Project 5: 1602 LCD Display Module ............................................................ 111
Project 6: Ambient Light Sensor .................................................................... 116
Project 7: DHT11 Temperature and Humidity Sensor ............................ 120
Project 8: BH1750 Digital Light Intensity Module ................................... 125
Project 9: Servo ........................................................................ 错误!未定义书签。
Project 10: Lithium Power Module Powering by Solar Energy or Via USB
Cable & Smart phone charging Module .................................................... 139
Project 11: Solar Panel Device with Multiply Functions ..................... 145
8.Trouble Shooting ..................................................................................................... 159
(1) Solar tracking device doesn’t respond. ..................................... 159
(2) USB port can’t recognized by computer. .................................. 159
(3)The servo doesn’t rotate. ................................................................. 160
9.Resources: .................................................................................................................. 160
*About keyestudio
Keyestudio is a best-selling brand owned by KEYES Corporation. Our