X-Git-Url: http://www2.svjatoslav.eu/gitweb/?p=physical.git;a=blobdiff_plain;f=misc%2F12V%20Lead-Acid%20battery%20changer%20and%20terminal%2Findex.html;fp=misc%2F12V%20Lead-Acid%20battery%20changer%20and%20terminal%2Findex.html;h=755b5eba3fc9d2c6f7ab5031cac1cc7d33f6c11e;hp=1a4104feedb856c42e4d4dc4c57a53593cf9aa45;hb=7b9f5c290553f6d5a7a157ceb150ed82c45815bb;hpb=1e311a3bb210706339c8a09fe788a636c15f78cd diff --git a/misc/12V Lead-Acid battery changer and terminal/index.html b/misc/12V Lead-Acid battery changer and terminal/index.html index 1a4104f..755b5eb 100644 --- a/misc/12V Lead-Acid battery changer and terminal/index.html +++ b/misc/12V Lead-Acid battery changer and terminal/index.html @@ -2,7 +2,7 @@ Battery charger and dual power supply unit - + @@ -242,10 +242,10 @@ DESIGNS AT YOUR OWN RISK.

I needed dual voltage power supply for my lab that runs on mains -electricity (wall power) and slowly charges attached 12V Lead-Acid -battery. Lead-acid battery in turn provides high current when needed -as well as power in portable situations or when mains electricity is -not available. +electricity (wall power) and slowly charges (use-changing) attached +12V Lead-Acid battery. Lead-acid battery in turn provides high current +when needed as well as power in portable situations or when mains +electricity is not available.

@@ -259,13 +259,13 @@ Power supply provides about 13 Volts and 5 Volts simultaneously.

-!!!WARNING!!! I use USB-A connectors for power output, but IT IS NOT -COMPATIBLE WITH USB DEVICES AND POSSIBLY WITH EXISTING USB CABLES. +!!!WARNING!!! Alternative and incompatible USB wiring/layout is +being used here.

-Normal USB devices and cables should not be plugged in! It would -damage device/cable and likely power supply. +Normal USB devices and cables should not be plugged in! It would +damage device/cable and likely power supply.

@@ -276,15 +276,18 @@ totally incompatible electrical wiring.

-

USB%20hack.png +

schematic.png

As seen, it has dual voltage output. Additionally one wire is -dedicated to data transmission and can be used with 1-wire -protocol. Power supply simply passively links all data wires together -but does not participate in communication. +dedicated to data transmission and can be used with 1-Wire protocol +

+ +

+1-Wire data router/hub is really simple. Power supply simply passively +links all data wires together.

@@ -673,7 +676,7 @@ Happy building! :)