ricaun – LoRaNow

Radioenge – Hack

August 10, 2019 ricaunArduino

Hello, last month I bought a Brazilian LoRaWAN module. Radioenge is a module with stm32l071cz mcu and sx1272 for LoRa communication. This module uses AT communication to configure and send data over the LoRaWAN, and[…]

LoRaNow Library

April 27, 2019August 10, 2019 ricaunArduino

I’m playing with LoRa and LoRaWan for some time and is an incredible technology, but when you want to create something nice is a little hard, especially with LoRaWan. LoRaWan library is a little crazy[…]

Dragino LG01 – Hack

March 1, 2019March 1, 2019 ricaunDragino

Dragino LG01 is a single gateway that should work but does not work 100%, due to poor hardware choices. The chip used for LoRa communication is RFM95, which is fine but has an MCU (atmega328p)[…]

Unique ID

January 10, 2019March 1, 2019 ricaunArduino

Hello, I have played with Arduino (Atmega328p) for a long time. In an old project, I needed to differentiate two Arduino Uno, so I try to find some kind of a Serial Number on the[…]

CayenneLPP

October 22, 2018January 9, 2019 ricaunArduino

Hello, This week I was messing with some payload formats and I came to the conclusion the easiest and smartest way make a package is by using CayenneLPP. Cayenne Low Power Payload (LPP) is a[…]

LoRa and Sleep

October 9, 2018January 9, 2019 ricaunArduino

First of all, we need to understand the basic about of the LoRa communication. The RFM95 module is a transceiver, it transmits as much as it receives packets, and because it is a radio frequency[…]

Sleep Now

October 1, 2018January 9, 2019 ricaunArduino

Usually in a project when we are using battery we need to use some techniques to save power, no one wants to change the battery every week. The best way to save power is removing[…]

The Schematic

September 20, 2018January 9, 2019 ricaunArduino

How the schematic works?! Basically use two main components, Arduino Pro Mini and RFM95 LoRa Module. The circuit is powered by 2 AA batteries. RFM95 – LoRa Module The RFM95 is based on the[…]

My first board!

September 16, 2018January 9, 2019 ricaunArduino

I started playing with LoRa when I bought some RFM95 module, it was really boring and messy playing with wirings… So I decided to make a board, the idea was to make a pcb to[…]