Search found 12 matches

by migbur
Thu May 16, 2019 11:23 am
Forum: General Discussion
Topic: Power down during deep sleep mode
Replies: 4
Views: 6389

Re: Power down during deep sleep mode

No activity in Serial port
I tested configuring the sleep mode just 3 min, power OFF on sleep time and power ON, wait 3 minute, but not restart, can be recovered just if I do a manual restart or load again the configuration.

can someone with ESP32 can tried this test?
by migbur
Thu May 16, 2019 8:15 am
Forum: General Discussion
Topic: Power down during deep sleep mode
Replies: 4
Views: 6389

Re: Power down during deep sleep mode

Hi Thanks for you answer And yes i'm using a big capacitor to avoid "Brownout detector", I got an GSM module connected with ESP32 I'm using two batteries 18650 2200ma, with a DC DC converter to increase the voltage to 5.2V connected to ESP32 VCC pin ESP32 board used are MH ET LIVE ESP32 minikit ardu...
by migbur
Wed May 15, 2019 4:41 pm
Forum: ESP32 Arduino
Topic: ESP32 RS485driver hardwareserial ModbusMaster
Replies: 23
Views: 44607

Re: ESP32 RS485driver hardwareserial ModbusMaster

Thank you very much
I will tried up as soon as possible I have one humidity sensor with RS485 and im not able to run it up
by migbur
Wed May 15, 2019 4:37 pm
Forum: General Discussion
Topic: Power down during deep sleep mode
Replies: 4
Views: 6389

Power down during deep sleep mode

Hi I'm working in a project that send data to cloud each hour with ESP32. I'm using "esp_deep_sleep_start();" If I power down "With a physical switch", the module during deep sleep mode. when I power up the module did not startup, just is possible to start again with a manual reset. Do you know how ...
by migbur
Fri May 25, 2018 10:23 am
Forum: General Discussion
Topic: How to configure 3 SHT21 sensor
Replies: 1
Views: 3695

Re: How to configure 3 SHT21 sensor

Hi, the solution is simple add a I2C extender chip

Problem solved
by migbur
Fri May 25, 2018 10:21 am
Forum: General Discussion
Topic: Sim800L GSM module
Replies: 2
Views: 6590

Re: Sim800L GSM module

Hi thanks, yes was not ESP problem, was low power input to the GSM module.

Problem solved
by migbur
Wed Apr 25, 2018 9:25 am
Forum: ESP32 Arduino
Topic: ESP32 RS485driver hardwareserial ModbusMaster
Replies: 23
Views: 44607

Re: ESP32 RS485driver hardwareserial ModbusMaster

Hi
always is necessary MAX-3485 as interface or I can connect it directly to ESP32 pin?

Thanks....
by migbur
Wed Apr 25, 2018 9:12 am
Forum: ESP32 Arduino
Topic: ESP32 RS485driver hardwareserial ModbusMaster
Replies: 23
Views: 44607

Re: ESP32 RS485driver hardwareserial ModbusMaster

Thank to much
I will tried it.
by migbur
Sat Apr 21, 2018 11:13 am
Forum: ESP32 Arduino
Topic: Communication I2C MMA8452 accelerometer
Replies: 1
Views: 4373

Re: Communication I2C MMA8452 accelerometer

Hi This arduino lib are made for arduino HW that has by default A4,A5 ping. You may to change the .cpp lib add the esp32 ping like : Wire.begin(21,22); // Initialize I2C the pings to add, is located here // INITIALIZATION // This function initializes the MMA8452Q. It sets up the scale (either 2, 4, ...
by migbur
Fri Apr 13, 2018 7:21 am
Forum: ESP32 Arduino
Topic: ESP32 RS485driver hardwareserial ModbusMaster
Replies: 23
Views: 44607

Re: ESP32 RS485driver hardwareserial ModbusMaster

Hi, good work
I want to connect a sensor that use RS485, can you share your code?

Thanks for sharing your work.