Search found 217 matches

by seokgi
Tue Aug 19, 2025 6:18 am
Forum: General
Topic: ADS1115 I2c Read trouble
Replies: 2
Views: 402

ADS1115 I2c Read trouble

Hello. I have a question. I'm reading nine analog values using three ADS1115s. The ADS1115 inputs are connected correctly and the voltage output is accurate. I'm reading them using I2C, but the values aren't being written to the correct variables. I've tried reading them using both the voltage and r...
by seokgi
Tue Aug 12, 2025 4:07 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Re: Question about communication between two mcu via spi[Solved]

I would like to know the exact usage of TransactionArray.
by seokgi
Tue Aug 12, 2025 2:30 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Re: Question about communication between two mcu via spi

Thanks to your help, I've solved the problem.

I'm posting my project for your reference.
by seokgi
Mon Aug 11, 2025 9:20 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Re: Question about communication between two mcu via spi

When I send each variable to serial, the data does not come out correctly.

The order of each variable is .
123 124 125 126 127 128

This is the order in which the values of the variables are printed.
128 123 124 125 126 127

Thank you.
by seokgi
Mon Aug 04, 2025 10:06 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Re: Question about communication between two mcu via spi

One piece of data is read successfully.

However, the second piece of data is displayed as the requested local address.

Any other ideas?
by seokgi
Wed Jul 30, 2025 10:58 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Re: Question about communication between two mcu via spi

Here my project.

Thank you.
by seokgi
Wed Jul 30, 2025 7:07 am
Forum: General
Topic: Question about communication between two mcu via spi[Solved]
Replies: 13
Views: 3670

Question about communication between two mcu via spi[Solved]

Hello.

I want to communicate between MCUs (PIC24FJ512GA606, PIC18F45K40) via SPI.

I tried following the examples, but communication isn't working.

There are 12 data items.

If you could provide a simple example, I'll try to implement it.

Thank you.
by seokgi
Sat Jul 12, 2025 2:13 am
Forum: General
Topic: Ultra High Speed Data Acquisition mathod need advice!!
Replies: 1
Views: 3911

Ultra High Speed Data Acquisition mathod need advice!!

Hello? I have a question. I am trying to make a device that generates 16-bit analog data about 120,000 times per second, and the data is generated for about 2.5 seconds. I want to transfer the data generated here to a PC using MicroSD memory or serial communication. To store the data, I think I need...
by seokgi
Tue Jun 24, 2025 11:07 am
Forum: General
Topic: Help! Flash EEPROM Component
Replies: 3
Views: 3138

Re: Help! Flash EEPROM Component

What information should I provide?
No special messages will be generated.
I will post the project I wrote.
by seokgi
Tue Jun 24, 2025 10:36 am
Forum: General
Topic: Help! Flash EEPROM Component
Replies: 3
Views: 3138

Help! Flash EEPROM Component

Hello? I'm working on a project, but it doesn't work because I'm doing it wrong. If you have a simple example, I'd like to refer to it. MCU:PIC24FJ512GA606 Component:Flash EEPROM And when communicating with Modbus RTU Slave of RS-232 base, it keeps stopping (within 10 minutes). Other operations are ...