Circuit Documentation
Summary of the Circuit
This circuit integrates a Raspberry Pi 3B with a KY-015 DHT11 temperature and humidity sensor module. The Raspberry Pi 3B serves as the central processing unit, capable of executing complex tasks and interfacing with various peripherals. The KY-015 DHT11 is a basic, low-cost digital temperature and humidity sensor that provides digital signal output, which can be read through a GPIO pin on the Raspberry Pi.
The purpose of this circuit is to measure the ambient temperature and humidity and process this data using the Raspberry Pi 3B. The data can be used for various applications such as environmental monitoring, home automation, or weather stations.
Component List
Raspberry Pi 3B
- Description: A small, powerful computer that includes a Broadcom BCM2837 system on a chip (SoC) with a 1.2 GHz 64-bit quad-core ARM Cortex-A53 processor, 1GB RAM, onboard Wi-Fi, Ethernet, and Bluetooth connectivity, along with a multitude of GPIO pins for interfacing with external hardware.
- Pins: 3v3, GPIO2, GPIO3, GPIO4, GND, GPIO17, GPIO27, GPIO22, 3V3, GPIO10, GPIO9, GPIO11, ID_SD, GPIO5, GPIO6, GPIO13, GPIO19, GPIO26, GPIO21, GPIO20, GPIO16, GPIO12, ID_SC, GPIO7, GPIO8, GPIO25, GPIO24, GPIO23, GPIO18, GPIO15, GPIO14, 5V
KY-015 DHT11
- Description: A basic, low-cost digital temperature and humidity sensor that outputs a calibrated digital signal. It utilizes a dedicated digital module acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability.
- Pins: 5V, S, GND
Wiring Details
Raspberry Pi 3B
- 5V: Connects to the 5V pin of the KY-015 DHT11 sensor to provide power.
- GND: Connects to the GND pin of the KY-015 DHT11 sensor to complete the power circuit.
- GPIO4: Connects to the signal pin (S) of the KY-015 DHT11 sensor to read the data from the sensor.
KY-015 DHT11
- 5V: Receives power from the 5V pin of the Raspberry Pi 3B.
- S: Sends the temperature and humidity data to the GPIO4 pin of the Raspberry Pi 3B.
- GND: Connected to the GND pin of the Raspberry Pi 3B to complete the power circuit.
Documented Code
No code has been provided for the microcontrollers in the circuit. To fully utilize the KY-015 DHT11 sensor with the Raspberry Pi 3B, code is required to initialize the GPIO pin for communication, read the sensor data, and process the information for further use or display. The code would typically be written in Python, C, or another suitable programming language that can run on the Raspberry Pi's operating system.