Switch to using Teensy LC instead of 3.2
by Ian Tester 3 years 10 months
Switch to using Teensy LC instead of 3.2

Slightly cheaper.
Will the regulator be enough? The 3.2 has a 500 mA reg outputing 3.3 V, the LC only has 100 mA.
Tweak some global labels
by Ian Tester 3 years 10 months
Put parts of the schematic in boxes
by Ian Tester 3 years 10 months
Remove 74LS125 buffer chip from SD interface
by Ian Tester 3 years 10 months
Remove 74LS125 buffer chip from SD interface

SD cards are 3.3 V devices and so is our microcontroller (5 V tolerant). So there's no need for it. Just connect directly to the card socket.
Add text to two schematic sheets saying what the d...
by Ian Tester 3 years 10 months
Add text to two schematic sheets saying what the designs are based on
Copy Teensy symbol and footprint (and 3D model) in...
by Ian Tester 3 years 10 months
Copy Teensy symbol and footprint (and 3D model) into repository
Break schematic into three sub-sheets
by Ian Tester 3 years 11 months
Report a bug