GEEEKUS

US$16.24
GK-EK-51 is a Christmas tree soldering practice kit. The tree is composed of three PCBs: Two sides of a spruce tree and the snow beneath. The RGB LEDs are pre-programmed to flash a pattern with a tiny MCU inside each, hence the lack of MCUs in this kit. Through careful handling, the capacitors, transistors and LEDs are capable of bending up to 90 degrees.
Delivery within 2-3 weeks
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US$4.32

Half Size Breadboard/Protoboard 400 Silver Plated Pads – Double Sided 1 Oz Copper

This protoboard is based on the ABRA-6 breadboard. If you have any projects that you wish to transfer onto a breadboard but worry on how to connect them, then this board simply does that conversion for you. The end user simply connects what they have on the breadboard to this protoboard and solder away.

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US$2.68
This is a very simple breakout board for the Registered Jack-45.
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US$12.51
An ABRA dice kit including a PCB and its components to solder.
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US$50.00
The Waveshare Raspberry Pi Pico Basic kit contains all the components necessary to complete the exercices in the Official Raspberry Pi Pico Book-Get Started with MicroPython on Raspberry Pi Pico.
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US$6.29
Full Size Breadboard/Protoboard 830 HASL Plated – Double Sided 1 Oz Copper This Protoboard has the same pattern and spacing as a standard 830 connection...
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US$9.05
Simply hold the push button and watch the LEDs start spinning on this geeekus DIY LED Flashing Wheel of fortune Kit. This geeekus DIY LED Flashing Wheel...
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US$13.42

The geeekus GK-HEART-AD8232 is an Electrocardiogram (ECG) heart measurement sensor module monitor kit that will allow you to measure the electrical activity of the heart in real time with the use of sensor pads, Arduino UNO (not included), and the AD8232 breakout board.

The AD8232 is an integrated signal conditioning block for ECG and other biopotential measurement applications. It is designed to extract, amplify, and filter small biopotential signals in the presence of noisy conditions, such as those created by motion or remote electrode placement.

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US$4.99
The geeekus 90 degeree 9G servo motor comes with a set of 4 horns (unlike similar SG90 servos which come with 3) and is excellent for students, hobbyists or educators who want to make stuff move.
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US$6.32

The geeekus A4988 Stepper Motor Driver is an ideal solution for building applications that require precise and reliable stepper motor control, such as the movement control of beds, heads, and assemblies in various CNC plotting, milling, 3D printer designs, etc. 
If your project calls for single-stepper-motor applications, a driver like the L298N is acceptable.If you want to build your own CNC machine or 3D printer, you’ll need a dedicated stepper motor driver like the A4988.

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US$15.42
The geeekus Arduino Pro Micro is an Arduino compatible microcontroller board that is based on the ATmega32u4. This board comes with everything you need to get started: 2 male header strips and a cable to connect to your computer. The geeekus Arduino Pro Micro has 18 digital input/output pins (of which 5 can be used as PWM output), 9 analog input, a 16 MHz crystal oscillator and a micro USB port. Its working voltage is 5V and power is supplied via a micro USB cable and port RAW GND (DC 7-9V).
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US$14.51
You can use this module to communicate between two microcontrollers like Arduino or communicate with any device with Bluetooth functionality like a Phone or Laptop. There are many android applications that are already available which makes this process a lot easier. The module communicates with the help of USART at 9600 baud rate hence it is easy to interface with any microcontroller that supports USART. The default values of the module can be configured by using the command mode. So if you looking for a Wireless module that could transfer data from your computer or mobile phone to microcontroller or vice versa then this module might be the right choice for you. However do not expect this module to transfer multimedia like photos or songs.
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US$4.96

This Infrared IR Wireless Remote Control Kit for Arduino consists of a infrared remote control with 17 function keys and a 38KHz infrared receiver module, with the capabiltiy to transmit distances of up to 5-8 meters.

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US$3.59

The geeekus ULN2003 stepper motor driver board is a high quality compact module which allows you to control the 28BYJ-48 stepper motor. Because the 28BYJ-48 stepper motor consumes a significant amount of power, it cannot be controlled directly by a microcontroller like the Arduino. To control the motor, a driver IC such as the ULN2003 is required.

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US$5.41

The geeekus DS1302 real time clock module is high quality RTC module with high accuracy that provides seconds, minutes, hours, day, date, month, and year information.

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US$3.59
The geeekus Soil Moisture Sensor can read the amount of moisture present in the soil making it an excellent tool for your connected garden.
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US$3.59

The geeekus Water Level Droplet Rainfall Sensor Detection Module is a high-quality sensor for Arduino, Raspberry Pi, micro:bit and most other 5V microcontrollers. This Water Level Sensor has many uses like  measuring the water levels, monitoring a sump pit, detecting rainfall, and detecting leaks, etc.. The sensor has ten exposed traces, five are power traces and five are sense traces. The power and sense traces are not connected but become bridged when immersed in water.


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US$3.59

The geeekus Analog Steam Sensor Module allows you to have a DC voltage output depending on the level of moisture detected across its sensor pads (dry state has a low value;when humidity on the face of this sensor rises, output voltage will increase). This basic sensor module can be used to detect the presence of steam, water, rainwater, moisture, vapour, etc. This steam sensor module can be connected to the GPIO of a 5V/3.3V microcontroller directly. 


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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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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$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$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$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$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$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$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$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$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$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$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$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$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$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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