Max maxpromer

Owner & Developer & Maker, Do all about electronics

maxpromer / ESP32-I2S-sinewave.ino

Created February 26, 2026 08:27

	#include <driver/i2s.h>
	#include <math.h>

	// ─── กำหนดขา I2S ───────────────────────────────────────
	#define I2S_BCK_PIN 26 // Bit Clock
	#define I2S_WS_PIN 25 // Word Select (LRCK)
	#define I2S_DATA_PIN 22 // Data Out → DIN ของโมดูล

	// ─── พารามิเตอร์เสียง ────────────────────────────────────
	#define SAMPLE_RATE 44100

maxpromer / ESP32-audioI2S_test.ino

Created February 26, 2026 08:26

maxpromer / Relay2CH_Modbus_Test.ino

Created January 6, 2026 03:02

	#define DE_RE_PIN 4
	#define MODE_SEND HIGH
	#define MODE_RECV LOW

	void setup() {
	pinMode(DE_RE_PIN, OUTPUT);
	digitalWrite(DE_RE_PIN, MODE_RECV);

	Serial.begin(115200);
	Serial2.begin(9600, SERIAL_8N1, 16, 17); // Rx, Tx

maxpromer / cam_ai.py

Created November 16, 2025 17:22

Raspberry Pi Camera Module 3 image classification with MobileNet

	from picamera2 import Picamera2
	import cv2
	import numpy as np

	# Load the TensorFlow model (frozen graph + pbtxt)
	model = cv2.dnn.readNetFromTensorflow(
	"frozen_inference_graph.pb",
	"ssd_mobilenet_v1_coco_2017_11_17.pbtxt"
	)

maxpromer / cam_opencv_resize_and_draw.py

Created November 16, 2025 17:21

Raspberry Pi Camera Module 3 image editor by OpenCV

	from picamera2 import Picamera2
	import cv2

	picam2 = Picamera2()

	# Set up Auto Focus
	config = picam2.create_preview_configuration()
	picam2.configure(config)
	picam2.start()

maxpromer / cam_autofocus_test.py

Created November 16, 2025 17:19

Raspberry Pi Camera Module 3 autofocus settings with Python

	from picamera2 import Picamera2
	import cv2

	picam2 = Picamera2()

	# Set up Auto Focus
	config = picam2.create_preview_configuration()
	picam2.configure(config)
	picam2.start()

maxpromer / cam_test.py

Created November 16, 2025 17:18

Raspberry Pi Camera Module 3 image preview with Python

	from picamera2 import Picamera2
	import cv2

	# Initialize the camera
	picam2 = Picamera2()
	picam2.start()

	try:
	while True:
	# Capture frame from the camera

maxpromer / IOXESP32-4-20mA.ino

Last active November 10, 2025 09:37

	#include <Arduino.h>
	#include <Wire.h>
	#include <IOXESP32_4-20mA_Receiver.h>

	Receiver4_20 sensor(&Wire, 0x45); // Default 0x45

	void setup() {
	Serial.begin(115200);

	Wire.begin(); // Start I2C

maxpromer / 4-20mA-TinkerC6.ino

Created November 10, 2025 09:15

	#include <TinkerC6.h> // เรียกใช้ไลบรารี่ Tinker C6

	void setup() {
	Serial.begin(115200); // เริ่มใช้งาน Serial Monitor
	TinkerC6.Power.enable12V(); // สั่งเปิดใช้ไฟเลี้ยง 12V
	}

	void loop() {
	float mA = TinkerC6.Analog.getCurrent() + 0.08; // อ่านค่าช่อง 4-20mA เก็บลงตัวแปร mA
	float percent = (mA - 4.0) * 100.0 / (20.0 - 4.0);

maxpromer / XY-MD02_IOXESP32-Modbus-shield-Read.ino

Created November 8, 2025 03:22