In this video I'll be showing you how you can control the contrast and the back light brightness of a 1602 LCD display with just the Arduino. The contrast is typically adjusted with a variable ...
In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...
const int LORA_POWER = 20; // set TX power to maximum const int LORA_RETRIES = 12; // try to init LoRa several times before error const int LORA_DELAY = 500; // delay ...
//LoRa_E22 e22ttl(RX, TX, AUX, M0, M1); // Arduino RX <-- e22 TX, Arduino TX --> e22 RX // LoRa_E22 e22ttl(D3, D4, D5, D7, D6); // Arduino RX <-- e22 TX, Arduino TX ...