ESP32 C3 Expansion Board 4AI-4DO RS485 Relay Module 3.7-25V with MQTT Ethernet IoT for Arduino PLC Industrial Automation Smart Home DIY Projects (5V RS485 TS)
Product details
| Management number | 246985210 | Release Date | 2026/08/16 | List Price | US$7.96 | Model Number | 246985210 | ||
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Product Name:DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCUPacking list:1 pcs R46CA01 RS485/TTL232 Temperature sensor Board(Please choose the version you need)Description :Working voltage :A/B 5V Version : DC 3.7-5.5V; C 12V Version : DC 6-25VWorking current:5-8MANO : no DS18B20 temperature sensor; TS : with DS18B20 temperature sensorA: 5V version TTL232 interface;B: 5V version RS485 interface; C: 12V version RS485 interfaceMODBUS RTU protocol,03 Read,06Write.Serial baud rate:9600（default）,N,8,1By modifying the RS485 address, up to 247 module s can be connected (more than 16 US ether485 repeater)Temperature sensor is DS18B20Measures Temperatures from -55°C to +125°C(-67°F to +257°F)±0.5°C Accuracy from -10°C to +85°CSize:A/B Version 30X15X3.5mm; C Version 30X15X6mmWeight:no DS18B20 1.4-1.9g,with DS18B20 1.9-2.2gFor more information, please contact us!!!Typical application:Thermostatic ControlsIndustrial SystemsConsumer ProductsThermometersThermally Sensitive SystemsIndoor and outdoor temperature measurementTemperature in vegetable gardenWeather forecasting, and monitoringTemperature in Computer RoomWarehouse temperature
- Working voltage :A/B 5V Version : DC 3.7-5.5V; C 12V Version : DC 6-25V
- Working current:5-8MA
- NO : no DS18B20 temperature sensor; TS : with DS18B20 temperature sensor
- A: 5V version TTL232 interface;B: 5V version RS485 interface; C: 12V version RS485 interface
- Choose 5V TTL232 (A), 5V RS485 (B), or 12V RS485 (C) versions for Arduino/PLC/MCU integration. Operates at 3.7-25V DC with Modbus RTU protocol for industrial scalability. High-Precision & Wide Range DS18B20 sensor delivers ±0.5°C accuracy (-10°C~+85°C) and extreme -55°C~+125°C tolerance. Supports daisy-chaining 247 modules via RS485 (9600bps default). Ultra-Compact for IoT & Automation 30mm lightweight design (1.4-2.2g) for thermostats, agriculture monitoring, warehouses, and PC rooms. Plug-and-play with TTL/RS485/PC systems at 5-8mA low power.
| UPC | 753763304143 |
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| ASIN | B0DY1TWY2R |
| Brand Name | eletechsup |
| Part Number | R46CA01 |
| Manufacturer | eletechsup |
| Included Components | R46CA01 RS485/TTL232 Temperature sensor Board |
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