Mạch điện tử công nghiệp – CÔNG TY TNHH THƯƠNG MẠI DỊCH VỤ PHÚC THY https://phucthy.com Tất cả vì niềm tin khách hàng ! Tue, 20 Jan 2026 05:12:11 +0000 vi hourly 1 https://wordpress.org/?v=6.4.2 https://phucthy.com/wp-content/uploads/2023/12/icon.png Mạch điện tử công nghiệp – CÔNG TY TNHH THƯƠNG MẠI DỊCH VỤ PHÚC THY https://phucthy.com 32 32 RFIDA02: RS485 13.56MHz RFID Reader Writer https://phucthy.com/rfida02-rs485-13-56mhz-rfid-reader-writer/ Sat, 17 Jan 2026 06:17:40 +0000 https://phucthy.com/?p=1686 RS485 RS232 UART 13.56MHz RFID Reader Writer RC522 CV520 NFC UID IC Card

BO MẠCH ĐỌC GHI THẺ MIFARE GIAO TIẾP RS485

Features
Working frequency: 13.56MHZ
Support protocol: ISO/IEC 14443 A
Baud rate: optional, default 9600Bit/S
Working voltage: DC5V-18V
Working current: about 10mA
Appearance size: 45*38 *11mm
Weight : 8g
Communication interface: RS485, TTL (ORDER)
Status prompt: LED, buzzer
Function: select card number UID, read and write block data, sector encryption, value-added depreciation, etc.
Working mode: the default active card reading number once, can set active reading block, passive card reading number or block, etc.
Communication protocol: Please refer to the communication protocol document for the communication protocol
Supports MF1xxS20, MF1xxS70 and MF1xxS50 encryption in Read/Write mode
Supported card types: M1 S50, S70, UltraLight, Pro, Desfire, etc.

Link download: RFIDA02-1

]]> OP11A01 3-24V NPN PNP Signal Mutual Converter https://phucthy.com/op11a01-3-24v-npn-pnp-signal-mutual-converter/ Fri, 16 Jan 2026 17:09:26 +0000 https://phucthy.com/?p=1675 In 9-24V Out 3-8V 3-24V NPN PNP Signal Mutual Converter Logic Level Isolator

Tiếng việt:

Bo mạch điện tử chuyển đổi tín hiệu PNP 12VDC > 5.0/3.3 VDC

Description:

This is a one-channel photoelectric isolation module, which can realize NPN/PNP mutual conversion, and can realize any level conversion of 3-24V. It is a reliable MCU PLC input and output port isolation module.

Input level : 3-8V/9-24V two versions
Output level: 3-8V/9-24V two versions
Working current: 3-8V out version 4-7MA; 9-24V out version 6-12MA
Input signal type: NPN/PNP
Output signal type: NPN/PNP
Input signal current: 3-8V version 4-15MA; 9-24V version 3-9MA
Output signal current: 3-8V version 1-3MA; 9-24V version 2-5MA
Isolation voltage: 3000V
Signal frequency: <10KHz
Working temperature: -40-110 degrees Celsius
Conversion type: NPN to NPN; NPN to PNP; PNP to NPN; PNP to PNP
Size: 40*17*18MM
Weight: 8.2 grams

]]> DNESP32: DIN Rail Mount Screw Terminal Block Adapter Module 3.96 Connector For ESP32S ESP-WROOM-32 DevKitC https://phucthy.com/dnesp32-din-rail-mount-screw-terminal-block-adapter-module-3-96-connector-for-esp32s-esp-wroom-32-devkitc/ Fri, 16 Jan 2026 17:01:53 +0000 https://phucthy.com/?p=1670 DIN Rail Mount Screw Terminal Block Adapter Module 3.96 Connector For ESP32S ESP-WROOM-32 DevKitC

Tiếng việt:

Bo mạch điện tử lắp đặt cho chip IoT ESP32

Illustrate:
Terminal spacing: 3.96mm.
Terminal Blocks: Wire Range 26-16AWG, Strip Length 3.96mm, Metric M2/M2.5 Slotted Screws.
Size: 58*72 * 8mm(only Board);61*85 *37mm(with Rail Box)
Weight: 36.5g(only Board),90g(with Rail Box)
Use:
DIN Rail Mount Screw Terminal Adapter Module for ESP-32S ESP-WROOM-32 ESP32 WIFI Dual Core CPU Development Board.
With this adapter modules, you can easily extend your ESP32 DevKitC projects to industrial control applications.
Notice:
This product does not include the ESP32 DevKitC Board
DIN rail Box parameters:
Product model: UM72
Color: Green
Width: suitable for PCB board width UM72(72mm)
Insulation grade: flame-retardant VO grade
Backplane length: suitable for 58 mm PCB boards
Net weight: 53.5g
Installation: DIN35 and C45 rail

]]> DB9MB03_R: 3 x Male Riveting DB9 to 3 Pin Out Board (RXD TXD GND) https://phucthy.com/db9mb03_r-3-x-male-riveting-db9-to-3-pin-out-board-rxd-txd-gnd/ Fri, 16 Jan 2026 16:54:50 +0000 https://phucthy.com/?p=1666 3 x Male Riveting DB9 to 3 Pin Out Board (RXD TXD GND)

Tiếng việt:

Bo mạch điện tử kết nối cổng DB9

Description:

DB9 to 3 PinOut Board (RXD TXD GND);

Terminal spacing 5.08MM, screw hole diameter 3MM, need to use a width of 3MM screwdriver for assembly;
Adapter used for communication debug

3 signal line ( RXD TXD GND) lead out, name and number clearly labeled;

All-copper DB9 seat, anti-oxidation, better contact;

KB military board , three anti-paint spray in entire board, corrosion-resistant;

Size : 31 x 29 x 16 mm
Weight : 13g

Application

RS232 RS485 RS422 Adapter
PLC communication
For Arduiuo UNO MEGA2560
Smart Home,Home Automation ,Wiser Home;
PTZ CCTV Camera
Security Monitoring
Identification system;

]]> R421A08: 08 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board https://phucthy.com/r421a08-08-channel-dc-12v-rs485-relay-module-modbus-rtu-485-remote-control-switch-board/ Fri, 16 Jan 2026 16:50:14 +0000 https://phucthy.com/?p=1663 08 Channel DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board

Tiếng việt:

Bo mạch điện tử điều khiển 8 rờ le, truyền thông Modbus RS485

Description:
1: DC 12V power supply (voltage range 9-13V )
2: Standby current (all relays closed) 12MA, 1 relay open 40MA, 2 relays open 67MA, 3 relays open 95MA,4 relays open 121MA,5 relays open 147MA,6 relays open 173MA, 7 relays open 198MA,8 relays open 223MA
3: ”open” ”close” ”Momentary” ”Self-locking” ”Interlock” ”Delay” 6 Commands
4: MODBUS RTU command
5: Under the ”Delay” command ,the maximum delay is 255 seconds
6 MODBUS commands can be made serial HyperTerminal (serial assistant) OR ”Modbus Poll” Enter.
7 Under the MODBUS command mode, it can support up to 64 devices in parallel
8 Size: 90 * 62 * 19.5mm
9 Weight: 115 g
10 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
For more information, please contact me
Application
Automated industry PLC
Smart Home,Home Automation ,Wiser Home;
PTC Camera
Security Monitoring
Identification system;
Motor FW & BW
Typical applications:

MODBUS RTU command mode (HEX), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control

Link download:

R421A08-1

]]> 23IOB16_NPN(_R): 16CH Multifunction RS485 Remote IO Module, Standard MODBUS RTU Protocol (DC 6.5V-30 V) https://phucthy.com/23iob16_npn_r-16ch-multifunction-rs485-remote-io-module-standard-modbus-rtu-protocol-dc-6-5v-30-v/ Fri, 16 Jan 2026 16:31:57 +0000 https://phucthy.com/?p=1653 16CH Multifunction RS485 Remote IO Module,  Standard MODBUS RTU Protocol

(DC 6.5V-30 V)

Option: With Rail Box

Tiếng việt:

Bo mạch điện tử đa dụng 16 kênh NPN, truyền thông Modbus RS485 each channel is 300MA

Description:
1 Working voltage: DC 6.5-30V (9V 12V 24V)
2 Working current: 8-50MA3 16 optically isolated input ports, NPN input4 16 Darlington transistor outputs (ULN2803 NPN output)5 The default command has a variety of output modes: ”open” ”close” ”Momentary” ”Self-locking” ”Interlock” ”Delay” 6 Commands6 The input port can remotely control output port of another board via RS485 bus (relevant registers must be set)7 MODBUS command 1 supports 03 06 16 function codes, MODBUS command 2 supports 01/02/03/05/06/15/16 function codes

8 The maximum delay of 1 MODBUS command is 255 seconds

9 In MODBUS command mode, up to 64 devices can be used in parallel

10 The default baud rate is 9600BPS, you can choose the baud rate by jumper:
1200/2400/4800/19200/38400/57600/115200BPS

11 Sizes (with box): 130x80x30mm

12 Weight (with box): 148g

13 Maximum load: the maximum load current of each channel is 300MA

Xem demo sản phẩm, và tải hướng dẫn, protocol theo Link youtube bên dưới:
https://www.youtube.com/watch?v=2kc1MOTLhSg

For more information, please contact me
Application
PLC IO expansion board
Smart Home,Home Automation ,Wiser Home;
PTZ Camera
Security Monitoring
Identification system;
IP Camera
LED Lamp Drivers
Automatic curtain control
]]> R4PIN08_4DI-4DO: DC 5V 8CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control https://phucthy.com/r4pin08_4di-4do/ Fri, 16 Jan 2026 16:13:00 +0000 https://phucthy.com/?p=1645 Bo mạch điện tử điều khiển tín hiệu số 4in, 4out 5VDC, truyền thông Modbus RS485

DC 5V 8CH RS485 2.54mm Pin Core Board Modbus Rtu Input and Output Control

Description:
1 Power supply1: DC 6-25V(anti-reverse);Power supply2: DC 4-5V(reverse connection prohibited)
2 Working current: 7-13MA;
3 MODBUS RTU function codes: Write 05/06/15/16, Read 01/02/03
4 Five function IO modes can be selected by jumper: 8DI/8DO/4DI-4DO/2DI-6DO/6DI-2DO
5 By modifying the 0X00F5/0X00F6 register, the input and output levels (NPN/PNP) can be switched
6 Input mode: Support 3.3V/5V TTL level input, there are two input modes of low level input (default) and high level input
7 Output mode: 5V TTL level, low level (default) / high level output
8 In MODBUS command mode, it can support up to 247 devices in parallel
9 Input port status supports query (default) and automatic reporting
10 BaudRate:1200 2400 4800 9600(default) 19200 38400 57600 115200, None/Odd/Even Parity
11 2.54MM pin header interface, easy to use Dupont wire or breadboard connection
12 Size: 30*25.4*2mm(Very Small and Very Thin)
13 Weight: 3grams(Very Light)

Khi mua sản phẩm sẽ được gởi PROTOCOL giao tiếp.

Link download tài liệu: R4PIN08-1

Xem DEMO:

]]>