A place for all the arduino code I write.
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Starbeamrainbowlabs 438b28f1b5
Document protocol spec in comment
11 mesi fa
Blink Add blink mini-project 4 anni fa
EEITemperature Write simple display-based system to display temp & humidity with the NodeMCU 0.9 1 anno fa
Examples Add HelloWorld example 11 mesi fa
I2cScanner Add missing \r in I2C scanner 3 anni fa
RamLocationTest Add RAM location test 1 anno fa
SizeOfTest [SizeOfTest] Add long 2 anni fa
bme280 Document protocol spec in comment 11 mesi fa
deepsleep Add ESP deep sleep test 2 anni fa
dht22 Write ESP DHT22 demo 1 anno fa
dht22-esp8266 Write ESP DHT22 demo 1 anno fa
eeprom Add eeprom tests 2 anni fa
eeprom-search Add eeprom tests 2 anni fa
flashLed Corect circuit order in comment 4 anni fa
soil-sensor Test soil sensor 2 anni fa
.gitmodules Write simple display-based system to display temp & humidity with the NodeMCU 0.9 1 anno fa
LICENSE initial commit 4 anni fa
README.md Add more detail to LMIC library info section 2 anni fa



A place for all the Arduino code I write.

A collection of projects and example code for various Arduino-related devices.

My goal here is to make sure that everything is documented clearly enough that it should be a fairly easy and frustration-free experience picking up a project from here and running it. To that end, if you experience any difficulties - please contact me! Methods to get in touch are detailed on my website.


For some reason, the Arduino IDE is absolutely ridiculous in that it keeps libraries globally installed. Some of the projects and examples here require that libraries are installed to work, unfortunately (I wasn't able to get them to function any other way :-/). To that end, I've listed below the libraries and where to get them from that I've used.


Used in some of the low-level LoRa test programs. This requires cloning the RadioHead repository into the Arduino IDE libraries folder, which is by default located at ~/Arduino/libraries. Here's the clone command in question:

git clone https://github.com/PaulStoffregen/RadioHead.git

Execute it in the Arduino libraries folder as mentioned above.


Required for the LoRaWAN projects. Installable through the library manager if you search LMIC.

In addition, for some reason the author of this library has made a very bad design choice, in that you've got to alter the original library code in order for it to work. Navigate to the Arduino IDE's library folder (by default ~/Arduino/libraries), enter the MCCI_LoRaWAN_LMIC_library directory, and then open src/lmic/config.h for editing. You want to uncomment line 50, which should read like so once uncommented:

#define CFG_sx1276_radio 1

Useful Resources

  • Connect with WPA - What seems like a reasonaly good tutorial on how to get a Wemos to connect via WiFi. We'll need a TCP tutorial later on down the line though.