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2 devices
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AVR-HF ADX-MI3

transceiver
AVR-HF ADX-MI3

Pre-built digital mode QRP transceiver for amateur radio, supporting FT8, FT4, JS8, and WSPR on HF bands from 160m to 6m with ~5W output, OLED display, and single USB-C cable operation.

AVR 8-bit single-core @ 16MHz2KB SRAM32KB
Amateur RadioDigital Mode HfQrp Portable OperationOff Grid Communication
~$70View

Heltec WiFi Kit 8

Development Board
Heltec WiFi Kit 8

ESP8266-based IoT development board by Heltec with built-in 0.91-inch OLED display, Li-Po battery management, and WiFi connectivity in a compact 50.9x18.2mm form factor.

ESP8266520 KB4 MB17 GPIOWiFi 802.11n
iotSmart HomeEnvironmental MonitoringEducational Platform
~$8View

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