It's a backword record: on 23 March 2018.
At around EXC, I've fixed breadboards on the pylons, and put some optical parts, including a QPD circuit #007. I've checked the light source can emit light.
It's a backword record: on 23 March 2018.
At around EXC, I've fixed breadboards on the pylons, and put some optical parts, including a QPD circuit #007. I've checked the light source can emit light.
