Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -64,7 +64,7 @@ 64 64 ))) 65 65 66 66 * ((( 67 -STM32L072 CZT6MCU67 +STM32L072xxxx MCU 68 68 ))) 69 69 * ((( 70 70 SX1276/78 Wireless Chip ... ... @@ -1550,8 +1550,10 @@ 1550 1550 === 3.6.3 Digital Output Port: DO1/DO2 /DO3 === 1551 1551 1552 1552 1553 -NPN output: GND or Float. Max voltage can apply to output pin is 36v. 1553 +**NPN output**: GND or Float. Max voltage can apply to output pin is 36v. 1554 1554 1555 +Note: DO pins go to float when device is power off. 1556 + 1555 1555 [[image:1653357531600-905.png]] 1556 1556 1557 1557 ... ... @@ -1592,7 +1592,9 @@ 1592 1592 1593 1593 1594 1594 ((( 1595 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below: 1597 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below: 1598 + 1599 +**Note**: RO pins go to Open(NO) when device is power off. 1596 1596 ))) 1597 1597 1598 1598 [[image:image-20220524100215-9.png]]