Hi,
I use RTC HW111 ds1307 in my project with arduino R4 minima and
suddenly he doesn't recognize it. I try with the i2c scanner without connecting anything else, I try to find the RTC address but nothing. What's going on? when i try with arduino nano it find it!
You must have done something wrong. Since you're not showing much, nobody can help you. Post some code and a schematic of how it is connected if you want help.
Its a project with a few sensors. I upload the example of libraries->wire->i2c scanner only. The other sensors it found but the RTC it can't. I change the place of RTC and put it to other sensor place and again nothing. All other sensor recognised. R4 minima has some to can change when i use external RTC?
Does the scanner pick up the 24C32 EEPROM that's also on the RTC module, or does it miss that too?
it doesn't find anything from rtc!
I disassembled my all system and took out the arduino R4 minima. Connected only the rtc and it finds it normally, so I conclude that the error is somewhere else in the cables...
It has not recognise again . I thing is for long cable the problem . When connect all sensor on the system the i2c scanner didnot find the RTC . What can i do for long cable issue. I use max 2meter. I2C setspeed 100000khz.
Did you miss this part? If you will give us something to work with then someone may be able to help you. Right now you are the only one who can see what you've done. Without posting more you are just wasting our time and yours.
This is the project with step motor and sensor like rtc, mpu6050 ... rotates and tracks the sun while simultaneously recording data!
Neat. Now what i asked for was code and schematic. And once again you've ignored me. Maybe you aren't so keen to get this working. So why are you wasting my time?
The code works fine. the problem was found in the long sensor cable!! the cables got shorter