KAGA FEI ES4L15MA1 is a ridiculously small, ready-to-use BLE 6.0 module based on Nordic nRF54L15 SoC

Japanese company KAGA FEI has introduced another incredibly small ES4L15MA1 Bluetooth LE 6.0 module based on Nordic Semiconductor’s nRF54L15 ultra-low-power Cortex-M33 wireless MCU. Launched alongside the larger EC4L15MA1 module, the ES4L15MA1 module appears to be based on the same hardware as the ES4L15BA1 “world’s smallest module” unveiled in 2024 with an 8.55 x 3.25 x 1.00 mm form factor. The main difference is that the new modules come with ready-to-use embedded software providing a command-based API via UART to shorten product…

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