2pcs Hc-05 Wireless Bluetooth RF Transceiver Module for TTL Serial Rs232 Arduino

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4.9average based on 13 product ratings
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  • Get it by Sat, Feb 2 - Sat, Feb 23 from 深圳市, 广东省
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TTL level: usually data that binary, provides 5V is equivalent to the logic "1", 0V is equivalent to the logic "0", known as the TTL signal system is positive logic. RS232 level: -12V to -3V, equivalent to logic "0", 3 V to 12 V logic level, equivalent to the logic "1", is a negative logic.
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2pcs Hc-05 Wireless Bluetooth RF Transceiver Module for TTL Serial Rs232 Arduino

Brand new: lowest price

$6.27

+ $2.39 Shipping
Was $6.60 Save 5%