diff --git a/docs/Getting-Started.md b/docs/Getting-Started.md index e64aec03bf..8450f2d94a 100644 --- 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. + + +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 new file mode 100644 index 0000000000..bcb2a6359a Binary files /dev/null and b/docs/_media/golden-ch340g.png differ