This shield is used to flash my Arduino Pro Mini with OptiBoot ... sketch like LoraWan device with LMIC stack for my Mini LORA Board. Nothing special to say, it's just some wiring, ICSP pins for ...

You need to select Arduino Pro or Pro mini, ATmega328P (3.3V, 8MHz) in the Arduino IDE. An USB-Serial adapter that provides 3.3V is required, otherwise the radio chip can be damaged. The example ...

Everything is driven by an Arduino Pro Mini. The lights are APA106 LEDs; a 4-pin through-hole package version of the WS2812 pixels. You could easily substitute these for the surface mount ...

SparkFun’s latest development board, the ESP32 Qwiic Pro Mini, puts the Espressif ESP32-PICO-MINI-02 on a compact Arduino Pro Mini footprint ... You see the programming header is directly connected to ...

You can either power your circuit through the FTDI programming board as I have did, or use a 9V battery or 12V adapter and connect it to the Raw pin of the Arduino pro mini. The Arduino Pro-mini has ...

This clock gets the current time and date using the DS3231 RTC module and then this time is displayed on Neo-Pixel LEDs using Arduino Pro Mini. The DS3231 is a low ... communication protocol so the ...