ESP32 PICO ECO V3
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Adafruit ItsyBitsy ESP32 PCB Antenna
Dev Board
Compact ItsyBitsy-format ESP32 board with 8MB flash, 2MB PSRAM, PCB antenna, Wi-Fi + Bluetooth Classic + BLE, 20 GPIO, NeoPixel, STEMMA QT, and Micro-B USB.
ESP32 PICO ECO V3520KB SRAM8 MBWiFi 802.11b/g/nBLE 5.0 Classic + BLE
~$15View

Adafruit ItsyBitsy ESP32 wFL Antenna
Dev Board
Compact ItsyBitsy-format ESP32 board with 8MB flash, 2MB PSRAM, w.FL external antenna connector, Wi-Fi + Bluetooth Classic + BLE, 20 GPIO, NeoPixel, STEMMA QT, and Micro-B USB.
ESP32 PICO ECO V3520KB SRAM8 MBWiFi 802.11b/g/nBLE 5.0 Classic + BLE
~$15View
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