ATtiny85 Chip

The ATtiny 85, small yet powerful. The best part is that we can use the Arduino Uno to program it. So if you have simple projects which only use only a few pins off the Arduino, then the ATtiny 85 will fit the bill perfectly. Key Facts: Manufacturer: Atmel 8-Bit Processor 8 pins with 6…

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Raspberry Pi Fridge Monitor Pt2

Now that you can get sensor readings from the DS18B20, time to display the data. I am using the 20×4 LCD Panel that I got from AliExpress for USD 3.68 (~ RM 15.00). It’s a 20 character LCD with 4 rows. INSTALL DEPENDENCIES This is from the Adafruit website: sudo apt-get update sudo apt-get install build-essential python-dev python-smbus python-pip…

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Waterproof Temperature Sensor DS18B20

DS18B20 Technical specs: Usable temperature range: -55 to 125°C (-67°F to +257°F) 9 to 12 bit selectable resolution Uses 1-Wire interface- requires only one digital pin for communication Unique 64 bit ID burned into chip Multiple sensors can share one pin ±0.5°C Accuracy from -10°C to +85°C Temperature-limit alarm system Query time is less than…

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