Now the long winter evenings are upon us we thought it would be a good idea to have a theme for most Sunday meetings. Here are a few suggestions, now over to you to express interest and offer anything you could do a mini-workshop on (bearing in mind the constraints of a power, noise etc.) SIP telephony with Asterisk – build a 100 line telephone system for £40 – JJ  Track aircraft activity – build an ADS-B receiver for under £40 – JJ  Introduction to microcomputing with the Arduino or ESP8266/ESP32 – Nigle  Introduction to lock picking – JJ+Nigle Introduction…