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Lilith

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  1. Lilith

    Divizor

    Ideea e ca vreau sa conectez pinul rx al unui modul wifi esp-01 la pinul tx al unui arduino. Modulul esp-01 functioneaza la 3.3v, alimentat de la o sursa externa si ma gandeam ca pinul tx digital de la arduino furnizeaza 5v in high si ar putea afecta modulul si de asta am zis sa folosesc un divizor.
  2. Lilith

    Divizor

    Buna ziua, doresc sa realizez un divizor de tensiune pt un breadboard, dintr-o tensiune de 5v sa fac una de 3.3v. Teoretic aceasta se realiza cu o rezistenta de 1k in serie cu una de 2k, dar am doar rezistente de 1k. M-am gandit sa fac ca in figura de mai jos si vreau sa va intreb daca e ok.
  3. Lilith

    Upload error

    Am luat legatura si ramane sa o returnez, sunt incepator si nu le am cu depanatul, oricum va multumesc pentru raspunsuri.
  4. Lilith

    Upload error

    Am incercat si cu Blink, primesc aceeasi chestie: Arduino: 1.8.12 (Windows 10), Board: "Arduino Uno" avrdude: stk500_recv(): programmer is not responding Sketch uses 932 bytes (2%) of program storage space. Maximum is 32256 bytes. Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes. Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions. C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM3 -b115200 -D -Uflash:w:C:\Users\calin\AppData\Local\Temp\arduino_build_847549/Blink.ino.hex:i avrdude: Version 6.3-20190619 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch System wide configuration file is "C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf" Using Port : COM3 Using Programmer : arduino Overriding Baud Rate : 115200 avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x1a avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x1a avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x1a avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x1a avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x1a avrdude: stk500_recv(): programmer is not responding avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x1a This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences. Stiti la ce se refera Overriding Baud Rate: 115200 ?
  5. Lilith

    Upload error

    Din pacate nu dispun de alte aparate de masura si n-am mai folosit Terminal, daca nu se poate rezolva o sa incerc sa o returnez fiindca oricum nu e ceea ce am comandat.
  6. Lilith

    Upload error

    Placa e comandata de pe xab3 si am primit-o ieri, iar azi am incercat sa o folosesc pentru a aprinde un led si a genera un sunet cu un buzzer, dar fara succes.
  7. Lilith

    Upload error

    E posibil sa fie ceva in neregula cu placa?
  8. Lilith

    Upload error

    Am incercat, dar tot la fel...
  9. Lilith

    Upload error

    sketch_may20a.ino
  10. Lilith

    Upload error

    Am instalat si un driver CH340 de pe net, dar tot degeaba.
  11. Lilith

    Upload error

    Am descarcat si am verificat, poate fi ceva defect la placa ?
  12. Buna ziua, cand incerc sa incarc programul din IDE primesc aceasta eroare: Sketch uses 726 bytes (2%) of program storage space. Maximum is 32256 bytes. Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes. C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM3 -b115200 -D -Uflash:w:C:\Users\calin\AppData\Local\Temp\arduino_build_254713/sketch_may20a.ino.hex:i avrdude: Version 6.3-20190619 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch System wide configuration file is "C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf" Using Port : COM3 Using Programmer : arduino Overriding Baud Rate : 115200 AVR Part : ATmega328P Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PC2 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 20 4 0 no 1024 4 0 3600 3600 0xff 0xff flash 65 6 128 0 yes 32768 128 256 4500 4500 0xff 0xff lfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00 efuse 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00 lock 0 0 0 0 no 1 0 0 4500 4500 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : Arduino Description : Arduino Hardware Version: 3 Firmware Version: 4.4 Vtarget : 0.3 V Varef : 0.3 V Oscillator : 28.800 kHz SCK period : 3.3 us avrdude: AVR device initialized and ready to accept instructions Reading | ################################################## | 100% 0.00s avrdude: Device signature = 0x1e950f (probably m328p) avrdude: reading input file "C:\Users\calin\AppData\Local\Temp\arduino_build_254713/sketch_may20a.ino.hex" avrdude: writing flash (726 bytes): Writing | ########avrdude: stk500_recv(): programmer is not responding ########avrdude: stk500_recv(): programmer is not responding avrdude: stk500_recv(): programmer is not responding Stie cineva de ce si care ar fi solutia ?
  13. Partea cu sursa coboratoare am inteles-o, ce nu se leaga pentru mine e ca arduino are doar o iesire de 5v, poti lega 2 module la pinul de 5v ?
  14. Placa aceasta ar fi o solutie ? https://www.sigmanortec.ro/Placa-dezvoltare-Uno-R3-cu-Wifi-ESP8266-compatibila-Arduino-p177264612 Si in continuare as vrea sa va intreb cum de in acest proiect a legat ambele module esp8266 si mq la 5v: https://maker.pro/arduino/projects/iot-smoke-alarm-arduino-esp8266-gas-sensor
  15. Ideea e ca doresc sa fac o alarma de gaz IoT, desi n-am experienta. Voiam sa folosesc un arduino uno, un senzor de gaz legat la iesirea de 5v si espul 8266 legat la iesirea de 3.3v ale placii arduino. Dupa ce senzorul detecta gazul, arduinoul prin esp notifica user-ul prin wifi pe telefon. Din ce citisem pe internet am vazut ca nu e suficient sa alimentezi espul de la 3.3, chiar daca el opereaza la aceasta tensiune. Acesta ar fi modulul: https://cleste.ro/modul-esp8266-serial-port.html Si ar mai fi si exemplul asta in care nu inteleg cum de a conectat si espul si mq2ul la 5v de la arduino: https://maker.pro/arduino/projects/iot-smoke-alarm-arduino-esp8266-gas-sensor
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