nRF52840 (ARM Cortex-M4F 64MHz)
2 devicesDevices powered by the Nordic nRF52840 ARM Cortex-M4F at 64MHz — featuring BLE 5.0 and IEEE 802.15.4 wireless connectivity.
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LILYGO T-Echo Plus
Dev BoardEnhanced T-Echo with nRF52840, SX1262 LoRa, L76K GPS, BHI260AP IMU, 2400mAh battery, 1.54-inch e-paper display, vibration motor, buzzer, and 1/4-inch mount — Meshtastic-ready with extended runtime.
nRF52840 ARM Cortex-M4F @ 64MHz2MB2MBBLE BLE 5.0Zigbee Zigbee (nRF52840)
~$63View
LILYGO T-Echo Lite
Dev BoardSimplified T-Echo with nRF52840, SX1262 LoRa, and optional L76K GPS — a low-cost, low-power LoRa node and Meshtastic-compatible board for off-grid mesh networking.
nRF52840 ARM Cortex-M4F @ 64MHz256KB SRAM1MBBLE BLE 5.0Zigbee Zigbee (nRF52840)
~$13View
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More to explore — popular traits shared by devices with CPU: nRF52840 (ARM Cortex-M4F 64MHz).