dht22 Temperature Stats
mySQL
Login: mysql --user=root --password=password
Creating new user: create user 'dhtuser'@'localhost' IDENTIFIED BY 'raspberry';
Permissions: grant all privileges on *.* to 'dhtuser'@'localhost';
Create database: create database dhtstats;
Use database: use dhtstats
Create new table: CREATE TABLE stats (id MEDIUMINT NOT NULL AUTO_INCREMENT, node_id int not null, pin int not null, humidity FLOAT NOT NULL, temperature FLOAT NOT NULL, isoutside int not null, gm3 float not null, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (id) );
Show all entries in table: select * from stats;
Dependencies
Raspberry Pi
apt install mariadb-server mariadb-client libmariadbclient-dev libmariadbclient-dev-compat libconfig-dev wiringpi libcurl4-openssl-dev (-s)