Temperature and humidity sensor is a module based on DHT11 digital temperature and humidity sensing element. It is sensitive to the ambient temperature and humidity changes and can be used for temperature alarm, humidity testing and other works.Now let's use it to measure the temperature and humidity of the surrounding environment.

Micro:bit is becoming more and more popular in many countries ,it’s easy to learn for young kids ,also is easy to teach for teachers ,but only one micro:bit for learning how to programming is not enough ,so for the markets there are many micro:bit breakout board and kits for micro:bit ,but it’s hard to know which kits are best or don’t know how to choose it . Many of our clients also ask us same questions ,Elecfrekas has all kinds of micro:bit accessories ,but they don’t have know how choose them . Although micro:bit is focus on the primary and secondary schools ( age for 7-16),but for older students also can use the micro:bit to do many interesting projects .There let me show you how to choose our micro:bit kits .

WS2812 rainbow lamp is a very commonly used electronic material by makers. Its colorful luminous characteristic is deeply loved by everyone, but they are sold mostly in bare PCBA in the market. The beads without any obstruction gives out dazzling light to us. Thus, I will make a rainbow light panel with a soft light.