Arduino Boards

It is LM2596 HV DC-DC Buck Converter with voltage rating 4.5-40V to 3-35V. This step down power module is adjustable with a potentiometer.

1. Adjustment method: first correct input power (between 4.5-50V) then multimeter to monitor the output voltage and adjust potentiometer (usually clockwise turn boost, buck turn counterclockwise),
2. Input: IN+ input positive IN- input negative
3. Output: OUT+ output positive OUT- output negative
4. Static power consumption is only about 6mA.
5. Connection: Welding, plus pin can be directly soldered after the PCB.
6. Short circuit protection: current limiting, thermal protection, self-recovery.
7. Non-isolated step-down (BUCK) switching regulator.
8. Short circuit protection: Current limiting, self-recovery
9. Potentiometer adjustment direction is as Clockwise (increase) and Anti-clockwise (decrease)
10. Non-synchronous rectification

1. Manufacturer: Arduino Official
2. Official Arduino Board with 3-Month brand Warranty
3. ATmega16U2 instead 8U2 as USB to serial converter
4. Stronger RESET circuit
5. 5V operating voltage
6. 40mA DC current per I/O pin
7. 256KB flash memory of which 8KB used by bootloader
8. 8KB SRAM
9. 4KB

This Arduino Uno and Leonardo compatible multifunction experimenter shield (HCARDU0085) has a large range of features which makes it ideal for beginners who just want to experiment and learn, or just as a general-purpose shield for more advanced uses.

Besides the feature-rich range of components fitted to the shield, there is also a range of expansion headers for convenient interfacing of external modules and components. The shield includes R3 type headers for easy connection to your Arduino board. If you have a pre R3 design Arduino, please check for compatibility before purchase.

UART WIFI Shield is a low power consuming wifi extension working for Arduino Uno and Mega2560

ESP8266-Based Serial WiFi Shield for Arduino is designed based on esp8266 by Espressif Systems, pin-compatible with Arduino UNO/Mega2560 DevBorad.

1. The WiFi module is industrial-grade chips ESP8266, which is ESP-12E with a metal shield, strong anti-interference ability;
2. 1200/2400/4800/9600/19200/38400/57600/74800/ 115200 bps serial port baud rate.
3. The shield is pin-compatible with Arduino Uno, Mega2560, and other control boards. A voltage converter chip is used to deal with 3.3V (Esp8266) and 5V (Arduino);
4. Dual DIP switches are used for serial ports so that this module shield can be used alone as an Arduino Uno expansion board, and also be used as an ESP8266 expansion board;
5. Serial data is transported to WiFi devices transparently, and vice versa. Arduino program does not need any configuration;
6. A webServer is developed to configure WiFi parameters and serial port parameters;
7. The module shield can be used as an independent ESP8266 development board. for instance, downloading the official AT commands firmware, NodeMCU open-source firmware can be used;
8. The module shield also can be used as a stand-alone expansion board for Arduino Uno.

Arduino Lilypad is a fancy looking development board from Arduino. It is based on the ATmega328V microcontroller and offers 14 Digital I/O pins and 6 Analog Channels. It also has 6 PWM channels and a wide operating voltage from 2.7V to 5.5V making it suitable for battery-operated applications.

This Lilypad 328 16M board has a flat bottom and large pinholes making it easy for being sewn into clothing. It is commonly used in e-textile and other wearable electronics applications. It offers the same functionality you find in other Arduino boards, in a lightweight, round package design to minimize snagging and profile.

Features and Specifications:

• Microcontroller: ATmega328V
• Operating Voltage Range: 2.7-5.5 V
• Input Voltage : 2.7-5.5 V
• Digital I/O Pins:14 Nos (of which 6 provide PWM output)
• Analog Input Pins: 6
• PWM Channels: 6
• DC Current per I/O Pin:40 mA
• Flash Memory: 16 KB (of which 2 KB used by bootloader)
• SRAM: 1 KB
• EEPROM: 512 bytes
• Clock Speed: 8 MHz

Washability: Wash at your own risk. We recommend washing projects by hand with a mild detergent. Drip dry. Make sure you remove your power supply first!

Additional Resources:

• Getting Started with the LilyPad Arduino
• LilyPad Arduino Guide.

The Nano 328P Expansion Adapter Breakout Board IO Shield acts as a breakout board for the Arduino Nano microcontroller. There are several different options for power input and the footprint of this board is the same as the Arduino Duemilanove.

In addition, each pinout includes 5V and GND pins for easy connection to sensors or servos. The unit comes fully assembled.

 Arduino Nano IO Expansion Shield is specifically designed to facilitate an easy connection between  Arduino Nano and many other devices. In essence, it expands the Arduino Nano controller to link those devices in a simple and trouble-free manner.

It is a perfect companion of Nano breadboard and compatible with both Arduino Nano v2.x and v3.x.

14 I/O Pin (servo type with GND, power, and signal).
8 analog Pin with power output and GND.
6 PWM Pin.
1 Servo power input.
5 I2C expansion Pin.
1 AREF output.
1 3.3V output.

1. Compatible with Arduino NANO.
2. All digital and analog pins breakout.
3. Compact size.
4. External power supply current support.
5. Leads all pins out, convenient for wiring and doing experiments.

DC-DC boost converters step up the input voltage to a higher voltage while also stepping down the available current since the module cant output more power than its inputs.

This boost converter is adjustable and capable of outputting a voltage in the range of 5.0 to 28V at a continuous current of up to 1.5A depending on input/output voltage settings with 1A available with most settings.

Since it is a boost converter, the input voltage must be lower than the output voltage.

The device is able to use low ESR bulk ceramic capacitors rather than electrolytic caps which avoids long-term aging concerns and contributes to the compact packaging.

The MT3608 converter IC has over-current and thermal limiting features built-in to safely shut the device down if driven too hard.

The CNC Shield V3.0 allows you to build a engraving machine, 3D printer, mini CNC and other similar devices using your Arduino. It is designed as a shield and can plug on top of an Arduino requiring no external connections and wiring. There are 4 slots on the board for plugging in stepper motor drive module which can drive 1 stepper motor each. Controlling each step stepper motor requires only two IO pins on the Arduino. Just insert this Arduino CNC Shield V3.0 onto an Arduino UNO, and install the GRBL firmware, you can then quickly build a DIY CNC engraving machine. 

Features:-

• The extension board can be used for Small CNC routers, Carving Machine, 3D Printers, DIY Laser Cutters, and almost any project where you need to control a stepper motors with high precision
• This shield allows you to control upto 4 stepper motors
• Controller each stepper motor requires 2 IO Pins only, which saves a lot of IO Pins for other purposes
• Arduino compatible
• Latest Arduino CNC Shield Version 3.10
• GRBL 0.9 compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)
• Supports PWM Spindle and direction pins
• 4-Axis support (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
• Supports Coolant enable
• Supports removable A4988 compatible stepper drivers. (A4988, DRV8825 and others) (Not Included)
• Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
• Compact design.
• Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
• Runs on 12-36V DC. (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
• Uses removable A4988 or DRV8825 compatible stepping driver.