$14.97

5 PCS TM1637 0.56"" 4-Bit LED Clock Tube Display for Arduino Red/Blue/Green-

$8.99

5PCS IIC I2C Serial Interface Board Module LCD1602

$7.48

51 MCU Memory Exerciser Electronic DIY Production Board Soldering Practice

$5.54

NEW 5V 2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS

$3.91

DC 5V LM393 H2010 Photoelectric Correlation Count Infrared Sensor for Arduino-

$5.84

20 Pack - DC-DC Boost Step Up Converter 3.7V to 12V Voltage Regulator Lithiu3981

$6.37

Bluetooth 5.3 RF2.4G Microcontroller Multifunction Portable Low-Bluetoot9186-

$4

AC 50-220V 2000W High Power Voltage Regulator Switch Motor Speed Controller -

$23.12

4Pcs TPS77818PWPR HTSSOP-20 LDO Voltage Regulators Fast-Tran-Res 750-mA

$29.26

AC Filter for PCB Mounting in Aluminum Enclosure 5500.2025, 250V AC / 16A.

$9.2

10PCS SN75ALS197NSR SO-16 Bus Receivers 3 St Quad Diff Line

$2.76

Tcrt5000 5 Channel Infrared Reflective Sensor Kit Barrier Line Track Module