Introduction - If you have any usage issues, please Google them yourself
To realize the function of:
2 cylinder, no sensor control. The first cylinder first out, back in 1 seconds after the harvest. Then the second cylinder and then back out, 1 seconds after the close, complete a process, and then start the cycle continues. Each process to count 1 shows in 4 digital tube on the right side, 4 digital tube display on the left side of the maximum count limit, once exceed this limit will automatically stop counting. There are 4 buttons, a button to start, a key to stop. In addition two buttons and button is used to set the upper limit, the maximum count shown on the left. The power requirements of the data is not lost. If you subtract two keys pressed at the same time, the count of the content can be cleared. The 4 key is independently pressed key. The S1 key is key, the S2 key is down button, S3 button is the start button, the S4 button is the emergency stop button. The 74HC595 driver for LED D1 simulation of light screen first cylinder, screen printing