

TTL to RS485 module, RS485 to TTL signal, single-chip serial port, UART, lightning protection hardware, automatic flow direction control The power supply of this product is wide voltage (3.0V ~ 30V), which realizes the compatibility between 3.3V system and 5.0V system, and both 3.3V and 5.0V signals can be matched. This product is equipped with wiring terminals and silicone wire, used for direct wiring. All imported chips are used. It has powerful performance, lightning protection design, strong anti-interference ability, industrial grade! It realizes the automatic flow direction control of the RS485 signal and the automatic switching of the sending and receiving directions. Using this module is as simple as operating the serial port. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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To achieve the RS485 signal automatic flow control, send and receive direction automatically switch, use this module with your operation as simple as the serial port
Baud rate: 110 ~ 256000bps
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General Specification | |
Operating Voltage (VDC) | 3 ~ 30 |
Compatible Signals | 3.3V and 5.0V |
Working Temperature Range (°C) | -40 to 85 |
Baud Rate | 110 to 256000bps |
Length (mm) | 52 |
Width (mm) | 24 |
Height (mm) | 6 |
Weight (gm) | 10 |
Shipment Weight | 0.015 kg |
Shipment Dimensions | 8 × 6 × 2 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x TTL to RS485 Power Supply Converter Board 3.3V 5V Hardware Auto Control Module.
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The latest price of TTL to RS485 Converter 3.3V/5V Hardware Automatic Control Converter Module in Bangladesh is BDT 980 You can buy the TTL to RS485 Converter 3.3V/5V Hardware Automatic Control Converter Module at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0389
Adopt imported controller PL2303HX, which can stabilize the flash with high speed 500mA self-recovery fuse for protection Two data transmission indicator can monitor data transfer status in real time Reserve 3.3V and 5V pin interface, easy for the DDWRT of different voltage system that needs power The entire board is coated by the high quality transparent...
Reference: RBD-0560
On-board MAX485 chip, A low power consumption for the RS-485 communication, slew-rate limited transceiver. A low power consumption for the RS-485 communication Onboard then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring. Slew-rate limited transceiver All pins of the chip have been lead to can be controlled through the...
Reference: RBD-0658
Standard interface layout, compatible with a variety of Arduinos such as the Pro Mini Original FTDI FT232 chip, stable performance USB power has current protection, using 500MA self-restore fuse RXD/TXD transceiver communication indicator With power, sending, receiving indicator, working status LED indicators Mini USB Port Connection Support 3.3V, 5V...
Reference: RBD-1578
Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page
Reference: RBD-1770
Brand new and high quality Included USB transceiver, without external circuit device With 3.3V and 5V dual power output With three LEDs: power indicator, data reception indicator, the data transmission indicator, working status Meets the USB2.0 specification requirements With self-recovery fuse. In the event of the accidental short circuit, it can...
Reference: RBD-1870
Compatible with 3.3V and 5.0V power supply. Compatible with 3.3V and 5.0V signal. Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm. Has RXD, TXD signal indicator light, monitor send and receive status.
Reference: RBD-1916
IC Chip: MAX3232 Operating Voltage: 3.3-5.5V It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU Pre-assembled compact size board Suitable for use with most microcontrollers Operates up to 250 kbit/s
Reference: RBD-1671
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Reference: RBD-1680
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Reference: RBD-2205
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Reference: RBD-1772
Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150
Reference: RBD-1087
Uninterruptible Power Supply Mini UPS Modem, Router, CCTV Camera and Lighting 6000mAh 22.2W
Reference: RBD-0960
Voltage range: 100-240V AC Color: White Remote Control Monitor Energy Usage Historical Energy Consumption Overload Protection Measure Power Usage for a Period Sync Status Timing Function Share Control Smart Scene APP Supported Check out New Product Sonoff POWR320D Elite Smart Power Meter Switch
Reference: RBD-0707
Temperature measuring range: -10'C~+50'C (14'F~122'F) Humidity measuring range: 25%RH~98%RH Accuracy: ±1'C / ±5%RH With 150cm sensing cable 'C/'F switchable
Reference: RBD-1330
High-quality BTA16-600B TRIAC AC Voltage: 220V/110V; 50/60Hz Rated current: 5A Logic: 3.3V/5V Peak Operating Current: 8A
Reference: RBD-2060
3.5 Inch IPS TYPE-C Secondary Screen CPU GPU RAM HDD Monitoring USB Display
Reference: RBD-1016
Power Supply: 90-250V AC Max Current: 16A(2 gang),10A(1 gang) Max Power: 3500W(2 gang) / 2200W(1 gang) Product Dimensions: 114*52*32mm Color: White Frequency: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK
Reference: RBD-0708
Large LCD display shows big Digital Numbers Temperature, Humidity and Time can be seen simultaneously. It has Stand to use as table-top or Hook for placing on the wall. Integral-hour alarm function Time, Date & Month display Low Power Consumption
Reference: RBD-1176
Power supply: 90V~250V AC(50/60Hz) Max. Current: 10A Remote turn on/off connected device. Support checking real-time device status on APP. Support scheduled/countdown/loop timing tasks. Setting scene to turn on/off a group of devices in the same account. Setting scene to trigger on/off the other device by status changes
Reference: RBD-1336
Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay Transmission Distance : 400m (max) Relay : 5V,10A/250V AC 10A/30V DC Baud Rate: 9600. Diode effusion protection; Short...
Reference: RBD-1337
Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600 Note: Relay might be different from the picture as per stock
Reference: RBD-1348
Easy to install. Automatic, convenient, safe and practical. It has the function of power and detection indication. The motion sensor can identify day and night automatically.
Reference: RBD-1726
DS1302 RTC Rotating LED Display Alarm Electronic Clock Module LED Temperature Display
Reference: RBD-1597
Long Service life and high Reliability Reduced Electromagnetic Interference Highly reliable, compact size designed to offer users maximum simplicity Trigger Voltage: 3-32VDC Switching Voltage: 24-380VAC@40A
Reference: RBD-1526
Can control up to 2 device 220V Model : T3EU2C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-1920
Compared with electromagnetic relay products, the service life is longer. This product can realize fast switching of the circuit, and the number of switching is unlimited. Most equipment can use this product as it is very convenient; The interface is clear and simple, powerful, easy to understand, and almost meets all your needs. The module is featured...
Reference: RBD-1331
High-quality BTA16-600B TRIAC AC Voltage: 220V/110V; 50/60Hz Rated current: 5A Logic: 3.3V/5V Peak Operating Current: 8A
Reference: RBD-1525
Can control up to 3 device 220V Model : T3EU3C Remotely control devices through a phone Turn on/off devices with Amazon Alexa and Google Assistant Touch control buttons for convenient operation Set a particular time to turn on/off devices Customize one or groups of SONOFF devices to turn on/off with a simple tap Allow you to manage devices when there is...
Reference: RBD-1672
Model Number: P06 Product Name: PIR Sensor Indoor Communication: greater than 20 Meters Detect Angle Side View: 128 degrees Detect Angle Down View: 128 degrees Detect distance: 10 Meters<
Reference: RBD-1675
Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0
Reference: RBD-1566
Long distance APP remote control via WIFI; Support routing mode (AP) and LAN connection mode (STA); Support almost every kind of one-wire or two-wire LED driver IC; Brightness adjustable, with 180 kinds of patterns and 8 kind of color adjustable patterns;
Reference: RBD-1535
Multiple Outputs: 5V+12V+12V Constant DC output, long backup time up to 6 hours Intelligent circuit design with over-charging, over-discharging and short circuit protections Suitable for 95% DC/USB digital products, such as: modem, router, CCTV camera, mobile phone etc.
Reference: RBD-0264
Brand: SparkFun Electronics
Lockitron Mechanical Assembly The Lockitron Mechanical Assembly from SparkFun is a perfect solution for the DIY home automation or Internet of Things (IoT) enthusiast, whether you want to make your life easier by not awkwardly fumbling with keys or add some extra security in your home with three-factor authentication.
Reference: RBD-1015
Power Supply: 90V~250V AC(50/60Hz) Max. Current: 10A/gang Max. Power:2200W/gang, 2200W/Total Wireless Standard: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Enclosure Material: Fire-retardant ABS V0
Reference: RBD-1866
High Sensitivity PIR Sensor 360 Degree IR Infrared Motion Sensor Light Switch AC 110V-240V Ceiling Recessed PIR Switch Detector
Reference: RBD-0442
Holding force: 0.25 kg Energized forms: intermittent Unlocking time: 1s Dimensions: 27 x 29 x 18 mm (LxWxH) High quality ultra-compact electric lock. RoboticsBD
Reference: RBD-2124
The Sonoff POWR320D Elite Smart Power Meter Switch allows you to monitor and track the energy consumption of connected electrical appliances in real-time. You can control the switch and monitor energy usage from anywhere using the app on your smartphone or tablet. By monitoring energy consumption, you can take steps to improve energy efficiency and reduce...
Reference: RBD-1876
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 1.8. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. Model: HS 121800 This adapter is available in two colors, and the color will be shipped randomly.
Reference: RBD-0579
Quad-band 850/900/1800/1900MHz GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load) GPRS mobile station class B Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands) Supports charging control for Li-Ion battery Supports Real-Time Clock Integrated GPS/CNSS and supports A-GPS Low power consumption, 10mA in sleep...
Reference: RBD-0560
On-board MAX485 chip, A low power consumption for the RS-485 communication, slew-rate limited transceiver. A low power consumption for the RS-485 communication Onboard then 5.08 (mm) pitch 2P terminal to facilitate RS-485 communication wiring. Slew-rate limited transceiver All pins of the chip have been lead to can be controlled through the...
Reference: RBD-1039
The module was recycled from a mobile phone so you can say it is used. TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. In recent years...
Reference: RBD-2268
Features WiFi+Bluetooth connectivity with the ESP-WROOM-32 module Accessible I/O pins via extension headers for easy customization Onboard USB CH340 for convenient programming and debugging 2x keys for reset or user-defined functions ESP32S-DEV development board is a cost-effective solution for a wide range of applications.A high-quality USB cable is...
Reference: RBD-1138
Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v
Reference: RBD-1335
Based on ST7920 Resolution: 128 X 64 pixels Operating voltage: 5V Viewing Area: 72mm x 40mm Display mode TN/STN