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2pcs/lot ATMEGA128 development board test board empty plate SMD components soldered contact plate empty PCB board
Amy Electronic Store 2pcs/lot ATMEGA128 development board test board empty plate SMD components soldered contact plate empty PCB board
US $14.23
Ppm concentration quality 51 microcontroller STM32 greenhouse EY01 air CO2 sensor carbon dioxide
Amy Electronic Store Ppm concentration quality 51 microcontroller STM32 greenhouse EY01 air CO2 sensor carbon dioxide
US $8.98