From 77b29828baeb64741b41f069da30632acc849f21 Mon Sep 17 00:00:00 2001 From: Stepan Usatiuk Date: Sat, 19 Sep 2020 16:34:21 +0300 Subject: [PATCH] Update README.md --- README.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 2f03b76..b7169fc 100644 --- a/README.md +++ b/README.md @@ -9,7 +9,9 @@ My attempt at making the ordinary egg-drawing robot a bit special, by adding a b It's not quite "wireless and portable" yet, for the reasons mentioned: -* The servo motor triggers overcurrent protection, so external USB power is needed (possible solutions are either using a low-power servo or fixing the li-ion to 5v booster circuit) +* The old servo motor booster circuit triggers battery overcurrent protection, so external USB power is needed (the new booster circuit needs testing, or you could power it directly from the battery, but it's a bit glitchy) + +* The v1.5 revision (with the new TPS61023 servo power booster circuit) works *perfectly!* for some time, then either the TPS61023 or Q3 let the magic smoke out 😕 (I think it's just the TPS61023 because it had happened twice: once the TPS61023 just short circuit, second time Q3 burned, which could be caused by TPS61023 short circuiting again) * The GCode is generated by inkscape, so needs a computer @@ -44,4 +46,4 @@ The process is supposed to be like this: 3. Make it a path 4. Use path to gcode (Also set minimal arc radius in the settings to something big as drawing arcs with g02 is not supported) -You can look at spiral.svg for an example \ No newline at end of file +You can look at spiral.svg for an example