ESP32

comparisons

ESP32

• https://maker.pro/esp8266/tutorial/a-comparison-of-the-new-esp32-s2-to-the-esp32

ESP32S

• https://www.espressif.com/en/support/documents/technical-documents
• https://www.amazon.com.au/ESP-WROOM-32-Development-Bluetooth-Ultra-Low-Consumption/dp/B07Z1RH9TR/ref=sr_1_7?dchild=1&keywords=esp32&qid=1630275723&s=electronics&sr=1-7
• https://www.amazon.com.au/Development-Supports-ESP32-CAM-Intelligent-Equipment/dp/B08CDCSQHL/ref=sr_1_3_sspa?dchild=1&keywords=esp32&qid=1630275723&s=electronics&sr=1-3-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyTTZPWDdTVTdLV1ZDJmVuY3J5cHRlZElkPUEwMjYyNjI4NDdWQTE2QzFFWFozJmVuY3J5cHRlZEFkSWQ9QTFNSFBWREQwRDZUVDMmd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl
• camera
  • https://www.amazon.com.au/Development-Supports-ESP32-CAM-Intelligent-Equipment/dp/B08CDCSQHL/ref=sr_1_3_sspa?dchild=1&keywords=esp32&qid=1630275723&s=electronics&sr=1-3-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyTTZPWDdTVTdLV1ZDJmVuY3J5cHRlZElkPUEwMjYyNjI4NDdWQTE2QzFFWFozJmVuY3J5cHRlZEFkSWQ9QTFNSFBWREQwRDZUVDMmd2lkZ2V0TmFtZT1zcF9hdGYmYWN0aW9uPWNsaWNrUmVkaXJlY3QmZG9Ob3RMb2dDbGljaz10cnVl
  • https://www.youtube.com/watch?v=MKiITEsOwRA&feature=youtu.be
• https://www.espressif.com/en/products/devkits/esp32-devkitc/overview
• https://www.amazon.com.au/NodeMcu-Wireless-Internet-Development-ESP8266/dp/B098NFQTMT/ref=sr_1_13_sspa?crid=3QSM2UM882Y21&dchild=1&keywords=esp8266+nodemcu&qid=1630274953&s=electronics&sprefix=ESP%2Celectronics%2C427&sr=1-13-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExVFpNMTNERlhOMjJWJmVuY3J5cHRlZElkPUEwMTM3MjE4MVpCVElXUjBKUTFaSSZlbmNyeXB0ZWRBZElkPUEzM0k0TlNBQTJYN0pOJndpZGdldE5hbWU9c3BfbXRmJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==
• https://www.espressif.com/en/products/socs/esp32

ESP8266 NodeMCU

ESP-01

ESP-01 module pinout

The pinout is as follows for the common ESP-01 module:

1. GND, Ground (0 V)
2. GPIO 2, General-purpose input/output No. 2
3. GPIO 0, General-purpose input/output No. 0
4. RX, Receive data in, also GPIO3
5. VCC, Voltage (+3.3 V; can handle up to 3.6 V)
6. RST, Reset
7. CH_PD, Chip power-down
8. TX, Transmit data out, also GPIO1

ESP-12F

ESP8266 Die shot

suppliers

ESP32S dev boards

• U$3.29 ESP32S CP2102 dev

ESP32S modules

• U$1.64 ESP32S module

ESP8266 dev boards

Development boards make it relatively easy to setup an IDE on a computer and cross-compile code to be loaded into the target module (which contains an ESP chip).

• Celectronics ESP8266 NodeMCU
• DIGISHUO ESP8266 NodeMCU
• ESP8266 NodeMCU lua

ESP8266 modules

• A$3.76 ESP8266 ESP-12F 12S

audio

• audio player https://www.instructables.com/ESP32-Audio-Player/
• hackster https://www.hackster.io/julianfschroeter/stream-your-audio-on-the-esp32-2e4661
• picoAudio https://hackaday.com/2019/10/06/professional-audio-on-an-esp32/
• audio sampling https://www.toptal.com/embedded/esp32-audio-sampling
  • https://github.com/atomic14/esp32_audio

ESP CVE

• Blue Tooth https://hackaday.com/2021/09/23/bluetooth-vulnerability-arbitrary-code-execution-on-the-esp32-among-others/?fbclid=IwAR3iELpa5ZEkpIk6BtpNNKrPcokjV-4rfprSGibgTh7PTN68kaX9MaJtKsM
• Zero PMK Installation (CVE-2019-12587)
• ESP32/ESP8266 EAP Client Crash (CVE-2019-12586)
• ESP8266 Beacon Frame Crash (CVE-2019-12588)
  • WiFi https://www.micro.ai/blog/wifi-vulnerabilities-on-esp32-esp8266-iot-devices
  • https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
• CVE-2019-17391 attacks the device cryptography through voltage glitching https://www.infoq.com/news/2019/12/esp32-fatal-fury/
• https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=ESP32

Development

• Using arduino IDE https://iotdesignpro.com/projects/getting-started-with-esp32-program-it-using-arduino-ide-blinking-led
• arduino IDE on a pi https://electropeak.com/learn/install-arduino-ide-on-raspberry-pi/

categories

• ESP32-pi https://www.hackster.io/news/sequent-microsystems-esp32-pi-aims-to-address-raspberry-pi-supply-shortages-for-some-use-cases-2dddc70ba29a