# 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, 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 (-s)`

### ESP-8266
[aRest](https://github.com/marcoschwartz/aREST)