JY-MCU mini_RTCpro DS3231 Arduino Compatible Precision Clock Module w/ Temperature
AT24CXX 32K I2C EEPROM memory / for AVR PIC 51 ARM
$8.94 FREE
GY-50 L3G4200D 3-axis Gyroscope/Gyro Sensor Module
I2C / Arduino compatible
$2.98 FREE
9V 1A Power Adapter
US plug / AC 100~240V
$2.99 FREE
Arduino Compatible HC-SR04 Ultrasonic/Sonar Distance Sensor Module
NewPing library compatible
$1.72 FREE
Expansion Board for Arduino Prototype Proto Shield
with mini bread board
$2.96 FREE
HY-SRF05 Ultrasonic Distance Measuring Sensor Module
blue / Arduino compatible
$2.15 FREE
Arduino Compatible HC-SR04+ Ultrasonic/Sonar Distance Sensor Module
3-5.5V working voltage / HC-SR04 updated version
$2.42 FREE
V5 Expansion Board for Arduino Prototype Proto Shield
w/ mini breadboard
$2.34 FREE
KEYES Arduino Compatible Magic Cup Light Modules (2-Pack)
2-PACK KY-027
$1.60 FREE
JY-MCU USB Serial Port Adapter
CP2102 chip / with LED indicator lights / Arduino compatible
$3.28 FREE
JY-MCU 8-Digit 7-Segment Numeric Display (Red) + 8 Push-button Keys + 8 Dual-Color LED Module
TM1638 display driver / chainable / JY-LKM1638
$7.27 FREE
JY-MCU HC-06 Bluetooth Wireless Serial Port Module
V1.07 / 3.3V level / Arduino compatible / 3.6-6V input / w/ 4P dupont line
$6.66 FREE
ULN2003 Stepper Motor Driver Module
dimensions: 40.5mm*21.3mm
$2.21 FREE
1602A 16*2 Lines White Character LCD Display Module (2-Pack)
2-PACK blue backlight / LCD1602 protocol
$4.31 FREE
2004A 20*4 Lines White Character LCD Display Module
blue backlight / 3.17'' LCD
$5.38 FREE
DC-DC 3-40V to 1.5-35V 3A Buck Converter Stepdown Module (10-Pack)
10-PACK LM2596S-ADJ / voltage adjustable switching / random color of the board
$8.39 FREE
Arduino Compatible 1-Channel 5V Relay Module
250V AC / 30V DC
$1.40 FREE