The NanoboyS3-JR is our small ESP32-S3, but full featured ESP32 development board.

The NanoboyS3-JR comes with some new features that make it a unique ESP32 board.

We provide schematic, assemble instructions, example sketches online and links to tutorial documentation websites, We offer a 30 day money-back guarantee, no questions asked.

Regular price: $14.9, Black Friday price: $9.9.

NanoboyS3-JR features:

• The new more integrated ESP32-S3-FH4R2 with internal 4 MB flash and internal 2 MB PSRAM.
• 32-bit 240 MHz Dual Core.
• 2.4 GHz Wi-Fi & IEEE 802.11b/g/n, Bluetooth 5, BLE+Mesh.
• 3.3V, 600mA LDO, 12uA deep sleep current.
• The reversing current blocking diode D2 is rated at 1A with very low leakage current.
• 18 GPIOs.
• Standard WS2812B RGB. The RGB is turned off when it's not in use. It will extend battery life.
• 5V power LED indicator and 5V presence detection.
• User LED.
• U.FL ANT or Whip ANT offers greater receiving sensitivity for Wi-Fi communication.
• Larger RESET pushbutton, easy to press.
• Includes a set of male and female headers and a 2-pin JST LiPo battery connector.
• Size: 1.2" X 0.7" or 30.48mm X 17.78mm.
• Pin spacing: X--0.1", Y--0.6"

Unique features on the NanoboyS3-JR

• A digital switch is added to turn off the battery level test circuit after the test is done. It will reduce deep sleep current significantly.
• With a Low Pass Filter, the battery charge status LED does not flicker when a battery is not connected.
• Long Reset Press (LRP) to enter bootloader mode, it's simple and easy to use, press the reset button until a red LED is lit
• to enter bootloader mode. No need to press 2 buttons at the same time. Once you use it, you may like it.