๋ณธ๋ฌธ ๋ฐ”๋กœ๊ฐ€๊ธฐ

์‹œ๋ฆฌ์–ผํ†ต์‹ 2

๋น›์˜ ๋ฐ๊ธฐ์— ๋”ฐ๋ฅธ ์˜ค๋ธŒ์ ํŠธ ํฌ๊ธฐ ๋ณ€๊ฒฝ flow ์•„๋‘์ด๋…ธ์™€ ๋ผ์ดํŠธ ์„ผ์„œ๋ฅผ ์—ฐ๊ฒฐํ•˜์—ฌ ๊ฐ’์„ ํ™•์ธํ•จ. ์„ผ์„œ์˜ ๊ฐ’์„ ์‹œ๋ฆฌ์–ผํ†ต์‹ ์œผ๋กœ ์ „์†ก processing์—์„œ ์„ผ์„œ์˜ ๊ฐ’์„ parsingํ•จ ์„ผ์„œ์˜ ๊ฐ’์ด ์ปค์งˆ์ˆ˜๋ก ์ •์œก๋ฉด์ฒด์˜ ํฌ๊ธฐ๊ฐ€ ์ปค์ง ์•„๋‘์ด๋…ธ code int light = 0; void setup() { // put your setup code here, to run once: Serial.begin(9600); } void loop() { // put your main code here, to run repeatedly: light = analogRead(A1); Serial.print(light); Serial.print(","); delay(500); } processing code import processing.serial.*; Serial .. 2019. 11. 26.
485 Serial ํ†ต์‹ ํ•˜๊ธฐ 1. ์ค€๋น„๋ฌผ (1) TTL to RS485 ์ž๋™ ํ๋ฆ„์ œ์–ด ์ปจ๋ฒ„ํ„ฐ ๋ชจ๋“ˆ [SZH-CVBE-010] (2) ์•„๋‘์ด๋…ธ ๋‚˜๋…ธ (Slave#1 ์—ญํ• ) (3) ์•„๋‘์ด๋…ธ ๋ฉ”๊ฐ€ (Slave#2 ์—ญํ• ) (4) ๋ผ์ฆˆ๋ฒ ๋ฆฌํŒŒ์ด (Master ์—ญํ• ) ์•„๋ž˜์˜ ์‚ฌ์ง„์€ TTL to RS485 ์ปจ๋ฒ„ํ„ฐ. Max 485๋กœ๋„ ์‹œ๋„ํ•ด๋ดค์œผ๋‚˜ ์•„๋ž˜ ์ปจ๋ฒ„ํ„ฐ๊ฐ€ ๋” ์‹ฌํ”Œํ•˜๊ณ , ์ถ”๊ฐ€์ ์ธ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ์…‹ํŒ…๋„ ํ•„์š”์—†์–ด ๊ฐ„ํŽธํ–ˆ๋‹ค. 2. ์—ฐ๊ฒฐํ•˜๊ธฐ ์•„๋‘์ด๋…ธ ๋‚˜๋…ธ, ๋ฉ”๊ฐ€, ๋ผ์ฆˆ๋ฒ ๋ฆฌํŒŒ์ด RS485 ์ปจ๋ฒ„ํ„ฐ ๋ชจ๋“ˆ GND GND Vcc(5v) VCC Tx RXD Rx TXD RS485 ์ปจ๋ฒ„ํ„ฐ ๋ชจ๋“ˆ์˜ D-/B, D+/A, GND ๋ผ๋ฆฌ ๊ฐ๊ฐ ์—ฐ๊ฒฐํ•ด์ค€๋‹ค. 3. ๋™์ž‘ ๋ฐฉ์‹ ์‹œ๋ฆฌ์–ผ ํ†ต์‹ ์ด๋ผ๊ณ  ํ•˜๋Š” ๊ฒŒ TCP/IP ์ฒ˜๋Ÿผ ํŠน์ • ๋””๋ฐ”์ด์Šค์—๋งŒ ๊ฐ’์„ ์š”์ฒญํ•˜๋Š”๊ฒƒ์€ ๋ถˆ๊ฐ€๋Šฅํ•˜๋‹ค. ๋Œ€๋ถ€๋ถ„์˜ ์‹œ๋ฆฌ.. 2019. 4. 18.