Programming VIP

1, Trolley device In the tutorial is the car device integrated on Taobao. In addition, I also bought some spare parts and configured my own car. https://detail.tmall.com/item.htm?id=608554421638&spm=a1z09.2.0.0.7e012e8d3NEMy0&_u=12kf16b6b4b Components include: 1. Trolley bottom plate (2), motor (4), wheel (4), DuPont wire, copper col ...

Collect indoor and outdoor temperature and humidity data through arduino, and transmit the collected data to raspberry pie in the form of json data through serial port. There is a service in raspberry pie to obtain the data from serial port and write the data into rrd file. Make another script on the raspberry pie, generate graphics every 5 m ...

STM32 double shaft rocker control hollow cup motor Biaxial rocker sensor    the PS2 two axis key game rocker module adopts the metal key rocker potentiometer on the PS2 game handle. The module has two analog output and one digital output interfaces, and the output values correspond respectively( ×, Y double axis offset, its ...

1. Project overview Implement a mobile App that can control home devices and obtain relevant temperature and humidity information. App calls HTTP service on ECs; HTTP service encapsulates MQTT subscription and push requests to update the MQTT server; The esp8266 module is connected to the MQTT server through networking, sends the data tr ...

preface ADC is widely used in the project. ADC and DAC are digital / analog converters. But I don't use much DAC, because I usually use sensors to detect external analog quantities, and then convert them into digital quantities for data processing and application, such as temperature and humidity sensors, inductors, black-and-white tra ...