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Alcohol Gas Sensor MQ-3

Alcohol Gas Sensor MQ-3

$4.50
This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive...
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MAX7219 8X8 Red Dot LED Matrix Kit

MAX7219 8X8 Red Dot LED Matrix Kit

$8.99
8X8 LED matrix has too many pins that Arduino is difficult to interface. This kit shows how to use an interface chip MAX7219 to interface Arduino to drive 8X8 LED matrix. This is a 8X8 LED matrix kit that includes the...
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riple Output LED RGB

Triple Output LED RGB

$0.39
 Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the longest pin. One for each color and a common cathode. Use this one LED for three status indicators or pulse width modulate all...
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Analog to Digital Converter - MCP3002

Analog to Digital Converter - MCP3002

$2.30
The MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines.Features: 2.7V to...
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