brymen_bm869s_ir_cable

Brymen 869s Serial PC-Comm DIY Cable.
git clone htps://git.onna.be/brymen_bm869s_ir_cable.git
Log | Files | Refs | README

commit ea6ba7458026396089659b8fce85217bf79e0e3c
parent 4324d5166a5a42a0e777c3bfe9f3e86ad48b7324
Author: Paco Esteban <paco@onna.be>
Date:   Sat,  8 Dec 2018 12:33:28 +0100

small readme

Diffstat:
NOTES.txt | 0
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