To satisfy electronic DIY hobbyists, we have developed a max7219 dot matrix module It uses the max7219 chip which does a great job on saving of MCU I or o it can not only control each point individually , But also can be extended without limitation to meet your...
This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the relay, industrial and DIY it used widely, it comes with a...