2 layers68.6 × 53.3 mmTapMatrixcbonsig/openclockOpen Clock: an open source hardware touchscreen digital clock31 parts27
4 layers68.6 × 53.3 mmTapMatrixcbonsig/openclockOpen Clock: an open source hardware touchscreen digital clock31 parts27
4 layers68.6 × 53.3 mmTapMatrixcbonsig/openclockOpen Clock: an open source hardware touchscreen digital clock65 parts27