocol stack, enabling microcontrollers to connect directly to WiFi networks. With its integrated 32-bit RISC processor, on-chip memory, and multiple communication interfaces, the ESP-12F module can either host an application independently or act as a WiFi adapter for another microcontroller such as Arduino, Raspberry Pi, or STM32. Each module is typically shipped with AT command firmware, allowing easy communication through UART serial interface. This means developers can quickly add WiFi functionality to existing hardware without complex programming. The ESP-12F version improves performance compared to earlier modules by offering: Stronger WiFi signal output Improved anti-interference capability Optimized PCB antenna design Better impedance matching The module supports station mode, soft-AP mode, and combined AP + station mode, making it highly versatile for IoT networking. Because of its high integration, small size, and low power consumption, the ESP-12F module is widely used in: IoT devices Home automation systems Smart appliances Wireless sensor networks Industrial monitoring systems ⭐ Key Features Based on ESP8266 SoC Built-in TCP/IP protocol stack Integrated 2.4GHz WiFi Supports Station / SoftAP / Station + AP modes Pre-programmed AT command firmware Compact SMD design Strong PCB antenna Low power consumption Multiple communication interfaces 🔧 Technical Specifications Model: ESP-12F Chipset: ESP8266 WiFi Standard: IEEE 802.11 b/g/n Frequency: 2.4 GHz Operating Voltage: 3.3V Maximum Current: ~240mA Standby Power: < 1mW Interface: UART / SPI / SDIO Baud Rate: 115200 (default) Communication Format: 8N1 Security: WPA / WPA2 Package Type: 32-Pin QFN Output Power: +19.5 dBm 📡 Supported Interfaces UART SPI SDIO 1.1 / 2.0 I2S (audio interface) Multiple GPIO pins 🎯 Applications IoT projects Smart home automation Wireless sensor networks Arduino WiFi connectivity Remote monitoring systems Industrial IoT applications 📦 Package Includes 1 × ESP-12F ESP8266 WiFi Module

Pro Mini ATMEGA328P 3.3V/8M
[Arduino Boards] This is Pro Mini ATMEGA328P 3.3V/8MHz is a 3.3V Arduino running the 8MHz bootloader. Pro Mini ATMEGA328P come with connectors so that you can solder connector or wire with any orientation you need. It’s a great board that will get you up and running quickly. The Arduino Pro series is meant for users that understand the limitations of system voltage (3.3V), lack of connectors, and USB off board. The Pro Mini is a microcontroller board base on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable to provide USB power and communication to the board. The Pro Mini is intended for semi-permanent installation in objects or exhibitions. The board comes with headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with the Mini Arduino. Features : 8 analog input port: A0 ~ A7. A pair of TTL level serial port transceiver : RX / TX. 6 PWM port: D3, D5, D6, D9, D10, D11. Use For Atmel Atmega328P-AU microcontroller. Support serial download. Support 9V battery. Package Includes : 1 x Pro Mini ATMEGA328P 3.3V/8M (Official Version) 3 x Male Header connector.

Nano Board R3 with CH340 chip without USB Cable compatible with Arduino (Unsoldered)
[Arduino Boards] The Nano Board R3 with CH340 chip without USB Cable chipboard is based on the famous Arduino platform and does all the functions of Uno, but with a smaller footprint. The Nano Board R3 with CH340 chip without USB Cable is vital for your small project where you don’t need much of a pin-outs but the small size is very important to make it look good. This Nano equips a low-cost USB-Serial Chip that makes it less in price than Nano with FTDI USB-Serial Chip used on older versions of Arduino Nano. The Nano Arduino is a small, complete, and breadboard-friendly board based on the ATmega328 (Nano R3). It has more or less the same functionality of the Uno but in a different package. It lacks only a DC power jack and works with a Mini-B USB cable instead of a standard one. The Nano can be power via the mini-USB connection, 6-20V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source. The size of Nano V3.0 with CH340 Chip is only 43 mm x 18 mm; it comes with 6 PWM I/O from the total of 14 digitals I/O, 8 analog inputs, 16Mhz clock speed and 32kB of flash memory. Note:- CH340 chip might not work directly with some PC/Laptop, you will need some ch340 drivers. This board comes with OLD BOOTLOADER buy it accordingly Features : 1 pair of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is a bootloader installed in it Support USB download and Power Support for external 5V ~ 12V DC power supply It Supports power supply by 9V battery Support ISP download Automatic reset during program download. Power OK blue LED on the bottom. Green (TX), red (RX) and orange (L) LED. +5V to AREF jumper. Auto-sensing/switching power input. Small mini-B USB for programming and serial monitor. ICSP header for direct program download. Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch. Package Includes : 1 x Nano Board R3 with CH340 chip without USB Cable compatible with Arduino (Unsoldered)

ESP-01 ESP8266 Serial WIFI Wireless Transceiver Module
[ESP Modules] The ESP 01 ESP8266 Serial WIFI Wireless Transceiver Module is a self-contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP8266 module is an extremely cost-effective board with a huge, and ever-growing, community. This module has a powerful enough on-board processing and storage capability that allows it to be integrated with the sensors and other application-specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, including the front-end module, which is designed to occupy minimal PCB area. The ESP8266 supports APSD for VoIP applications and Bluetooth co-existence interfaces, it contains a self-calibrated RF allowing it to work under all operating conditions and requires no external RF parts. There is an almost limitless fountain of information available for the ESP8266, all of which has been provided by amazing community support. In the useful links section below you will find many resources to aid you in using the ESP8266, even instructions on how to transforming this module into an IoT (Internet of Things) solution! Note: The ESP8266 Module is not capable of 5-3V logic shifting and will require an external Logic Level Converter. Please do not power it directly from your 5V dev board. This new version of the ESP8266 WiFi Module has increased the flash disk size from 512k to 1MB. Features : Wi-Fi Direct (P2P), soft-AP Integrated TCP/IP protocol stack It features an integrated TR switch, balun, LNA, power amplifier and matching network Equips integrated PLL, regulators, DCXO and power management units Integrated low power 32-bit CPU could be used as an application processor SDIO 1.1 / 2.0, SPI, UART STBC, 1×1 MIMO, 2×1 MIMO A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) Package Includes : 1 x ESP-01 ESP8266 Serial WIFI Wireless Transceiver Module