Ai Thinker

US$14.51
This is an entry-level development board based on Espressif ESP32-S2 SoC, which is is equipped with Xtensa® 32-bit LX7 single-core processor, operating frequency up to 240 MHz, supports secondary development without using other microcontrollers or processors. The ESP32-S2 has industry-leading low-power performance and RF performance, supports IEEE802.11b / g / n protocol, integrates Wi-Fi MAC, Wi-Fi RF and baseband, RF switch, RF Balun, power amplifier, low noise Amplifier, etc, designed for various applications such as internet of things (IoT), mobile devices, wearable electronics, smart home, etc.
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US$18.75
The ESP-C3-32S-Kit ESP32 is a development board based on an ESP32-C3 microcontroller that allows you to add Bluetooth and wifi capabilities to your projects.
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US$7.11
This is a general-purpose Bluetooth module designed by Ensign Technology for the Internet of Things.
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US$7.11
This is a general-purpose Bluetooth module designed by Ensign Technology for the Internet of Things.
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US$6.99
The ESP-12S is a WiFi module based on ESP8266, with built-in 32Mbit Flash, in the small SMD16 package. There're also onboard PCB antenna and metal shield. In short, it's a small form factor and fairly high cost effective WiFi module.
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