communication
SPI vs I2C
When it comes to sensors and shields, two common serial connections available are SPI and I2C, but what exactly are they? Serial Peripheral Interface…
communication
Wired Communication Protocols: SPI
For the final part of the wired communication protocols series, we are going to discuss SPI, also known as Serial Peripheral Interface.
communication
Wired Communication Protocols: I2C
So far we’ve talked about wireless technologies and UART communications. In this tutorial, we will talk about Inter-Integrated Circuits or I2C. I2C I2C (Inter-Integrated…
communication
Wired Communication Protocols: UART
In this new series of articles, we are going to explore wired communication protocols. It will consist of 3 parts, starting with this one…
communication
Wireless Technologies for Your Arduino Projects
Circuitrocks has a bunch of wireless technologies available for Arduino wireless communications. Here is a short guide on how to choose the correct one…
communication
Alora RFM1262 – LoRa Mesh Network
LoRa is a wireless communication known for its long range capability. But what if the distances between sensor nodes are farther than the range…
communication
ESP32 LoRa gateway battery optimized
I really love the tutorial written by JP how to use ESP32 Deep Sleep. For the beginners who are not familiar with ESP-IDF and…
communication
Alora RFM1262
The LoRa module nobody talks about. Same long-range tricks as the RFM95, lower idle current, easier to source locally. Wire to an Arduino over…
communication
LoRa Gateway
The gateway connections The LoRa module connections: The power pins (VIN and GND) are connected to the ESP32s power pins. The RFM95 modules work…
communication
Battery powered LoRa sensor node
The sensor node connections The LoRa module connections: The power pins (VIN and GND) are connected to the ESP32s power pins. The RFM95 modules…
communication
Long Range (LoRa) communication for devices that have no WiFi connection available
Usually we use WiFi, Bluetooth or GSM to connect our sensor devices with the world of IoT. But what if neither of that is…