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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Power supply: USB 5V/1A
Working current: app
GPRS GSM GPS Shield based on the SIM808 GSM GPRS GPS all-in-one cellular phone module
Module size: 2
Relay Module 4 Channels - 5V) L7812CV Power supply: USB 5V/1AIntroduction : It is a 4 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.
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US$ 2325.46