Next, in order to get rid of wiring mess and keep the electronics components organize I designed a custom PCB using the EasyEDA free online circuit design software. The circuit has many connection, so I used both the top and the bottom layers to organize them. I also added pins for selec...
The pullup resistors needed to get the module to start up correctly can double as the I2C bus pull-up resistors and the other, slave, components on the bus are open collector and so should not pull the bus down on power-up. However in some cases slaves, particularly those with battery ...
Connect a 10 uF capacitor between reset and ground on the working Arduino. Step 5: Burn the Bootloader Next we connect the working Arduino with a usb to the computer. Go to Tools -> Board and select the chinese board that is not working. in my case it's an Arduino Uno. ...