Applications
- Home Automation
- Lighting Control
- Garden Equipment Control
- Industrial Automation
- Test Fixtures
- DIY and Hobby
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Numato Lab’s RXE001 – 16 Channel DIN Rail compatible Modbus RTU/TCP Relay Module with Digital Inputs and Analog Inputs supports Modbus RTU over USB and RS485 and Modbus TCP over Ethernet. This product has 16 Relays (Dry Contacts) and 8 Digital Inputs, and 8 Analog Inputs. Out of 8, 3 Analog Inputs have a polarity that makes this device more useful in industries. The RS485/USB/Ethernet host interface makes connecting this device to any Windows, Linux, Mac machines or embedded computers such as RPi an easy task. Meanwhile, support for industry-standard Modbus protocol makes it easy to use this device with almost any automation software that supports Modbus – RTU/TCP. RXE001 when RTU model connected to a host computer, is enumerated as a regular serial port. This alleviates the difficulty of working with the USB protocol and offers a transparent interface to access the device. RXE001 acts as a Modbus slave device. Flexible DIN Rail mounting system allows easy installation and removal with screws. RXE001 supports several features such as Relay Timer, Safety Timer (Watchdog), Programmable Power-On State, etc.
Features
The Automatic Watering System provides an efficient, reliable, and convenient way to maintain soil moisture levels without human intervention. By using sensors and a microcontroller, the system ensures that plants receive the right amount of water at the right time, reducing water wastage and promoting healthy plant growth. It is an eco-friendly solution that saves time, energy, and resources, making it ideal for both domestic and agricultural use.
A heartbeat detector is an essential device for monitoring heart health, providing real-time data about a person’s pulse rate. Whether in a hospital, gym, or a DIY electronics project, it demonstrates how biomedical signals can be measured and processed using sensors and electronics. It’s a valuable tool for both personal health awareness and professional medical diagnostics.
An AND gate can be built using BC547 NPN transistors, a common general-purpose transistor used in digital circuits.
The circuit represents both the inputs A & B for the AND gate and Output, Q, which also has a +5V supply to the collector of the first transistor, which is connected in series to the second transistor, and an LED is connected to the emitter terminal of the second transistor. The inputs A & B are connected to the base terminal of Transistor 1 and Transistor 2, respectively, and the output Q goes to the positive terminal LED.
An XOR (Exclusive OR) gate is a digital logic gate that outputs true (1) only when the number of true inputs is odd. For two inputs, the output is high when the inputs are different. XOR gates can be constructed using basic logic gates or directly with transistors (BJT or MOSFET). Using transistors, we can design compact, efficient circuits for custom digital logic applications.
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