用NodeMCU显示时间，用Arduino监测温度；可以选择在每秒钟改变显示的颜色。 迷你LED的额定电压是3.0V到5.5V，16mA（每个LED）。 我们的NodeMCU有3.3V的稳压器，可以正常驱动所有的LED。 第2步：LED WS2812B 3030 这里使用了WS2812 NeoPixel Led，它带有集成的IC，这样我们就可以对 ...

Support libraries, good application notes, and worked examples from a manufacturer can really help speed us on our way in making cool stuff with new parts. Espressif Systems has been doing a good job ...

Few devices have hit the hacker/maker word with quite as large a bang as the ESP8266. [Brian] first reported a new $5 WiFi module back in August. Since then there have been an explosion of awesome ...

I recently won an Amazon Echo in a BBQ cooking competition and I was eager to get it set up in my house. As you may know, the Echo allows you to use voice commands to do things like order from Amazon, ...