vs4vijay / vizesp

Viz-ESP

Using Arduino-IDE

• Add Board Manager URL "https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json"

• Download Driver (for Mac Only): https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers

  • Port: /dev/cu.SLAB_USBtoUART

On-board LED: GPIO PIN 2

Using Python

• Get esptool.py: https://github.com/espressif/esptool pip3 install esptool rshell

• Erase existing firmware: esptool.py --chip esp32 --port /dev/tty.SLAB_USBtoUART erase_flash

• Download and Flash MicroPython firmware

• Download: https://micropython.org/download#esp32

• Flash: esptool.py --chip esp32 --port /dev/tty.SLAB_USBtoUART --baud 460800 write_flash -z 0x1000 esp32-idf3-20190529-v1.11.bin

• Connect to Board using rshell rshell --port /dev/tty.SLAB_USBtoUART

>>> import machine
>>> pin = machine.Pin(2, machine.Pin.OUT)
>>> pin.on()
>>> pin.off()

Docs: https://docs.micropython.org/en/latest/esp32/tutorial/intro.html

Ref:

• https://micropython.org/unicorn/

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Using JavaScript

npm install espruino -g

• espruino --list

• Reset the Board espruino -p /dev/tty.SLAB_USBtoUART -b 115200 -e 'reset(); digitalWrite(2, 1); save();'

• Push the Code and Save espruino -p /dev/tty.SLAB_USBtoUART -b 115200 -e 'save()' WiFiConnect.js

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Connect to Board (over the serial port)

• Using rshell rshell --port /dev/tty.SLAB_USBtoUART

• Using screen screen /dev/tty.SLAB_USBtoUART 115200

• Using minicom minicom --baudrade 115200 --device /dev/tty.SLAB_USBtoUART