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Specs | ESP8266 12E | ESP-32 | Arduino UNO R3 | Raspberry PI 3 B+ | |
---|---|---|---|---|---|
Power Rating | 197 mA | 220 mA | 200mA | 459mA | |
Core | 1 | 2 | 1 | 4×Cortex-A53 | |
Arquitecture | 32-bits | 32-bits | 8-bits | 64-bits | |
Clock | 80-160MHz | 160-240MHz | 16MHz | 1.4GHz | |
WiFi | Yes | Yes | No | b/g/n/ac dual band | |
Bluetooth | No | Yes-Classic & BLE | No | 4.2 LS BLE | |
RAM | 160KB | 520KB | 2K | 1GB | |
Flash | 16MB | 16MB | 32KB | 1-2 or 4GB LPDDR4-3200 RAM | |
GPIO | 11 | 22 | 12 | 40 (28 accessable) |
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/*! | |
* Dynamically changing favicons with JavaScript | |
* Works in all A-grade browsers except Safari and Internet Explorer | |
* Demo: http://mathiasbynens.be/demo/dynamic-favicons | |
*/ | |
// HTML5™, baby! http://mathiasbynens.be/notes/document-head | |
document.head || (document.head = document.getElementsByTagName('head')[0]); | |
function changeFavicon(src) { |