Some boards benefit from a small form factor, which might be very practical depending on your project features. There is a wide variety of ESP8266 development boards with different sizes. That’s a factor you should take into account depending on your project features. Additionally, some boards have more accessible GPIOs than others. So make sure you have access to the pinout of the board you’re getting. Pin configuration and the number of pins. To properly use the ESP8266 in your projects, you need to have access to the board pinout (like a map that shows which pin corresponds to which GPIO and its features).BOOT and RESET/EN buttons to put the board in flashing mode or reset (restart) the board.This is important to easily connect the ESP8266 to your computer to upload code and apply power. Most full-featured development boards have these two features. USB-to-UART interface and voltage regulator circuit.When looking for an ESP8266 development board there are several aspects you need to take into account: ![]() While they all work in a similar way, some boards may be more suitable for some projects than others. There is a wide variety of ESP8266 boards from different vendors. How to Choose an ESP8266 Development Board? ![]() These come with all the needed circuitry to apply power, upload code, easy access to the GPIOs to connect sensors and actuators, an antenna for the Wi-Fi signal, and other useful features. You’ll find a wide variety of development boards with ESP-12E or ESP-12F chips. The ESP-01 and ESP-12E are the most popular versions. There are several versions of the ESP8266 modules as shown in the picture below. Xtensa Dual-Core 32-bit LX6 with 600 DMIPSĮSP32 Development Boards Review and Comparisonįor a more detailed analysis of the differences between those boards, we recommend reading the following article: ESP32 vs ESP8266 – Pros and Cons. The following table shows the main differences between the ESP8266 and the ESP32 chips: It works great, it has a huge community and it does the job for most DIY IoT projects. If you already have an ESP8266, don’t worry. If you want to start with any of these boards, we recommend getting an ESP32. The ESP32 combines Wi-Fi and Bluetooth and is dual-core. There is a successor of the ESP8266-the ESP32. Main Differences Between ESP8266 and ESP32 10-bit ADC (successive approximation ADC).UART on dedicated pins, plus a transmit-only UART can be enabled on GPIO2.I²S interfaces with DMA (sharing pins with GPIO).WEP or WPA/WPA2 authentication, or open networks.Integrated TR switch, balun, LNA, power amplifier, and matching network.External QSPI flash: up to 16 MiB is supported (512 KiB to 4 MiB typically included). ![]()
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