# BLEFYI > The BLE Chip Encyclopedia & Toolkit — 35 BLE chips, guides, and tools. ## Markdown Endpoints Every page supports `.md` suffix for LLM-friendly markdown: - https://blefyi.com/chip/nrf52840.md - https://blefyi.com/guide/what-is-ble.md - https://blefyi.com/glossary/gatt.md ## Content Index ### BLE Chips - [nRF52832](https://blefyi.com/chip/nrf52832/.md): nRF52832 -- Nordic's mid-range BLE 5.0 SoC with Cortex-M4 and Mesh support. - [nRF52840](https://blefyi.com/chip/nrf52840/.md): nRF52840 -- Nordic's flagship BLE 5.0 SoC with Zigbee, Thread, and USB. - [nRF5340](https://blefyi.com/chip/nrf5340/.md): nRF5340 -- Nordic's dual-core BLE 5.2 SoC with LE Audio and direction finding. - [nRF54L15](https://blefyi.com/chip/nrf54l15/.md): nRF54L15 -- Nordic's ultra-low-power BLE 5.4 SoC with PAwR and RRAM. - [nRF54H20](https://blefyi.com/chip/nrf54h20/.md): nRF54H20 -- Nordic's high-performance multi-protocol SoC with ML capabilities. - [ESP32](https://blefyi.com/chip/esp32/.md): ESP32 -- dual-core Wi-Fi + BLE 4.2 SoC for makers and IoT. - [ESP32-C3](https://blefyi.com/chip/esp32-c3/.md): ESP32-C3 -- RISC-V Wi-Fi + BLE 5.0 SoC for cost-effective IoT. - [ESP32-C6](https://blefyi.com/chip/esp32-c6/.md): ESP32-C6 -- Wi-Fi 6 + BLE 5 + Thread combo for Matter-ready IoT. - [ESP32-S3](https://blefyi.com/chip/esp32-s3/.md): ESP32-S3 -- dual-core Wi-Fi + BLE 5 SoC with AI/ML vector extensions. - [CC2642R](https://blefyi.com/chip/cc2642r/.md): CC2642R -- TI's BLE 5.1 SoC with AoA/AoD direction finding. ### Reference - [All Chips](https://blefyi.com/chip.md) - [Bluetooth Versions](https://blefyi.com/version.md) - [GATT Profiles](https://blefyi.com/profile.md) - [Beacon Protocols](https://blefyi.com/beacon.md) - [Glossary](https://blefyi.com/glossary.md) ### Guides & Tools - [Guides](https://blefyi.com/guide.md) - [Use Cases](https://blefyi.com/use-case.md) - [Tools](https://blefyi.com/tools/) - [Comparisons](https://blefyi.com/compare.md) - Full reference: https://blefyi.com/llms-full.txt ## Related - [NFCFYI](https://nfcfyi.com/llms.txt) — The NFC Chip Encyclopedia & Toolkit - [QRCodeFYI](https://qrcodefyi.com/llms.txt) — The QR Code Encyclopedia & Toolkit - [BarcodeFYI](https://barcodefyi.com/llms.txt) — The Barcode Encyclopedia & Toolkit - [RFIDFYI](https://rfidfyi.com/llms.txt) — The RFID Encyclopedia & Toolkit - [SmartCardFYI](https://smartcardfyi.com/llms.txt) — The Smart Card Encyclopedia & Toolkit