Reading sensor data at your desk on your IDE serial monitor is never accurate to in-situ projects, especially with isolated power supplies. Sensor Buddy ties in to your project via I2C (SDL/SCL), direct sensor connection, remote coms (RF) or wifi (internal ESP8266) and/or can also test sensors before embedding.VIDEO
NodeMCU 1.0 ESP-12E 0.96" OLED I2C SSD1306 128X64 (2) 4 pin JST Female Toggle Switch Internal Code/* Sensor Buddy vije miller edit: libraries/Adafruit_SSD1306.h unhash: #define SSD1306_128_64 hash: #define SSD1306_128_32 install: Adafruit_BusIO Library 0X3D to 0X3C */ #include <Wire.h> #include <Adafruit_SSD1306.h> #include <Adafruit_GFX.h> #define OLED_ADDR 0x3C Adafruit_SSD1306 display(-1); const int d_pin = D6; int d_in; int d_last; const int a_pin = A0; int a_in; int a_last; void setup() { Serial.begin(9600); display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDR); display.clearDisplay(); display.display(); display.setTextSize(1); display.setTextColor(WHITE); display.setCursor(29, 16); display.print("SENSOR BUDDY"); display.display(); pinMode(d_pin, INPUT); pinMode(a_pin, INPUT); } void loop() { // hash out if wifi_data // or alt input sensor_range(); } void sensor_range() { d_in = digitalRead(d_pin); a_in = analogRead(a_pin); if (d_in != d_last || a_in != a_last) { display.setTextSize(2); display.setTextColor(WHITE, BLACK); display.setCursor(42, 36); if (d_in > 1 && a_in <= 1) { display.print(d_in); display.print(" "); } else if (a_in > 1 && d_in <= 1) { display.print(a_in); display.print(" "); } else { display.print("0000"); } display.display(); } d_last = d_in; a_last = a_in; delay(100); } I2C (SDL/SDA)/* Sensor Buddy vije miller edit: libraries/Adafruit_SSD1306.h unhash: #define SSD1306_128_64 hash: #define SSD1306_128_32 install: Adafruit_BusIO Library 0X3D to 0X3C */ #include <Wire.h> #include <Adafruit_SSD1306.h> #include <Adafruit_GFX.h> #define OLED_ADDR 0x3C Adafruit_SSD1306 display(-1); int sensor_call; void setup() { Serial.begin(9600); display.begin(SSD1306_SWITCHCAPVCC, OLED_ADDR); display.clearDisplay(); display.display(); display.setTextSize(1); display.setTextColor(WHITE); display.setCursor(29, 16); display.print("SENSOR BUDDY"); display.display(); } void loop() { // sensor_call = read sensor sensor_range(sensor_call); } void sensor_range(int sensor_print) { display.setTextSize(2); display.setTextColor(WHITE, BLACK); display.setCursor(42, 36); display.print(sensor_print); display.print(" "); display.display(); }
20:16:18 138 022
@pkvi
"...may not meet professional standards."