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DIY experiment
3D printed PLA case for Oled display 2
SPI Flash: 32M Bit
★2 in 1 Tester :Battery monitoring alarm tester
Relay module #Connectivity DIY experimentDescription Ideal for single chip microcomputer, household appliance control, etc Control DC AC signal, can control 220V AC load One normally closed contact and one normally open contact Triode drive, increasing relay coil High impedance controller pin Pull down circuit for avoidance of malfunction Power supply indicator lamp Control indicator lamp Channel: 2 channel TTL Control Signal: 5V 12V Relay Voltage: 5V.
