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Arduino code for Chrip moisture sensor
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| #include <Wire.h> | |
| void writeI2CRegister8bit(int addr, int value) { | |
| Wire.beginTransmission(addr); | |
| Wire.write(value); | |
| Wire.endTransmission(); | |
| } | |
| unsigned int readI2CRegister16bit(int addr, int reg) { | |
| Wire.beginTransmission(addr); | |
| Wire.write(reg); | |
| Wire.endTransmission(); | |
| delay(20); | |
| Wire.requestFrom(addr, 2); | |
| unsigned int t = Wire.read() << 8; | |
| t = t | Wire.read(); | |
| return t; | |
| } | |
| void setup() { | |
| Wire.begin(); | |
| Serial.begin(9600); | |
| void("setup complete"); | |
| writeI2CRegister8bit(0x20, 6); //reset | |
| delay(500); | |
| writeI2CRegister8bit(0x20, 6); | |
| } | |
| void loop() { | |
| unsigned int moisture = readI2CRegister16bit(0x20, 0); | |
| if(moisture < 1000) | |
| Serial.println(moisture); | |
| } |
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