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The MAX7219 does all the control and refresh work for you in driving the 8x8 matrix display
Measures Temperatures from -55°C to +125°C (-67°F to +257°F)
Tire Diameter: 66mm
each one must have its own data pin
Key Parameters Rated Voltage DC 12 V No-load Speed 200 rpm No-load Startup Voltage 3
DS18B20 Digital Temperature Sensor Gearmotor The MAX7219 does all theThis is a pre wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125C the cable is jacketed in PVC so we suggest keeping it under 100C. Because they are digital, you don't get any signal degradation even over long distances! These 1 wire digital temperature sensors are fairly precise (0. 5C over much of the range) and can give up to 12 bits
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