Electronics projects | Microcontroller projects | Teardowns | Reviews | Tutorials | Random tech babble
I have quite a few DM134B IC’s which are 16 bit shift registers complete with constant current LED drivers built in so I decided to make something useful from them. The chips require minimal components; LED current is simply set via an external resistor which is far better than having to use 16 individual resistors.…
This will be the last teardown video for a while and this time I have a Racal Avionics CDU allegedly from an RAF Nimrod which I obtained some time ago and discovered that it communicates with a host system over standard RS422. Now, thinking I might be able to connect it to my PC or…