library(ggthemr)
library(scales)
library(ggplot2)
B6 = read.csv('B6x.csv',header=F)

B6$V2 = as.POSIXct(B6$V2, format="%d/%m/%Y %H:%M:%S")

B7 = read.csv('B7x.csv', header =F)
B7$V2 = as.POSIXct(B7$V2, format="%d/%m/%Y %H:%M:%S") 

B0 = cbind(B6,B7)
B0 = B0[c(2,3,6)]
head(B0)

pdf('test.pdf', width=16.53, height=11.69)
ggthemr('pale')
ggplot(B0, aes(V2)) + geom_line(aes(y=V3, colour = "B6"), size=0.25) + geom_line(aes(y=V3.1, colour = "B7"), size=0.1) +
ggtitle("Title") +
xlab("Date")+
ylab("Temperature (°C)")+
scale_y_continuous(breaks=seq(12,36,1))+
scale_color_manual(values=c("#053fff", "#ff7605"))

dev.off()