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ADXL345 accelerometer 3-Axis Digital Acceleration of Gravity Tilt module
NE555 Time Delay Monostable Switch Module Board
5V 2 Channel Relay Module For Arduino ARM PIC AVR
Data Logger OJ-XM1127 TF Card Read and Write Memory
one channel 5V low level solid state relay module with fuse 1 Channel SSR 220V2A
NE555 Pulse Frequency generator Duty Cycle Adjustable clock timer 1hz-200khz
Ultrasonic HC-SR04 Mount Holder ping sensor bracket
stethoscope school experimental science kit doctor STEM DIY
WS2812 RGB LED Breakout board module