Wireless Wonders: A Look at BLE and More
https://elektor.clickmeeting.com/wireless-wonders-a-look-at-ble-and-more
Introduction to Solid-State Lighting
https://elektor.clickmeeting.com/introduction-to-solid-state-lighting
World Ethical Electronics Forum 2022
https://elektor.clickmeeting.com/world-ethical-electronics-forum-2022