ESP32 and MicroPython
MicroPython
micropython.org
MicroPython is an MIT-licensed Python ~3.4 for ...
- PyBoard
- Micro:Bit
- ESP8266
... and now ...
Espressif ESP8266
| Arduino | ESP8266 | ESP32 | RPi 0 W |
|---|
AVR
ATMega328P | Tensilica
Xtensa LX106 | Tensilica
Xtensa LX6 | ARM
BCM 2835 |
| 8 bit | 32 bit | 32 bit | 32 bit |
| 1 core | 1 core | 2 core
plus ULP | 1 core
plus GPU |
| 20 MHz | 80-160 MHz | 240 MHz | 1 GHz |
| 2 KB RAM | 160 KB RAM | 520 KB RAM | 512 MB RAM |
| 32 KB Flash | 4 MB Flash | 16 MB Flash | MicroSD |
Espressif ESP32
| Arduino | ESP8266 | ESP32 | RPi 0 W |
|---|
AVR
ATMega328P | Tensilica
Xtensa LX106 | Tensilica
Xtensa LX6 | ARM
BCM 2835 |
| 8 bit | 32 bit | 32 bit | 32 bit |
| 1 core | 1 core | 2 core
plus ULP | 1 core
plus GPU |
| 20 MHz | 80-160 MHz | 240 MHz | 1 GHz |
| 2 KB RAM | 160 KB RAM | 520 KB RAM | 512 MB RAM |
| 32 KB Flash | 4 MB Flash | 16 MB Flash | MicroSD |
ESP32 Features
- WiFi 2.4GHz
- Bluetooth (BLE)
- Many I/O lines
- ADC, DAC, PWM, Capacitive Touch
- ULP Processor, Hall effect sensor
Progress — 1
- 2016-08: PyConAU 2016 IoT MiniConf!
- 2016-11: ESP32 modules start becoming available
- 2016-12: Initial port to ESP32 w/ REPL (Damien George)
- 2016-12: WiFi, Sockets, GPIO (Nick Moore)
Progress — 2
- 2016-12: ESP32 branch on Github!
- 2017-01: LinuxConfAU featuring "IoTuz"
- 2017-01: Support for NeoPixels (tyggerjai)
- 2017-02: More I/O functions
- 2017-03: Hardware SPI (Eric Poulsen)
Progress — 3
- 2017-04: machine.PWM and hardware SHA (Andy Valencia)
- 2017-05: UART support (Odd Stråbø)
- 2017-06: Hardware Timers (Alex King)
- 2017-08: PyConAU again!
Progress — 4
- BLE Implementation (#86)
- Deepsleep modes (#32)
- MCPWM (#94)
- Ultra Low Power CPU
- psRAM
(Serial attached RAM in WROVER, ESP32-PRO, ALB32-WROVER)
- Bitmap displays / framebuffers
MicroPython / ESP32 Sprint
Monday!
Questions?
Nick Moore <nick@mnemote.com> for PyCon AU 2017
