GEEEKUS

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US$18.15

The Arduino Uno is a microcontroller board based on the ATmega328 Chip. It features 14 digital input/output pins which six of can be used as a PWM output, along with six analog inputs, a 16 MHz low profile crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed 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.

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US$40.90
The geeekus Mega 2560 R3 is a solid microcontroller board based on the ATMEGA2560-16AU, fully compatible with ARDUINO MEGA 2560 REV3.
It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, 2 ICSP headers, and a reset button. The USB cable is also included. The geeekus MEGA 2560 has yellow text on a black board, which makes identifying pinsets easier on the eyes.
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US$17.97
If you're interested in making your project connect to the web and be part of the grander scheme of IOT (Internet of Things) then this board is the gadget for you! Like other microcontrollers and microprocessors, the ESP32 now has built in power regulation circuits, on board antennas and noise filters and fits snuggly onto a breadboard for rapid prototyping. The ESP32 can interface with other MCUs as master or slave or function completely standalone through SPI/SDIO, I2C and UART. The microcontroller can also support an SD card and multiple sensors .
The geeekus ESP32-WROOM-32 is a solid development board with original parts and yellow text on a black board, which makes identifying pinsets easier on the eyes.
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US$9.05
The geeekus L298N Dual Motor Driver allows full control of two DC Motors or one stepper-motor. Coupling the L298N H-Bridge with our geeekus Arduino UNO will give you the ability to control both the speed and rotation direction of two DC motors.
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US$13.42
This is a 4 channel relay module which can be used to activate up to 250V AC and 30V DC from a signal coming from a microntroller source like an arduino, raspberry pi, avr, etc., allowing you to switch up to four devices.
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US$8.14
The geeekus DHT11 temperature and humidity sensor is a low-cost and easy-to-use device for measuring ambient temperature and humidity levels by connecting it to a microcontroller.
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US$9.05
Since it's very inconvenient to use all the GPIO pins on the board with only alligator clips, this breadboard compatible GPIO breakout board allows you to expand all the pins on the micro:bit. Simply insert your micro:bit firmly into the connector and plug the shield directly into your breadboard.
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US$5.41
The geeekus 4 Digit Digital Tube 7 Segment LED Display Module with TM1637 Driver and Clock Display,colon and serial interface, is ideal to build a small...
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US$4.50
The geeekus pre-assembled Breadboard Voltage Regulator Power Supply Module takes a supply voltage of 6-12VDC and outputs a selectable 5V or 3.3V regulated voltage.
All headers are standard 0.1" pitch for insertion into a breadboard.It can be powered from a 6-12VDC power adapter with a 2.1mm jack (we recommend our DC-9100-CUL:9VDC, 1A, 5.5×2.1mm Barrel Jack, Center-Positive, UL), or from a USB power connector. The breadboard power rails are supplied with a selectable 3.3/5 Volts on the top side and a constant 5 Volts on the bottom side.The maximum current it can provide is 500mA.
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US$4.50
The geeekus Joystick Module is widely used in gaming, robot control, drone control, arduino projects, micro:bit and raspberry pi projects.
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US$9.05
The geeekus 0.96'' OLED Display is an OLED monochrome 128×64 dot matrix display with I2C Interface, with characteristics of high brightness, self-emission, high contrast ratio, slim outline, wide viewing angle, wide temperature range, and low power consumption. The driver chip SSD1306 communicates via I2C only. It is compatible with any 3.3v-5V microcontroller, such as the Arduino.
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US$6.14

The geeekus MQ-2 Gas Vapor Sensor module is useful for gas leakage detection for home and industry. It is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurement can be taken as soon as possible. The sensitivity of the sensor can be adjusted by potentiometer.

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US$5.32

The geeekus PIR (passive infrared motion) Pyroelectric micro sensor is designed to work with Arduino, Raspberry Pi, micro:bit and almost any other microcontroller. This geeekus sensor is based on the AM312, which also works on 3.3V and not just on 5V (like HC-SR501) which makes it perfect for ESP8266 devices without a 5V line. It is also less prone to false triggers due to Wi-Fi interference.

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US$4.32

The geeekus Sound Sensor module is designed for measuring sound signals like voice, claps, snaps and knocks in your surroundings. It works through sound vibrations, which cause a plate inside the sensor to bend back and forth, producing a change in voltage that can be measured. Larger vibrations means higher values.

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US$6.32

The geeekus 1-channel solid state relay module board can be controlled by a wide range of microcontrollers such as Arduino, Raspberry Pi, AVR, PIC, ARM, PLC and etc.

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