The TMP35, TMP36, and TMP37 are low voltage, precision centigrade temperature sensors. They provide a voltage output that is linearly proportional to the Celsius (Centigrade) temperature. The TMP35/TMP36/TMP37 do not require any external calibration to provide typical accuracies of ±1°C …
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A force-sensing resistor is a material whose resistance changes when a force or pressure is applied. Force-sensing resistors consist of a conductive polymer, which changes resistance in a predictable manner following application of force to its surface.They are normally supplied …
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Gas Sensor(MQ2) module is useful for gas leakage detection. This particular version is suitable for detecting H2, LPG, CH4, CO, Alcohol, Smoke or Propane. Due to its high sensitivity and fast response time, measurements can be taken as soon as …
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In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple. The data is output in a 12-bit resolution, SPI™-compatible, read-only format. This converter resolves temperatures …
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I purchased this module as part of a microcontroller kit, its an interesting little module as it has 16 buttons but with only 1 I/O line is required, an analog input. You connect this to your Arduino and read in the …
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In this example we again use the MAX7219 but this time we will be driving an 8×8 LED matrix like the following module The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED …
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In this example, we will use the chipKIT Uno32 board and connect this to a MAX7219-driven 8-digit seven segment LED display. The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of …
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In this example we connected a 4X4 Key-pad shield with display interface from http://store.iteadstudio.com/index.php?main_page=product_info&products_id=308 Here is a picture of the shield minus the LCD5100 display, as you can see it provides you with a number of keys that could be use …
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The HC-SR505 Mini PIR Motion Sensor is based on infrared technology and it can automatic control by itself with high sensitivity and high reliability. Because of the minimum size and low-power operation mode, it widely used in various of automatic …
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The bar graph is basically a series of LEDs in a line, this is a common hardware display for analog sensors. It’s made up of a series of LEDs in a row, you simply treat these as you would do …