This board allows Arduino nano I/O to be expanded. It also allows the nano to be powered from a 7-12V dc supply like an Arduino Uno.
FEATURES:
AREF Output: 3.3V
Expand all 6 PWM pins
Expand I2C pins
Compatible only with Arduino NANO
Expand DC power interface
Available pins: +3.3V, +5V, GND, I2C, RX/TX, All other IOs
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MQ-8 Hydrogen Gas Sensor – Arduino Compatible
₦ 3,000
The MQ-8 hydrogen gas sensor, allows hydrogen gas concentrations to be measured. It has a sensitivity of 100-10000ppm. The Output is simply connected to an ADC via a load resistor
Graphic LCD 84×48 – Nokia 5110 – Arduino Compatible
₦ 3,000
The Nokia 5110 is a basic graphic LCD screen for lots of applications. A much richer information set can be displayed on this screen.
It uses the PCD8544 controller, same used in the Nokia 3310 LCD. The PCD8544 is a low power CMOS LCD controller/driver, designed to drive a graphic display of 48 rows and 84 columns. All necessary functions for the display are provided in a single chip, including on-chip generation of LCD supply and bias voltages, resulting in a minimum of external components and low power consumption. The PCD8544 interfaces to microcontrollers through a serial bus interface.
The PN532 is a widely used and supported NFC chip. This module will allow you to add NFC and RFID functionality to your project, allowing you to interact with phones, read and write NFC tags and RFID tags.
Features
Typical Operating Distance have been updated to 5cm~7cm reading distance
Work in NFC Mode or RFID reader/writer Mode
RFID reader/writer supports:
Mifare 1k, 4k, Ultralight, and DesFire cards
ISO/IEC 14443-4 cards such as CD97BX, CD light, Desfire, P5CN072 (SMX)
Innovision Jewel cards such as IRT5001 card
FeliCa cards such as RCS_860 and RCS_854
Plug and play, Arduino compatible
Built in PCB Antenna, with 4cm~6cm communication distance
On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI
Work as RFID reader/writer
Work as 1443-A card or a virtual card
Exchange data with other NFC devices such as smartphone
This sensor allows you to detect combustible gases in the air. It is capable of detecting flamable gases in concentrations ranging from 300 to 10,000 ppm using only one analog pin from a microcontroller.
5V Operation
Detects any of the following flammable gases
LPG
Butane
Propane
Methane
Alcohol
Hydrogen
Smoke
Example Application: Fire prevention system, Gas leakage detector, Gas concentration detector.
This module allows you to add Ethernet connectivity to your projects. Based on the popular Microchip’s ENC28J60, this module will easily interface with any Microcontroller or Arduino board allowing Internet Connectivity via the Ethernet..
The Arduino Uno R3 is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz 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 a AC-to-DC adapter or battery to get started.
The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip.
Additional features coming with the R3 version are:
ATmega16U2 instead 8U2 as USB-to-Serial converter.
1.0 pinout: added SDA and SCL pins for TWI communication placed near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board and the second one is a not connected pin, that is reserved for future purposes.
stronger RESET circuit.
“Uno” means “One” in Italian and is named to mark the upcoming release of Arduino 1.0. The Uno and version 1.0 will be the reference versions of Arduino, moving forward. The Uno is the latest in a series of USB Arduino boards, and the reference model for the Arduino platform.
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