1. The kit is fit for beginners learning and application 51 single-chip microcomputers before developing. 2. The power supply mode adopts both USB interface power supply, and be additionally connected with 5V switching. 3. Adopting 11.0952MHz crystal oscillator, serial communication can be carried out. 4. All 32 I/O ports have been externally extended. 5. P0 port uses a 4.7K ohm pull-up resistor design, so users do not have to worry about the lack of driving ability of P0 port. 6. Package Contents: 1 x Singlechip System Board, 1 x Singlechip Program Downloader, 1 x 5P DuPont line, 1 x USB Power Cord, 1 x Fixed Screw Holder, 1 x Plastic Box
