in arduino/plant_reference.ino [136:144]
void expresslinkSetParams() {
expresslinkExecuteCommand("AT+CONF? Version\n");
expresslinkExecuteCommand("AT+CONF Topic1=PlantData\n");
expresslinkExecuteCommand("AT+CONF EnableShadow=1\n");
expresslinkExecuteCommand("AT+CONF Shadow1=PlantShadow\n");
sendShadowCommandSeq("AT+SHADOW1 INIT\n", "AT+Event?\n", "OK 20", "OK 21");
sendShadowCommandSeq("AT+SHADOW1 SUBSCRIBE\n", "AT+Event?\n", "OK 26", "OK 27");
}