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.
$2.86
in stock
3 new
from $1.90
as of September 15, 2020 7:06 pm
Amazon.com
Ebay.com
€2.71
in stock
1 new
from €2.71
as of September 15, 2020 7:06 pm
Amazon.es
€2.83
in stock
1 new
from €2.83
as of September 15, 2020 7:06 pm
Amazon.de
£2.76
in stock
2 new
from £2.76
as of September 15, 2020 7:06 pm
Amazon.co.uk