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RS232 serial
This powerful step-up/step-down regulator efficiently produces a fixed 9 V output from input voltages between 3 V and 30 V while allowing a typical output current of up to 2 A when the input voltage is close to the output voltage and offering typical efficiencies of 80% to 90%
Possible dead zone 0 - 4 cm (objects closer than 20 cm are detected as 20 cm)
and receive (RX)
dS1242 - 2 x 16A Ethernet Relaismodul TFT Display RS232 serialEthernet relay modules are designed for remote control and automation applications. These modules allow users to control electrical devices over a network using simple TCP IP commands. Specifications: Relay outputs: 2 Current load capacity per relay: 16A Serial Ports: 1 Digital switching IO channels: 4 Analog inputs: 2 Communication: USB for development, RJ45 Ethernet for normal access Power: 12 V DC jack (2. 1 mm) Documentation & Software: user
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