Posts made by HappyUser
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M5Din : Arduino code available
Dear all, any arduino lib with example available for the M5Din module. Thanks.
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Ezdata approach with http or MQTT
Any idea? Is it possible to use it with http get or MQTT commands?
Any pointers?
Thanks -
RE: Stamp C3 mate. 3 adc instead of 4?
Thank you, but the is too much off a hassle, will come up with another solution.
Regards -
Stamp C3 mate. 3 adc instead of 4?
Because Gpio5 on Esp32 can not be used as ADC together with WiFi, is there another pin I could use as ADC?
Thanks. -
RE: Remote Sensing with Core2 (UIFlow) via LORA Point-to-point
Indeed, if you have cell phone coverage, you could easily use the sim7080 or sim7800 modules to send MQTT data. Works great and small enclosures required ( even solar powered is achievable).
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RE: Arduino IDE 2.3.2 M5Stamp C3, M5Unified ping time out
On GitHub it says :
Supported devices (ESP32-C3)M5STAMPC3 / C3U
I assume this refers to the Stamp C3 product. If so, it would be fair to assume that M5Unified is compatible with that device. It think the Arduino compiler has serious trouble compiling it.
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RE: M5Stamp Cs3, USB powered Over-voltage warning
In this testing environment I wired it to the 3.3 volt output of the Stamp. Not the best solution, ha ha, given the power the SIM7080 module needs. I am now converting it to powering the SIM7080 module with separate 5 volt line.
That should do the trick. -
RE: M5Stamp Cs3, USB powered Over-voltage warning
Thanks,
more specific, indeed Stamp C3. And maybe the connected M5Stamp SIM7080C module draws a to high current from the 3.3 volt output on the Stamp C3. I am going t change that anyways, I am just testing. -
M5Stamp Cs3, USB powered Over-voltage warning
Hello,
As the title explains, M5Stamp Cs3 powered by USB from my laptop.
I noticed that the device is very hot.
I get this warning:
13:23:24.460 -> OVER-VOLTAGE WARNNING
13:23:24.460 -> OVER-VOLTAGE POWER DOWNSuggestions how to deal with this?
Thanks -
RE: Arduino IDE 2.3.2 M5Stamp C3, M5Unified ping time out
Thanks,
Tried it also with a small sketch, same issue. I think it is related to the combination of M5StampC3 board and the M5Unified library. -
RE: STAMP-C3 problem with Serial2
Solved
I don't why I have been klinging on to Serial2, it got me in all kind of testing out, but the solution is to use Serial 1. -
Arduino IDE 2.3.2 M5Stamp C3, M5Unified ping time out
M5Unified 0.1.13 installed. Empty sketch. Takes long time to compile and then ping time out by the compiler.
Any idea?
#include <M5Unified.h>void setup() {
// put your setup code here, to run once:}
void loop() {
// put your main code here, to run repeatedly:}
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STAMP-C3 problem with Serial2
Hello folks
Using
#include <M5Unified.h>HardwareSerial Serial2(2);
and then
Serial2.begin(115200, SERIAL_8N1,GPIO_NUM_21,GPIO_NUM_20);But can't get Serial2 to communicate.
Switched RX and TX no avail.
Tested the slave with another device : slave works okay.What am I missing here?
Thanks -
RE: Light / Deep sleep example
@felmue I just read this post. I am also facing high current during deep sleep om the M5Atom.
I am curious : could you give an example code how to power down (expect for AXP and RTC).
Thanks -
RE: Remote Sensing with Core2 (UIFlow) via LORA Point-to-point
Interesting question. M5Stack provides P2P LoRa example along with their documents. My suggestion is to make a proof of principle what you need. Then try the max achievable distance. Mqtt is another challenge but also many examples on GitHub.
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M5Stamp power timer, Max ampere out?
Hi,
I have not been able to find it, but what is the maximum milli amperes this unit can provide ?Anyone knows?
Thanks. -
RE: SIM7600 and ThingSpeak, unable to publish
@felmue And indeed, I needed to add a delay before sending the payload. I had hoped that it would be necessary (in order to speed up he process of waking up, sending and going to sleep).
Regards -
SIM7600 and ThingSpeak, unable to publish
Dear all,
I nearly got SIM7600, MQTT and Thingspeak working. But I am not able to get the public working.
This is my basic syntax:
The module returns OK status, so so far so good. But no data shows up in my channel.
The weird things is I use the same Topic and message structure as with my SIM7080 module, and that works. Any suggestions?My last part of the code :
String payload="channels/"+ String(ChannelId)+"/publish";
int Payload_Length;
Payload_Length=payload.length();SerialAT.println("AT+CMQTTTOPIC=0,"+String(Payload_Length)); // Input the publish message topic <client_index,req_length>
SerialAT.println(payload);
Read_Response_Ignore_OK(3000);payload="field1=345&field2=543";
Serial.print(" ");
Payload_Length=payload.length();
Serial.println ("AT+CMQTTPAYLOAD=0,"+String(Payload_Length));
SerialAT.println("AT+CMQTTPAYLOAD=0,"+String(Payload_Length)); // input the publish message body <client_index,req_length>
SerialAT.println(payload);
//delay(50);
Read_Response_Ignore_OK(1000);SerialAT.println("AT+CMQTTPUB=0,0,60,0,0"); // Publish a message to the server <client_id,qos,pub_timeout,retained>
Read_Response_Ignore_OK(1000);