add details warning people of non-working CH340G devices

19cool53 · Nov 26, 2021 · 10100e0 · 10100e0
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diff --git a/docs/Getting-Started.md b/docs/Getting-Started.md
@@ -25,6 +25,11 @@ The [power supplied to the device](https://www.letscontrolit.com/wiki/index.php?
 
 Some devices, such as [NodeMCU](https://en.wikipedia.org/wiki/NodeMCU), [D1 mini](https://www.wemos.cc/en/latest/d1/d1_mini.html) or [M5Stack products](https://m5stack.com/), have an USB upload port and the serial-to-USB adapter built in.
 
+Many CH340 devices will not work, the "golden CH340G" has a voltage regulator on it to supply enough power to the ESP device - many do not. The ESP requires at least 150mA, many 3.3V serial programmers do not supply this much current as many serial programming tasks do not require a large amount of power.
+<img src="../_media/golden-ch340g.png" style="margin:5px;float:right;width:200px"></img>
+
+When using an external 3.3V supply, simply ensure the ground (GND) of both are connected, this ensures a common ground. A PC power supply can be a source for 3.3V DC power.
+
 #### Soldering Tools
 To solder you'll of course need a soldering iron, soldering tin and some flux. If you're new to soldering check out some soldering tutorial videos while you're at it.
 

diff --git a/docs/_media/golden-ch340g.png b/docs/_media/golden-ch340g.png