用B键或者用pin2做触摸键,发送信号。pin0控制蜂鸣器,pin1控制马达。A键显示或清楚显示。[code]##########################
#v 1.0 Initial Public Release
#This is a working CW Radio. 'B' is key. 'A' shows message received in text.
#Connect Sp
I wish you all a happy Chinese Valentine's Day. By the way, I would like to introduce myself as a single person. I'll just stay quietly in the dormitory. :)
[size=4] RFID (Radio Frequency Identification) is a contactless automatic identification technology. The simplest RFID system consists of three parts: a tag, a reader, and an antenna - in actual appli
1. Functional OverviewWith HLK-W800-KIT as the main WIFI core, the on-chip peripheral I2C bus of the onboard Lianshengde chip W800 is connected to SHT20 to read the ambient temperature and humidity da