Banggood.com
Scroll down the page to compare the IR Receiver price at different stores. TSOP4838 – IR Receiver module that operates at frequency of 38KHz. You can supply voltage between 2.7V and 5.5V.
$2.25
in stock
4 new
from $1.89
as of November 26, 2020 5:38 am
Amazon.com
Ebay.com
out of stock
as of November 26, 2020 5:38 am
Amazon.co.uk
out of stock
as of November 26, 2020 5:38 am
Amazon.de
out of stock
as of November 26, 2020 5:38 am
Amazon.es