Prepare Raspberry Pi for sensors with correct 3.3 V GPIO logic, model-specific power, I²C or SPI setup, level shifting, and safe shutdown.
A quick rundown of four essential sensors: the LDR light sensor, PIR motion sensor, infrared receiver, and tilt sensor.
A quick rundown of five essential sensors: ultrasonic, soil moisture, sound, MQ2 gas, and color recognition.
A quick rundown of five essential sensors: flame, Sharp IR distance, rain, MPU-6050, and the TTP223B touch sensor.
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