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040000 tree 6d3e7ff3c3f498261150ed8b3cf09ae8823fad96	pi-blaster
040000 tree 021898d1feabfc5cfafbd48f9773299682cfd98d	python
040000 tree ac7e8e44c7bcac1d59c1581bd716e2d9449f0dcc	raspi-gpio