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-<!doctype html>
-<html lang="en">
-<meta charset="utf-8">
-<meta name="author" content="aki">
-<meta name="tags" content="tutorial, flash, nodemcu, firmware, nodemcu, hardware">
-<link rel="icon" type="image/png" href="cylo.png">
-<link rel="stylesheet" type="text/css" href="style.css">
-
-<title>Flashing LOLin NodeMCU v3</title>
-
-<nav><p><a href="https://ignore.pl">ignore.pl</a></p></nav>
-
-<article>
-<h1>Flashing LOLin NodeMCU v3</h1>
-<p class="subtitle">Published on 2020-06-29 17:58:00+02:00
-<p>Republishing old content. This is from when I bought and flashed my first NodeMCU clone (perhaps "loose
-implementation"?) of NodeMCU v3 called LOLin v3.
-<p>This little board is using CH304G TTL to USB converter, so if you happen to work on Windows you must make sure you
-have the driver installed beforehand. Mentioned chip is quite common, and I've seen it on various Arduino, so there is
-a high chance that you already have it.
-<p>Without further notes, here is the specification:</p>
-<table>
-<tr><th>Baud rate<th>Flash mode<th>Flash size<th>Flash frequency
-<tr><td>9600 <td>QIO <td>4MiB <td>40MHz
-</table>
-<p>You will need a combined firmware binary. If you are compiling it by yourself, I suggest using one of the development
-branches. If you don't have environment set up there are online building services available e.g.
-<a href="https://nodemcu-build.com/">NodeMCU custom builds</a>.
-<p>To write the firmware use e.g. <a href="https://github.com/espressif/esptool">esptool</a>:</p>
-<pre>
-$ esptool.py --port <u>/dev/ttyUSB0</u> --baud 9600 erase_flash
-$ esptool.py --port <u>/dev/ttyUSB0</u> --baud 9600 write_flash \
- --flash_mode qio --flash_size 4MB --flash_freq 40m \
- 0x00000 <u>combined-firmware-file.bin</u>
-</pre>
-<p>To test it you can connect to it with e.g. <code>screen</code>:</p>
-<pre>
-$ screen <u>/dev/ttyUSB0</u> 115200
-</pre>
-<p>Or use your favourite terminal emulator:</p>
-<pre>
-$ st -l <u>/dev/ttyUSB0</u> 115200
-</pre>
-<img src="flashing_lolin_nodemcu_v3-1.png" alt="nodemcu drawing">
-</article>
-<script src="https://stats.ignore.pl/track.js"></script>