US$ 44.95
for air quality monitoring
Can also be used in large projects thanks to 54 digital inputs/outputs and an additional 16 analog inputs
Touch: GPIO Auflösung
The relays used are generously dimensioned to allow permanent operation even under unfavorable operating conditions
and with a length of 20 cm each
2 4 tft lcd touch display price_10-20€ for air quality monitoring2. 4 Inch SPI TFT Display This 2. 4 inch SPI TFT display features a bright 4 white LED backlight and a high resolution of 240x320 pixels for clear display of text, graphics and images. The TFT display module allows 262,000 colorful different shades ideal for displaying graphics. The popular SPFD5408 TFT controller can be controlled by a wide range of devices via SPI thanks to many freely available libraries. Specifications: Size: 71*52*7mm 2. 4