Some time ago I’ve got an old computer for free. Nothing happened when I tried to turn it on, so I assumed that the power supply is broken. It is a small IBM computer in a horizontal desktop case. It has a power supply integrated on motherboard. There are some capacitors that look damaged, so[…]
I need a logic probe to troubleshoot some of my designs. I didn’t want to reinvent a wheel, so I checked the existing designs. I found that the design from talkingelectronics.com is most suitable for my needs. The main benefits of this design are sound indication and 3rd LED (for pulses). It is possible to[…]
At the moment I’ve completed the schematics and I’ve started to work on PCB layout. There are going to be some changes caused by discovered mistakes or better layout. So, please, treat it as a draft on this stage. Please, let me know if you notice any mistakes. Today we will have a look at[…]
As I’ve promised in one of my previous posts, I’m going to tell how to connect an original Apple Bluetooth module to a Hackintosh. The Apple Bluetooth module has some advantages compared to a Bluetooth USB dongle, because it is 100% compatible with Mac OS and allows perfect work of a wireless Apple keyboard, mouse[…]