As you may have noticed, there is an SD card library included with the Arduino IDE. However, we prefer the above-introduced library. Also remember to format your microSD card using your computer (try ...

[Kevin] attached a MicroSD breakout board to an Arduino-compatible clone. When the clone starts up, it searches the SD card for a file called ‘program.hex.’ This file is sent over to the ...

But thanks to the rtl_433_ESP Arduino library developed ... All you need is an ESP32 microcontroller and a CC1101 or SX127X transceiver module. ... plus adds a handy OLED display and microSD slot.

Do you desire a teeny, tiny, little Arduino board with OLED display? You bet you do! Microview is a new "chip-sized" Arduino on Kickstarter that costs $45. What can it do? All kinds of stuff!