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Ethernet Module ENC28J60

The ENC28J60 Ethernet Module utilizes the new Microchip ENC28J60 Stand-Alone Ethernet Controller IC featuring a host of features to handle most network protocol requirements. With this module, you can connect your microcontroller to the Internet to create your own IoT project!
$10.30

Arduino Uno Case

Protect your Arduino with a casing! Acrylic casing fits your Arduino nicely and exposes all the necessary pins to get your project working.
$5.60

Arduino Mega Case

Protect your Arduino with a casing! Acrylic casing fits your Arduino nicely and exposes all the necessary pins to get your project working.
$7.50

GSM SIM5320E 3G

This GSM module is capable of 3G, GPRS & GPS. TTL communication protocol compatible with 5V, 3.3V microcontroller. Frequencies supported are GSM 800/900/1800/1900MHz, WCDMA 900/2100MHz.
$89.70

Load Cell Amplifier HX711

This is a 24 bit high-precision A/D converter with 2 analog channel input and an internal integration of a gain amplifier programmable up to 128.
$4.70

Relay Module 4 Channel 5v

Relay module can be controlled directly via a microcontroller. Inputs are opto-isolated to protect any delicate control circuitry. There are LED indicators for each channel.
$14.00

Relay Module 8 Channel 5v

Relay module can be controlled directly via a microcontroller. Inputs are opto-isolated to protect any delicate control circuitry. There are LED indicators for each channel.
$23.40

RFID PN532 Mini

The PN532 is very powerful, and can pretty much do it all, such as read and write to tags and cards, communicate with phones (say for payment processing), and 'act' like a NFC tag. It can work with any NFC/RFID Type 1 thru 4 tag and has a read range of up to 5cm. You can use either I2C or SPI for communication protocol. This module has built in level shifter so you can safely use 5v logic for communication.
$17.80

Logic Level Shifter Bi-Directional 4 Channel

This bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the 'HV' pin, low voltage (3.3V for example) to 'LV' pin, and ground from the system to the 'GND' pin.
$4.70

Logic Level Shifter Bi-Directional 8 Channel

This bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the 'VCCA' pin, low voltage (3.3V for example) to 'VCCB' pin, and ground from the system to the 'GND' pin.
$9.30

MP3 Module

You can add this MP3 Module to your project to play music from USB or Micro SD Card. It comes with a built in 3W amplifier, which can directly power a 0.5W 8Ω speaker.
$15.90

Analog Digital Multiplexer 16 Channel CD74HC4067

This chip is like a rotary switch - it internally routes the common pin to one of 16 channel pins. It works with both digital and analog signals and the connections function in either direction. To control it, connect 4 digital outputs to the chip's address select pins (S0-S3) to select the specific analog channel. This allows you to connect up to 16 sensors to your system using only 5 pins!
$8.40