Search results

  1. S

    not initialize mpu6050 ,Failed to find MPU6050 chip

    Hello, I use the mpu6050 (OEM china product) with library from arduino IDE -> adafruit MPU6050 ->basic_readings. in this below code, it shows me on serial arduino IDE ->"Failed to find MPU6050 chip" // Try to initialize! if (!mpu.begin()) { Serial.println("Failed to find MPU6050 chip")...
  2. S

    5volt analogoutput from sensor MQ7 to analoginput A0 (pin14) teensy 3.2

    Hi, How can i read from the analog output 5volt sensor to get 0-3.3volt for read from pin14-> A0 analoginput on teeensy 3.2 ? I use the MQ7 sensor it works in 5volt Vcc and gives analogoutput 0-5volt! i try to use the Vout=5volt(R2/(R1+R2)) ->5*(330Ω/160Ω+330Ω)=3.36volt this arithmetic type...
  3. S

    Date stamp on SD file with RTC DS1302

    Hi, How can i do the present date stamp in every creation SD file? The date stamp is the same for all files. Data00 23/10/2020 8:30 Data01 23/10/2020 8:30 ..... I use the SdFat library and RtcDS1302 libray by Rtc Makuna In the end of my code haved the date/time callback...
  4. S

    teensy 3.2 does not run when add step down and give power from wall supply!

    Hi , I have the teensy 3.2 and when give power from 4X1.2 NiMh Battery ->4.8Volt to Vin and GND the teensy working well,when connect and disconnect the battery, the teensy starts running! Now the problem! When i try to use wall AC230volt to DC 12V 1000mA or batterys 2X3.6volt li-ion and...
  5. S

    DataLogger, how change the name of a folder name

    Hi , I use the ready code from IDE library SdFat--examplesV1-->dataLogger--> /* * Simple data logger. */ #include <SPI.h> #include "SdFat.h" // SD chip select pin. Be sure to disable any other SPI devices such as Enet. const uint8_t chipSelect = 7; // Interval between data records in...
  6. S

    teensy 3.2 and Breakout Board Micro SD Card Mini

    Hi to everyone! I have the teensy 3.2 and want to use with this SD card breakout board https://grobotronics.com/breakout-board-for-micro-sd-card-mini.html use : -- arduino IDE with Teensy loader 1.53 --the ready library from the arduino IDE 1.8.13--> SD->cardinfo For a start to use only teensy...
Back
Top