DHT11 is a low-cost digital sensor for sensing temperature and humidity. This sensor can be easily interfaced with any micro-controller such as Arduino, Raspberry Pi etc… to measure humidity and temperature instantaneously.
Resistance: 10k OHM
Weight: 3g (10pcs)
Size: 0.5 x 3.3 cm (W x H)
Temperature coefficient: -25℃~90℃
It can be applied to air conditioner device,heating device,clinical thermometer, auto – electron , electronic calendar and so on.
Adxl345 digital three-axis acceleration of gravity tilt module Ar code iic / spi
Name: three-axis acceleration of gravity module
Chip: the adxl345
Power supply: 3-5V
Communication: the IIC / SPI communication protocol
Measuring range: ± 2g ± 16g
Schematics, manuals and reference documentation of relevant data
51, the avr, the Ar microcontroller test code
3-axis, ± 2g / ± 4g / ± 8g / ± 16g
Sound detection sensor module detects the intensity of sound where sound is detected via a microphone and fed into an LM393 op-amp. It comprises an onboard potentiometer to adjust the set point for sound level.