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3 Pcs 1A DC 5V 6V 9V 12V 24V to 3.3V DC-DC Step-Down Buck Converter Regulator Module for esp8266 ds18b20 dht22 nrf24l01

USD 4.74USD 4.99

3 Pcs 1A DC 5V 6V 9V 12V 24V to 3.3V DC-DC Step-Down Buck Converter Regulator Module for esp8266 ds18b20 dht22 nrf24l01

Description
Specification
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