#include <Arduino.h>
#include <U8x8lib.h><\/p>\n\n\n\n
#ifdef U8X8_HAVE_HW_SPI
#include <SPI.h>
#endif<\/p>\n\n\n\n
U8X8_SH1106_128X64_NONAME_HW_I2C u8x8(\/* reset=*\/ U8X8_PIN_NONE);<\/p>\n\n\n\n
const int analogInPin = A0; \/\/ ESP8266 Analog Pin ADC0 = A0<\/p>\n\n\n\n
int sensorValue = 0; \/\/ value read from the pot
\nint outputValue = 0; \/\/ value to output to a PWM pin
\nint analogInput = A0;
\nfloat Vout = 0.00;
\nfloat Vin = 0.00;
\nfloat R1 = 10000.00; \/\/ resistance of R1 (10K)
\nfloat R2 = 1000.00; \/\/ resistance of R2 (1K)
\nint val = 0;<\/p>\n\n\n\n
void setup() {
\n u8x8.begin();
\n \/\/ initialize serial communication at 115200
\n Serial.begin(115200);
\n}<\/p>\n\n\n\n
void loop() {
\n \/\/ read the analog in value
\n sensorValue = analogRead(analogInPin);<\/p>\n\n\n\n
val = analogRead(analogInput);\/\/reads the analog input
\n Vout = (val * 5.00) \/ 1024.00; \/\/ formula for calculating voltage out i.e. V+, here 5.00
\n Vin = Vout \/ (R2\/(R1+R2)); \/\/ formula for calculating voltage in i.e. GND<\/p>\n\n\n\n
Serial.print(“Voltage = “);
\n Serial.println(Vin);
\n float currentValue = Vin;<\/p>\n\n\n\n
\/\/ map it to the range of the PWM out
\n \/\/ outputValue = map(sensorValue, 0, 1024, 0, 255);
\n outputValue = map(sensorValue, 279, 868, 0, 255);
\n char buf[20];
\n sprintf(buf, “In:%d”, sensorValue);
\n \/\/ print the readings in the Serial Monitor
\n Serial.print(“sensor = “);
\n Serial.print(sensorValue);
\n Serial.print(“\\t output = “);
\n Serial.println(outputValue);
\n u8x8.setFont(u8x8_font_px437wyse700b_2x2_r); \/\/ Version 2.25.x
\n u8x8.drawString(0, 0, buf);
\n sprintf(buf, “Out:%d”, outputValue);
\n u8x8.drawString(0, 3, buf);
\n u8x8.drawString(0, 6, “Naujas”);
\n delay(1000);
\n u8x8.clear();
\n u8x8.drawString(0, 0, “Voltage:”);
\n u8x8.drawString(0, 3, “50.4V”);
\n delay(1000);
\n u8x8.clear();
\n u8x8.drawString(0, 0, “Speed:”);
\n u8x8.drawString(0, 3, “25km\/h”);
\n delay(1000);
\n u8x8.clear();<\/p>\n\n\n\n
}<\/p>\n","protected":false},"excerpt":{"rendered":"
#include <Arduino.h> #include <U8x8lib.h> #ifdef U8X8_HAVE_HW_SPI #include <SPI.h> #endif U8X8_SH1106_128X64_NONAME_HW_I2C u8x8(\/* reset=*\/ U8X8_PIN_NONE); const int analogInPin = A0; \/\/ ESP8266 Analog Pin ADC0 = A0 int sensorValue = 0; \/\/ value read from the pot int outputValue = 0; \/\/ value to output to a PWM pin int analogInput = A0; float Vout = 0.00; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-19","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/untanux.lt\/index.php?rest_route=\/wp\/v2\/posts\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/untanux.lt\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/untanux.lt\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/untanux.lt\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/untanux.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19"}],"version-history":[{"count":0,"href":"https:\/\/untanux.lt\/index.php?rest_route=\/wp\/v2\/posts\/19\/revisions"}],"wp:attachment":[{"href":"https:\/\/untanux.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/untanux.lt\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/untanux.lt\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}