commit ea6ba7458026396089659b8fce85217bf79e0e3c parent 4324d5166a5a42a0e777c3bfe9f3e86ad48b7324 Author: Paco Esteban <paco@onna.be> Date: Sat, 8 Dec 2018 12:33:28 +0100 small readme Diffstat:
| D | NOTES.txt | | | 0 | |
| A | README | | | 18 | ++++++++++++++++++ |
2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/NOTES.txt b/NOTES.txt diff --git a/README b/README @@ -0,0 +1,18 @@ +# Brymen 869s Serial cable + +BOM: + + * micro controller ATTiny85 + * One infrared diode. + * One photodiode. + * 3 resistors (75R 4k7 2k) + * One NPN BJT (like the 2N2222A) + * A usb to serial adapter that can provid 5v. + +I built it on a perfboard, so no pcb design is provided. + +The 3D desigh fits perfectly and leaves 48 x 11 mm (more or less) of +space for the pcb. An STL file can be found at (in case you don't know +how to use FreeCAD): + +https://onna.be/files/brymen_cable_attachemnt_v2.stl