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Arduino modules

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Arduino UNO R3

  • Microcontroller:  ATmega328P
  • Operating Voltage:  5V
  • Input Voltage (recommended):  7-12V
  • Input Voltage (limit):  6-20V
  • Digital I/O Pins:  14 (of which 6 provide PWM output)
  • PWM Digital I/O: Pins 6
  • Analog Input Pins:  6
  • DC Current per I/O Pin:  20 mA
  • DC Current for 3.3V Pin:  50 mA
  • Flash Memory:  32 KB (ATmega328P) of which 0.5 KB
    used by bootloader
  • SRAM:  2 KB (ATmega328P)
  • EEPROM:  1 KB (ATmega328P)
  • Clock Speed:  16 MHz
  • Length:  68.6 mm
  • Width:  53.4 mm
  • Weigh:t 25 g
1 Original  Arduino UNO (K)
1 Geekcreit® UNO R3 USB Development Board (K)
1 Kjell & Company UNO R3 (G)
Arduino UNO WiFi
Arduino Specifications
  • Microcontroller: ATmega328
  • Architecture: AVR
  • Operating Voltage: 5V
  • Flash Memory: 32 KB
  • SRAM: 2 KB
  • Clock Speed: 16 MHz
  • Digital I/O Pins: 14, with 6 PWM and UART
  • Analog Input Pins: 6
  • EEPROM: 1 KB
  • DC Current per I/0: 40 mA
  • Input Voltage: 5-12 V
  • Power Consumption: 130 mA (sleepmode 80 mA)
  • PCB size: 53 x 68.5 mm

ESP8266 Specifications
  • Processor: ESP8266
  • Architecture: Tensilica Xtensa LX106
  • Operating Voltage: 3.3 V
  • Flash Memory: 4 MB
  • RAM: 8 MB instruction, 12 MB data
  • Clock Speed: 80 MHz
  • WiFi: 802.11 b/g/n 2.4 GHz
  • Wake up time: < 2 ms
Arduino Nano

  • Microcontroller: Atmel ATmega168 or ATmega328
  • Operating Voltage (logic level): 5 V
  • Input Voltage (recommended): 7-12 V
  • Input Voltage (limits): 6-20 V
  • Digital I/O Pins: 14 (of which 6 provide PWM output)
  • Analog Input Pins: 8
  • DC Current per I/O Pin: 40 mA
  • Flash Memory: 16 KB (ATmega168) or 32 KB (ATmega328) of which 2 KB used by bootloader
  • SRAM : 1 KB (ATmega168) or 2 KB (ATmega328)
  • EEPROM: 512 bytes (ATmega168) or 1 KB (ATmega328)
  • Clock Speed: 16 MHz
Geekcreit® NodeMcu Lua WIFI Internet Things Development Board Based ESP8266 CP2102 Wireless Module


  • Material: Experimental Board + Mixed Alloy
  • Color: Black
  • Chip Module: CP2102
  • Working Temperature: -40 ℃ ~ +125 ℃
  • Power Input: 4.5V ~ 9V (10VMAX), USB-powered
  • Drive Type: Dual high-power H-bridge driver
  • Current: continuous transmission ≈70mA (200mA MAX)
  • Standby: <200uA
  • Size: (L)X(W) 4.8 x 2.5cm (appr.)
NodeMcu Lua WiFi Internet of Things development Board based ESP8266 CP2102


  • Uses WiFi Module – ESP-12E
  • USB – Power 5v and program via micro USB port
  • CP2102 USB TTL Module
  • 10 GPIO, every GPIO can be PWM, I2C or 1-wire
  • Headers – 2 x 2.54mm 15-pin header with access to GPIOs, SPI, UART, ADC, and power pins
  • USB-TTL included, plug n play
    FCC CERTIFIED WI-FI module, PCB antenna
  • Can see the Nodemcu LUA development environment as an alternative to the Arduino ESP8266
  • Dimensions – 49 x 24.5 x 13mm
  • Misc – Reset and Flash buttons
  • Fits on a standard breadboard and gives access to a row of holes either side
Wemos® Lolin ESP32 OLED Module For Arduino ESP32 OLED WiFi + Bluetooth Dual ESP-32 ESP-32S ESP8266 OLED Module

  • Wireless connectivity
  • WiFi: 150.0 Mbps data rate with HT40
  • Bluetooth: BLE (Bluetooth Low Energy) and legacy Bluetooth
  • Processor: Tensilica Xtensa Dual-Core 32-bit LX6 microprocessor, running at 160 or 240 MHz
  • ROM: 448 KB
  • SRAM: 520 KB
  • 0.96 OLED
ESP32-CAM WiFi Bluetooth Module Camera Module Development Board ESP32 OV2640

  • Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module
  • Low-power dual-core 32-bit CPU for application processors
  • Up to 240MHz, up to 600 DMIPS
  • Built-in 520 KB SRAM, external 4M PSRAM
  • Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC
  • Support OV2640 and OV7670 cameras with built-in flash
  • Support image WiFI upload
  • Support TF card
  • Support multiple sleep modes
  • Embedded Lwip and FreeRTOS
  • Support STA/AP/STA+AP working mode
  • Support Smart Config/AirKiss one-click distribution network
  • Support for serial local upgrade and remote firmware upgrade (FOTA)
[link:7]Wemos® Lolin ESP32 OLED X1 shield[/link:7]
Wemos Lolin X-battery shield
Wemos Lolin X-button shield
ESP8266 Remote Serial Port WIFI Transceiver


  • It run LWIP
  • 802.11 bgn
  • WIFI Direct (P2P) SOFT-AP
  • Built-in TCP/IP
  • The AT command is perfect,efficient,concise
  • Support three modes: AP, STA and AP+STA coexistence mod
ESP8266 Serial Wi-Fi Wireless ESP-01 Adapter

  • A adapter module for ESP-01 Wi-Fi module. 3.3V voltage regulator circuit and onboard level conversion circuit can make 5V microcontroller easy to use with ESP-01 Wi-Fi module.
  • Also, the item can be used with Arduino UNO R3 or compatible board.

  • Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)
  • Working current: 0-240mA
  • Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)
Ethernet Shield W5100 R3

  • Controller: w5100
  • Size: 7.4 x 5.4 x 2.4 cm
  • MAC address: 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }

  • It is directly supported by Arduino official Ethernet Library.
  • It adds a micro-SD card slot, which can be used to store files for serving over the network.
  • It is compatible with the Arduino Duemilanove (168 or 328), UNO as well as Mega (1280/2560) and can be accessed using the SD library.
  • The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP.
  • It supports up to four simultaneous socket connections.
  • Use the Ethernet library to write sketches which connect to the internet using the shield.
Digispark ATTINY85 General Micro USB Development Board For Arduino

  • Support for the Arduino IDE 1.0+ (OSX/Win/Linux).
  • Power via USB or External Source - 5v or 7-16v (automatic selection).
  • On-board 150ma 5V Regulator.
  • Built-in USB (and serial debugging).
  • 6 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB).
  • 8k Flash Memory (about 6k after bootloader).
  • I2C and SPI (vis USI).
  • PWM on 3 pins (more possible with Software PWM).
  • ADC on 4 pins.
  • Power LED and Test/Status LED (on Pin0)
ENC28J60 Ethernet Shield Network Module V1.0 For Arduino Nano



  • With this Ethernet Shield, your Arduino Nano board can be used to connect to internet
  • Controller: Microchip's ENC28J60 ethernet / HR911105A
  • Works as server or client
  • Comes with efficient library and examples
  • Direct plug puzzle board, NO soldering needed.
Funduino Nano Expansion Board for Nano

  • This Nano Mult-Function expansion board is designed specially for Arduino Nano, solve the problem of wiring confusing when a variety of sensors connected.
  • Lead out all digital IO port and analog IO port, each one with standard positive and negative power interface.
  • Lead out the I2C interface of mainboard for convenient connection.
  • Increasing the DC power supply interface. Nano USB interface supply current is actually only 50MA, to bring high-current devices, such as the steering, is obviously insufficient. So in the DC power connector provide external power supply to ensure the stability of equipment operation
Arduino Base Plate
(Lawicel 5, Sparkfun 1)


830 Holes Solderless Breadboard


400 Holes Solderless Breadboard


170 Holes Mini Solderless Breadboard

0.96 Inch 4Pin Blue Yellow IIC I2C OLED Display

  • Interface: IIC/I2C
  • GND: Power Gound
  • VCC: 2.2V-5.5V
  • SCL: CLK clock (High level 2.2V-5.5V)
  • SDA: MOSI data (High level 2.2V-5.5V)

  • Color: Blue and Yellow LED
  • Resolution: 128x64
  • Power: 0.06W
  • Wide power supply range: DC 3V-5V
  • Temperature: -30°C to 70°C
  • Dimension: 29.28 x 27.1 mm (LW)
  • Compatible with 3.3V and 5V control chip I / O level
  • OLED internal drive chip: SSD136
0.96 Inch 4Pin White IIC I2C OLED Display

  • Color: White
  • OLED Driver IC: SSD1306
  • Resolution: 128 x 64
  • Visual Angle: >160°
  • Input Voltage: 3.3V ~ 6V
  • Compatible I/O Level: 3.3V, 5V
  • Mini Size: 2.7 x 2.8 cm
  • Only Need 2 I/O Port to Control
0.96 inch 7P SPI HD TFT ST7735 Drive IC 80*160 65K Full Color LCD Display

  • Size 0.96inch
  • Display Mode Normally black IPS
  • Display Format Graphic 80RGB*160 Dot-matrix
  • Input Data SPI interface
  • Drive IC ST7735S
  • Dimensional outline 24(W)*30 (H)*2.8+/-0.1(T)mm
  • Resolution 80RGB*160 Dots
  • LCD Active area 10.8 (W)*21.7 (H)
  • Dot pitch 0.135(H) x 0.1356(V) mm
  • Viewing Direction All View
  • Operating Temperature -20~70°C
20 x 4 Character LCD Display Module Blue

  • Supply voltage: 5V
  • Interface: I2C
  • I2C address: 0x27 or 0x3F
  • Pin definition: GND, VCC, SDA, SCL
  • Contrast adjust: potentiometer
  • The module is a low-power consumption character LCD module with a built-in controller
  • The module can be easily interfaced with a MCU
  • Display format: 20 Characters x 4 lines
  • Fully assembled and tested serial LCD 20 x 4 module
  • White text, blue backlight
  • It is fantastic for Arduino based project
  • Size: 9.8 x 6 x 1.2 mm
84*48 LCD Module White Backlight Adapter PCB for Nokia 5110 D

  • Power supply voltage: 2.7V- 3.3V
  • Backlight Power Supply Voltage: 3.3V MAX
  • 43.6 mm x 43.1 mm(width X height)
  • 84 x 84 dot matrix LCD, can show 4 lines of characters, 12 Characters Per Line

LCD Display Module 1.8 Inch SPI TFT ST7735 128x160

  • It is a 1.8 "SPI TFT LCD Screen Module, 9pins interface. Not just a LCD break but include SD card (2GB),
  • The LCD drive ic is ST7735S. It's a 128 X 160 (resolution). The LCD has a wide viewing angle, the contrast is also very suitable.
  • The display interface is serial, it just needs 5 wires (CS, RS, SCL, SDA, RST) for controlling.
  • SDcard use hardware SPI interface (CS / MOSI / MISO / SCK), Not solder pins.

  • LED 3.3V IO and Power Supply pin
  • LED UTFT Support
  • SCL: Serial clock input
  • SDA/SDI: Serial data input
  • DC: Data/Command selection
  • RST: Reset Low level active
  • CS: Chip Selection,Low level active
  • GND: Ground
  • VDD33: 3.3V Power Supply pin
1.3 inch IPS HD TFT ST7789 Drive IC 240*240 Full Color LCD Display Module

  • Size: 1.3 inch
  • Active Area: 23.4*23.4 mm
  • Module Size: 26.16*29.22 mm
  • Resolution: 240*240 (Display direction can be adjusted, horizontal screen and vertical screen are OK)
  • Drive IC: ST7789
  • Color: Full Color
  • Viewing Direction: Full viewing angle
  • Interface: 4-Wire SPI Interface
  • PIN NO.: 12Pin
  • Voltage: 3.3V
  • Working Temp.: -20 ~ 70 degree
Luxorparts Adresserbar RGB LED-ring 24x LED

1(K)Drivs från 5 V (4-7 V fungerar). Strömförbrukning: max. 60 mA/lysdiod (typ WS2812).


DS3231 Real Time Clock

  • Operating voltage: 3.3 - 5.5V
  • Clock chip: High-precision clock chip DS3231
  • Clock Accuracy: 0-40 °C range, the accuracy 2ppm, the error was about 1 minute
  • Calendar alarm clock with two
  • Programmable square-wave output
  • Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation
  • Chip temperature sensor comes with an accuracy of ± 3 °C
  • Memory chips: AT24C32 (storage capacity 32K)
  • IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)
  • Size: 38mm (length) x 22mm (Width) x 14mm (height)
  • Weight: 8g
  • Can be cascaded with other IIC device, 24C32 addresses can be shorted A0/A1/A2 modify default address is 0x57
DS1302 clock module

The communication between the microcontroller and the SD card uses SPI, which takes place on digital pins 11, 12, and 13 (on most Arduino boards) or 50, 51, and 52 (Arduino Mega)

  • DS1302 clock module
Micro SD TF Card Memory Shield Module

  • Support Micro SD Card (<=2G), Micro SDHC card (<=32G) (high-speed card)
  • The level conversion circuit board that can interface level is 5V or 3.3V
  • Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board
  • Communication interface is a standard SPI interface
  • 4 M2 screw positioning holes for easy installation
  • Size: 4.1 x 2.4 cm
SD card reader module

1(K)The communication between the microcontroller and the SD card uses SPI, which takes place on digital pins 11, 12, and 13 (on most Arduino boards) or 50, 51, and 52 (Arduino Mega)

  • SD card reader module

  • SD card reader module
10PINS NRF24L01 2.4GHz Wireless Transceiver

  • Maximum operating speeds up to 2Mbps, GFSK modulation efficiency, Anti-interference ability, Particularly suitable for industrial control applications.
  • 125 Channels, Multi-point communication and frequency hopping to meet the communication needs.
  • Built-in hardware CRC error detection, Multipoint communication address control.
  • Low-power 1.9 ~ 3.6V, only 1uA on Power down mode.
  • Built-in 2.4Ghz antenna.
  • Available software to set the address, only received local Address when output data(Provide interrupt instruction), can be directly connected to a variety of microcontrollers, Software programming is very convenient.
  • Built-in voltage regulator.
  • Standard DIP Pitch Interface for embedded applications.
  • Size: 3.3 cm x 1.4 cm
Socket Adapter Plate For 10Pin NRF24L01

  • Voltage: 3.3V
  • Size: 26 x 19 x 12mm
  • It's for 10 Pin NRF24L01+ Module
  • A simple socket board which is for NRF24L01 Wireless module on-board AMS1117-3.3 chip
  • It could be used with NRF24L01 Wireless module
  • Wireless module operating voltage is generally 3.3v, while the ordinary 51 micro-controller 5v, this module is wireless module with 51 single system board used in conjunction
Socket Adapter Plate For 8Pin NRF24L01

  • Voltage: 3.3V
  • Size: 26 x 19 x 12mm
  • It's for 8 Pin NRF24L01+ Module
  • A simple socket board which is for NRF24L01 Wireless module on-board AMS1117-3.3 chip
  • It could be used with NRF24L01 Wireless module
  • Wireless module operating voltage is generally 3.3v, while the ordinary 51 micro-controller 5v, this module is wireless module with 51 single system board used in conjunction
433MHz 100M Wireless Remote Control Transceiver

STX882 ASK Wireless Remote Control Transmitter Module:
STX882 is a ASK transmitter module with small size, ultra high power, low harmonics. With high stability, it can be achieved at 50mW power when the voltage is 3.6V, it is the maximum transmitter power module under the the same voltage in the market. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient.

SRX882 ASK ASK Wireless Remote Control Superheterodyne Receiver Module:
SRX882 is a superheterodyne receiver with micro power and strong driving force, is supplementary STX882 / STX888 module. Data port of the module can be connected to the microcontroller directly, make wireless product development and production more convenient
Luxorparts SG90 Micro-servo 800

  • Weight: 11g.
  • Rotation Angle: 180°
  • Torque: 1,8 kg/cm (11 Ncm) (at 4,8 V).
  • Torque: 2,4 kg/cm (15 Ncm) (at 6 V).
  • Speed: 0,12 sec/60° (at 4,8 V).
  • Speed: 0,10 sec/60° (at 6 V).
  • Linear response to PWM for easy ramping.
  • Operating voltage: 4,8-6 V.
  • Operating temperature: -10 to 50 °C.
  • Current max: < 600 mA.
  • Cable length: 250 mm.
  • Connector type: JR / Futaba / GWS
  • Breadboard friendly connector 2,54 mm pitch.
  • Connector wire gauge: 28 AWG.
  • Control system: PWM (Pulse Width Modulation)
  • Pulse Frequency / Duty cycle: 50 Hz / 20 ms square wave
  • Direction w/ Increasing PWM Signal: Counter Clockwise
Luxorparts Servo 360° 5,5 kg

1(K)Servomotor som roterar 360°. Drivs som ett vanligt servo men kan användas för att snurra ett hjul eller liknande.
  • Maxhastighet: ca 45 varv/min.
  • Vridmoment: 5,5 kg/cm.
  • Spänning: 4,8-6 V.
  • Mått: 40,5x28,4x39,4 mm.
Luxorparts Stegmotor med växellåda och drivare

Unipolär stegmotor med drivare. Växellåda med 1:64-utväxling ger en stark motor. Själva stegmotorn är internt på 64 steg/varv som tillsammans med utväxlingen ger 4096 steg/varv. Drivaren är baserad på ULN2003.

Drivs med 5-12 V.
Motor Drive Shield L293D For Arduino


  • The Motor Shield is able to drive 2 servo motors, and has 8 half-bridge outputs for 2 stepper motors or 4 full H-bridge motor outputs or 8 half-bridge drivers, or a combination.
  • The servo motors use the +5V of the Arduino board. The voltage regulator on the Arduino board could get hot. To avoid this, the newer Motor Shields have connection points for a separate +5V for the servo motors.
TEA5767 FM Stereo Radio Module 76-108MHZ

  • Frequency range from 76-108MHZ automatic digital tuning.
  • High sensitivity, high stability, low noise, radio module.
  • A low-power electro-tuning FM stereo radio circuit, which integrates the IF frequency selection and demodulation network, can be completely free of tune.
  • High sensitivity (Using low noise RF input amplifier)
  • High-gain automatic gain control (AGC) circuit
  • LC tuned oscillator fixed chip with low cost

  • Board size: 31 x 30 mm
  • With a power reverse-protection diode
  • Board comes with power output filter inductor
  • Multiple capacitor combination filter
  • Blue power indicator
  • You can directly pull and plug the antenna port
  • I2C bus communication
  • FM radio TEA5767 dedicated chip module
  • Onboard headphone amplifier chip TDA1308 as audio amplification
  • Onboard 3.5mm audio interface, can be directly connected headset amplifier
  • If connects with singlechip, only need to connect the power ground and two I2C communication lines
Geekcreit® FT232RL FTDI USB To TTL Serial Converter Adapter Module For Arduino

  • Chip: FT232RL
  • Draw out all signal port of FT232RL chip
  • RXD / TXD transceiver communication indicator
  • USB power supply, can choose 5V or 3.3V, set by jumper
  • With over current protection, using 500mA self-restore fuse
  • Pin definition: DTR, RXD, TX, VCC, CTS, GND
  • Pitch: 2.54 mm
  • Size: 36x18 mm (L x W)
  • Interface: Mini USB

Video: Programming ATmega328p Using USB to TTL

Video: Codebender, ATtiny85, and the TinyAVR Programmer

Tiny AVR Programmer Hookup Guide

PAM8403 Miniature Digital USB Power Amplifier Board


Large output power, energy sufficient, good quality, can directly drive 4 Ω or 8 Ω small speakers
Good noise suppression you will hear nothing from the loudspeaker if there is no audio input
Your can charge this board directly with your computer or mobile phone USB
Super mini design can be easily placed in a variety of digital products
The whole board adopts machine welding with high quality stand
The negative pole of left and right channels output end cannot connect together!


  • Unit size: 1.85 x 2.11cm
  • Material: FR4
  • Input Voltage: 2.5 - 5V USB power supply is available
  • 2 x 3 W

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