What range in Meshtastic Heltec WiFi LoRa 32 can achieve
When you first encounter some radio technology you wonder – and what range it has? Meshtastic has tools for conducting
Continue reading
Category: howto
Meshtastic – how and what for?
I’ve heard this name from some time, I was asked to write few words about it. So, first, Meshtastic –
Continue reading
Wemos proto board as I2C expansion
I often do some quick test of different modules. Most of them are on I2C and usage on Wemos two
Continue reading
LCD Display 128×64, ST7920, Connection Test
The 128×64 resolution blue-white graphic LCD module is slightly better for many projects compared to character LCD displays. Here, I
Continue reading
ESP01 and DHT11
When I wrote about ESP01 and relay module this was obvious, that some similar modules should be available. And yes,
Continue reading
Connecting 4″ 480×320 ST7796 LCD module to ESP8266
We have ST7796 driven LCD modules. Display has diameter 4″ and resolution 480×320. This module has also resistive touch screen,
Continue reading
Standalone ArduCam Mini 2MP module and ESP32 board
ArduCam cameras are esy to integrate with ESP8266 or Arduino. But if You need to connect them to ESP32 almost all examples are for ESP32-CAM with hardwired connection. Learn how to connect standalone OV2640 to generic ESP32 board.
Continue reading
Arduino and LED display – matrix driven by MAX7219
MAX7219 is chip to drive 7seg LED displays. Not just one, but 8 of them. 7 seg – but 8
Continue reading
Change GPIO used by ESP01 relay module
Today we have added new ESP related module to Nettigo offer. It is small relay module for ESP01. Small size,
Continue readingArduino YUN – how to get older system images
On Arduino.cc You can always find and download most recent Arduino YUN system image (firmware). What to do, if You
Continue reading