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040000 tree 1e9152fc01748faee9396bdfa9d18f722027d948	esp32
040000 tree 2deb70b734e13599830f8240d7747edd1f8b0b9a	linux-cirque
040000 tree efc7694cfa11ac7cc8eeb3cbacbbcf212c345faa	mbed
040000 tree 33539112abbaaa18e7a49cf20f220d1c95e68523	nrfconnect
040000 tree d926d36ae0c5dbba5a31a6ad8736d6b09ccc1499	openiotsdk
040000 tree a3cbcffdea220c489ee38bbab694c6fb5f0b0c88	tizen