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 readingLearning Arduino
When you first encounter some radio technology you wonder – and what range it has? Meshtastic has tools for conducting
Continue readingI’ve heard this name from some time, I was asked to write few words about it. So, first, Meshtastic –
Continue readingIn previous parts we built device sending messages to LoRaWAN , now we will build TTN range tester with Heltec Wireless Stick and GPS receiver.
Continue readingIn the previous part we have created simple app sending some data to LoRaWAN. We have used OTAA (Over The
Continue readingHeltec Wireless Stick is ESP32 module with LoRaWAN capabilities. Heltec provides own LoRaWAN stack, but since ESP32 and SX1262 (LoRa
Continue readingI often do some quick test of different modules. Most of them are on I2C and usage on Wemos two
Continue readingThe 128×64 resolution blue-white graphic LCD module is slightly better for many projects compared to character LCD displays. Here, I
Continue readingI’m testing a new sensor from Winsen. It is ZE25a-O3 and as name promises it is ozone (O3) sensor. Last
Continue readingWhen I wrote about ESP01 and relay module this was obvious, that some similar modules should be available. And yes,
Continue readingWe have ST7796 driven LCD modules. Display has diameter 4″ and resolution 480×320. This module has also resistive touch screen,
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