Hackaday (unofficial) October 18, 2021 12:00am Hackaday Links: October 17, 2021 #hackadaycolumns #hackadaylinks #counting #fellowship #ohs #openhardwaresummit #optics #pcbdesign #stungun #walrus #wwf #hackaday posted by pod_feeder_v2 Hackaday Links: October 17, 2021 We found a couple of headlines this week that seemed pretty alarming at first, mentioning as they did both “Chinese grannies” and “stun guns.” Digging a little deeper, it ap…