arduino

FreeRTOS operating system for Arduino, running multiple processes in parallel
30 Jun 2021

FreeRTOS operating system for Arduino, running multiple processes in parallel

by VanKhuong | posted in: Microcontroller | 0

1. Introduction In the previous post, I showed you how to use timer interrupt to create multi-process, today I will show you a simpler way to create multi-process. That is using the FreeRTOS operating system. مراهنات كرة قدم FreeRTOS Real Time Operating … Continued

arduino, freertos, VanKhuong
Turn Smartphone into HMI, control Arduino Uno with “HMI Modbus Free” software via Modbus RTU
29 Jun 2021

Turn Smartphone into HMI, control Arduino Uno with “HMI Modbus Free” software via Modbus RTU

by VanKhuong | posted in: Microcontroller, PLC | 0

1. Prepare Arduino Uno Micro USB OTG Cable HMI Modbus Free software download on CH Play Here, I put the rheostat on pin A0 and Led 12 2. Arduino Programming You see my previous post and follow, remember to test … Continued

arduino, hmi, modbus, VanKhuong
Make your own Arduino Atmega328p SMD circuit
29 Jun 2021

Make your own Arduino Atmega328p SMD circuit

by VanKhuong | posted in: Electronic, Microcontroller | 0

Prepare 1 Arduino board DIP. To load Bootloader and code for the board you made. A complete code project on the Arduino IDE. Since it is quite laborious and time consuming to load the code into the board yourself, you need to complete … Continued

altium, arduino, atmega328p, bootloader, gerber, QuyThong, smd, smd soldering, VanKhuong
Communication Modbus Arduino Master with S7-200 Slave by RS485
29 Jun 2021

Communication Modbus Arduino Master with S7-200 Slave by RS485

by VanKhuong | posted in: Microcontroller, PLC | 0

Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. إلعب واربح Here you do not need to attach the resistor. Then attach DB9 port to Port 0 of … Continued

arduino, modbus, S7-200, TrungNam, VanKhuong
Send data from Arduino to S7-200 using RS485 without Modbus
29 Jun 2021

Send data from Arduino to S7-200 using RS485 without Modbus

by VanKhuong | posted in: Microcontroller, PLC | 0

Prepare UART TTL to RS485 . communication circuit DB9 port You wire as shown. Here I use S7-200 CPU226 with 2 communication ports. ربح المال من الانترنت مجانا Here you do not need to attach the resistor. Then attach DB9 port to … Continued

arduino, modbus, RS485, S7-200, VanKhuong
Communication Modbus Arduino as Slave
29 Jun 2021

Communication Modbus Arduino as Slave

by VanKhuong | posted in: Microcontroller, PLC | 1

Modbus is an industrial communication protocol standard that operates on the principle of “Master – Slave”. One Master can connect to many Slaves. Currently, most industrial devices use Modbus, so in order for the arduino to communicate with PLCs, HMIs, inverters, etc. … Continued

arduino, modbus, Modbus Poll, RS485, TrungNam, VanKhuong
How to use Timer interrupt on Arduino Uno
29 Jun 2021

How to use Timer interrupt on Arduino Uno

by VanKhuong | posted in: Microcontroller | 0

Normally when programming for arduino you only run 1 process in the loop function. But with more complex projects that will require the use of Timer interrupts. The most commonly used is to read the sensor value after a fixed period of … Continued

arduino, interrupt, timer, TrungNam, VanKhuong
Storing bytes, int, float, String values ​​on Arduino without losing data when power supply is stopped  with EEPROM memory
28 Jun 2021

Storing bytes, int, float, String values ​​on Arduino without losing data when power supply is stopped with EEPROM memory

by VanKhuong | posted in: Microcontroller | 0

EEPROM is a non-volatile memory chip commonly used in computers and mobile devices to store a small amount of data that needs to be modified. EEPROM belongs to the category of “memory that does not lose data when power is stopped”. … Continued

arduino, VanKhuong

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