Posts made by mawg

@ajb2k3 That's great news, thanks a 1,000,000

@ajb2k3 Are you sure that there will be no voltage problems?

If I buy a Seed Grove Hat for Raspberry Pi Zero, can I use my M5Stack sensors with it?

Sorry for such a total n00b question, but I am unsure about the voltages involved

Thanx a 1,000,000 for taking the time to help me.

Oops, my bad! I had also been playing with a Heltec 32 WiFi kit, and forgot to change the board (how embarrassing).

I am still indoors, so will either need to use a battery or, perhaps, sit by the window to test GPS.

At the moment, after a few seconds the software reports "Brownout detector was triggered" over serial, then reboots. I will investigate that & ask a new question if I can't solve it. Sorry to have taken your time.

Thanks a 1,000,000 I am new to ESP32 and to the Aruino IDE, so you just taught me a general solution. I really appreciate it

With the Arduino IDE, I chose the M5Stack Env module example.

It starts

 #include <M5Stack.h>
 #include "DHT12.h"
 #include <Wire.h> //The DHT12 uses I2C comunication.
 #include "Adafruit_Sensor.h"
 #include <Adafruit_BMP280.h>

and teh compiler says

 Adafruit_BMP280.h: No such file or directory

I imagijne that I am suposed to include soem library into the IDE(?), but am surpised when examples wil not compile out of the box.

Any dea how I can build & run the example?

Just getting started with M5Stack, so I connected the Core & the GPS module, and loaded the demo from the Arduino IDE.

I saw no GPS reading on the display, so added some 'else' clauses (see code below) and see that the serial port is not available (nor is the GPS, naturally).

Any idea what I am doing wrongly?

(and, how do I post formetted code to this forum?)

What does that HardwareSerial GPSRaw(2); mean?

#include <M5Stack.h>

HardwareSerial GPSRaw(2);

void setup() {

M5.begin();
GPSRaw.begin(9600);

Serial.println("hello");
termInit();
M5.Lcd.setTextFont(4);
M5.Lcd.setCursor(50, 100, 4);
M5.Lcd.println(("GPS Raw Example"));
}

void loop() {
// put your main code here, to run repeatedly:
if(Serial.available()) {
int ch = Serial.read();
GPSRaw.write(ch);
}
else
{
M5.Lcd.setCursor(50, 130, 4);
M5.Lcd.println(("Serial not available"));
}

if(GPSRaw.available()) {
int ch = GPSRaw.read();
Serial.write(ch);
termPutchar(ch);
}
else
{
M5.Lcd.setCursor(50, 160, 4);
M5.Lcd.println(("GPS not available"));
}
}

For instance, https://github.com/m5stack/StickWatch seems to be mostly Chinese, and I don't know how to get started.

Since this is my first project, I will go to the absolute beginners' pages & start there with some tutorial,. but separate Chinese and English pages seem like a good idea.

Looks great! Does it play well with PlatformIO ?

Where can I buy one of these?

It has a better form fit than the only other one I could find https://www.aliexpress.com/item/M5Stack-Multi-function-Watch-With-700mAh-Battery-for-Arduino-Micropython-ESP32-Core-Intelligent-Programmable-Watch-with/32854179945.html

I would like to compare price & spec.