As a verb meaning "to sell" or "to promote":
* The street vendor was peddling cheap souvenirs to tourists.
* The politician was peddling false promises to win votes.
* The company is peddling a new line of eco-friendly products.
As a verb meaning "to ride a bicycle":
* I like to peddle my bike along the beach.
* She peddled furiously to keep up with the group.
* He peddled slowly, enjoying the scenery.
As a noun meaning "a foot-operated lever":
* The bicycle's peddles were covered in mud.
* He pushed down on the peddles with all his might.
* The peddles were worn down from years of use.
Let me know if you'd like more examples!