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Matthias vor 31 Minuten
D2L3 Alamak Car
HaSch vor 50 Minuten
Please upload a BOM (Bill of Materials). Some components are hard to find without knowing the manufacturer (e.g. X1, L1).  
Wearable LED Controller [160597]
HaSch vor 2 Stunden
Exactly that doesn't work for me! I have Elektor set with ATmega328P-PU and it's as I described above. In your sketch "pinMode(9, OUTPUT)" is in comments and it makes no difference if "//" are deleted or not. I controlled the value of "lights" in serial console and it's within the allowed range. It becomes 255 and it becomes 1 but there is no effect on the LED.
3 displays alarm-clock with TFT screen, developped with Arduino [170112]
Thomas Beck
Thomas Beck vor 14 Stunden
In my installation, the Arduino folder, which contains arduino.exe, also contains libusb0.dll. However, this obviously is not in the PATH. Then I suspected my non-standard installation path and non-standard Sketchbook folder could be the cause. After reinstalling the IDE to the default path and using the default sketchbook folder, the upload problem is still there. As long as libusb0.dll is not copied to the tools\avrdude\6.3.0-arduino2\bin folder, upload fails. Upload for my other AVR boards MEGA2560 and UNO R3 works fine with the avr core 1.6.21. As written above, this core forces the installation of avrdude\6.3.0-arduino9, which contains a libusb0.dll in its bin folder. Maybe a libusb0.dll from any other installed software package is somewhere in the PATH on your system?
Elektor Uno R4 [150790]
TechDoc vor 16 Stunden
My program says (lines 393 to 403, in the main tab)://=========================== DIMMING OF THE TFT SCREEN LEDs ============================== // Read the value of the light cell   light = analogRead(A1);  light = (900 - light) / 3; // conversion of the light value   if (light > 250) {light = 255;}                     // max = 255   if (light < 10) {light = 1;}   Serial.println (light);   // Control the LEDs value   analogWrite(6, light);  } This works fine . My prototype works with 5V supply + level shifters for the screen, the Elektor set works with 3.3 V (Atmega328 and screen). Don't hesitate to contact me again.  
3 displays alarm-clock with TFT screen, developped with Arduino [170112]