![ESP8266 module comparison: ESP-01, ESP-05, ESP-12, ESP-201, Test Board and NodeMCU - Squix - TechBlog ESP8266 module comparison: ESP-01, ESP-05, ESP-12, ESP-201, Test Board and NodeMCU - Squix - TechBlog](https://blog.squix.org/wp-content/uploads/2015/03/ESP01v0.jpg)
ESP8266 module comparison: ESP-01, ESP-05, ESP-12, ESP-201, Test Board and NodeMCU - Squix - TechBlog
![Recommended memory settings in ESP8266 Arduino Core SDK v3.0.0 · Issue #201 · mobizt/Firebase-ESP8266 · GitHub Recommended memory settings in ESP8266 Arduino Core SDK v3.0.0 · Issue #201 · mobizt/Firebase-ESP8266 · GitHub](https://user-images.githubusercontent.com/16171979/118773286-e0c8ac00-b8ae-11eb-8136-4b26bfd95570.png)
Recommended memory settings in ESP8266 Arduino Core SDK v3.0.0 · Issue #201 · mobizt/Firebase-ESP8266 · GitHub
![Amazon.com: Ai-Thinker ESP-01S Genuine Module ESP8266 with 1MB Memory - Compatible with Arduino : Electronics Amazon.com: Ai-Thinker ESP-01S Genuine Module ESP8266 with 1MB Memory - Compatible with Arduino : Electronics](https://m.media-amazon.com/images/I/61vGKhRnlZS.jpg)
Amazon.com: Ai-Thinker ESP-01S Genuine Module ESP8266 with 1MB Memory - Compatible with Arduino : Electronics
![Trying to reduce espressif32 and espressif8266 build size to match arduino studio - Development Platforms - PlatformIO Community Trying to reduce espressif32 and espressif8266 build size to match arduino studio - Development Platforms - PlatformIO Community](https://community.platformio.org/uploads/default/original/2X/e/e1044e90c522d642e4fb181a726fbf3a3773b4b5.jpeg)
Trying to reduce espressif32 and espressif8266 build size to match arduino studio - Development Platforms - PlatformIO Community
![ESP8266 Node MCU board specifications and pins descriptions. Frequently asked questions related to WI-FI board esp8266 node MCU ESP8266 Node MCU board specifications and pins descriptions. Frequently asked questions related to WI-FI board esp8266 node MCU](https://1.bp.blogspot.com/-IcBvVvVPxOU/YQQeyHT3wRI/AAAAAAAACyc/lJ2oJKOvMzMGIhX1Jm2fy2ccm_5zSdC4QCLcBGAsYHQ/s1280/esp8266_label_compon_qVQo6.jpg)