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040000 tree 1e9152fc01748faee9396bdfa9d18f722027d948	esp32
040000 tree 476042eecc2576f3af711c9ca22730bdd9133c02	linux-cirque
040000 tree efc7694cfa11ac7cc8eeb3cbacbbcf212c345faa	mbed
040000 tree 8d9ad6deac59fc6aaf5cc021ccbabd144bd9ae39	nrfconnect
040000 tree d926d36ae0c5dbba5a31a6ad8736d6b09ccc1499	openiotsdk
040000 tree 164a99b759b46e7cb129b2990e0231bb64778a22	tizen