₦ 6,500
his thermoelectric cooling lets you heat up or cool things simply by reversing the polarity of the wires. One side heats up while the other cools. It can be used for CPU cooling, Video Card, Mini fridge and other cooling/heating applications and even for electricity generation!
CAUTION: Please use with a heatsink
This thermoelectric cooling lets you heat up or cool things simply by reversing the polarity of the wires. One side heats up while the other cools. It can be used for CPU cooling, Video Card, Mini fridge and other cooling/heating applications and even for electricity generation!
CAUTION: Please use with a heatsink
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The 4-channel relay module is able to switch up to 250A 10A and can be easily applied to home automation and control applications.
Uses:
SRVR V3 Module is a compact and easy-control speaking recognition board.
This product is a speaker-dependent voice recognition module. It supports up to 80 voice commands in all. Max 7 voice commands could work at the same time. Any sound could be trained as command. Users need to train the module first before let it recognizing any voice command.
This board has 2 controlling ways: Serial Port (full function), General Input Pins (part of function). General Output Pins on the board could generate several kinds of waves while corresponding voice command was recognized.
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
Package contains
Arduino Library: //github.com/adafruit/Adafruit-PN532
Sharp GP2Y1010AU0F is often used to detect and publish air quality in IoT systems. and also used to detect cigarett
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