Sensors
DHT11
Low-cost digital temperature and humidity sensor module used in beginner Arduino projects.
Best For
Projects needing Temperature and Humidity with a commonly available sensors part.
Avoid If
You need production-grade certainty without checking the exact module vendor, pinout, and library maintenance status.
Quick Decision Notes
DHT11 is indexed as a sensors part from Aosong. ChipScout tracks it by practical maker-facing dimensions: interfaces, library readiness, estimated price, field-level sources, and whether the page is strong enough for selection rather than only lookup.
Technical Specifications
Common Use Cases
- Maker prototypes
- Low-cost modules
- Educational hardware
Known Issues
- Breakout boards may use different pin labels or regulator choices
- Clone modules can differ from the original datasheet part
Interfaces and Library Support
Every field is meant to be source-backed. Corrections should include a datasheet URL, vendor page, module photo, or reproducible library test.
Submit correctionSource Resources
Pinout Table
Pinout is not yet source-verified. Use the table as an integration checklist, then confirm exact pins against the module vendor page before wiring hardware.
Common Wiring
Power the module from a rail that matches the breakout board, not just the bare IC.
Connect ground between the controller, sensor/module, and external power supply.
Use a digital input, output, PWM, or ADC pin based on the module output type.
Arduino Example
void setup() {
Serial.begin(115200);
Serial.println("DHT11 GPIO wiring smoke test");
}
void loop() {
// Replace with the maintained DHT11 library or module protocol.
Serial.println("Read or toggle the connected signal pin.");
delay(1000);
}MicroPython Example
from machine import Pin
import time
signal = Pin(0, Pin.IN)
while True:
# Replace with the maintained DHT11 driver or module protocol.
print("DHT11 signal:", signal.value())
time.sleep(1)Recommended Development Boards
Low-cost Wi-Fi/BLE board with enough interfaces for most sensors and modules.
Good baseline for beginner wiring and library validation.
Practical MicroPython target for I2C, SPI, UART, PWM, and ADC experiments.
Alternative Model Reasons
Common Questions
What is DHT11 best used for?
Projects needing Temperature and Humidity with a commonly available sensors part.
Does DHT11 support Arduino or MicroPython?
DHT11 has verified Arduino support and verified MicroPython support.
What interfaces does DHT11 use?
DHT11 lists GPIO; wireless support is no wireless protocol.
Alternatives and Related Parts
ACS712
Allegro MicroSystems
Hall-effect current sensor module used for AC/DC current measurement projects.
ADXL345
Analog Devices
3-axis digital accelerometer with broad maker library support.
AHT10
Aosong
I2C temperature and humidity sensor commonly sold as a compact low-cost breakout.
AHT20
Aosong
Popular Chinese I2C temperature and humidity sensor used as a low-cost SHT-series alternative.