To find out as what USB device the ESP32 is connected, open Terminal and enter: ls /dev/tty* | grep usb in my case I got /dev/tty.usbserial-14120 Now we can connect via screen: screen /dev/tty.usbserial-14120 115200 When you reset the board you should see something like this configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0030,len:5656 load:0x40078000,len:12696…
Motivation In Fire Beetle ESP 32 Project I wrote about connecting the FireBeetle ESP32 with the Arduino IDE and writing a little C-style program. Another interesting approach is to use MicroPython. Installing MicroPython Install esptool To get MicroPython onto the board we use the esptool command line. Because we are in the Python ecosystem we…
Motivation Out of curiosity I bought a ESP32 board to tinker with, but for almost half a year hadn’t got an idea what to do with it… But then! Project Idea The idea: Every time I get mail into my physical snail mail mailbox, the mailbox shall send a message via Telegram to my smartphone:…