--- title: "Victor Chang (@immemo) | Hashnode" description: "Software engineering and DIY electronic gadgets. Read the latest articles by Victor Chang on Hashnode." url: "https://hashnode.com/@immemo" --- @immemo # Victor Chang @immemo · Joined June 2023 Software engineering and DIY electronic gadgets ### [Trying to use a former Zigbee Coordinator as a Repeater](https://victorchang.codes/use-a-former-zigbee-coordinator-as-a-repeater?utm_source=hashnode&utm_medium=feed) I couldn't get my ZBDongle-E dongle to be a router in my Zigbee mesh, but figured out the trick that hadn't been mentioned elsewhere. 2 min read · [victorchang.codes](https://victorchang.codes/use-a-former-zigbee-coordinator-as-a-repeater?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/use-a-former-zigbee-coordinator-as-a-repeater/6a3779e6385feba23e2dfc3e) [Jun 21](https://hashnode.com/posts/use-a-former-zigbee-coordinator-as-a-repeater/6a3779e6385feba23e2dfc3e) ### [Make Your Ceiling Fans Smart with Home Assistant - Round 2](https://victorchang.codes/controlling-ceiling-fans-with-home-assistant-part-2?utm_source=hashnode&utm_medium=feed) Following up on my post about controlling ceiling fans, let’s address some of the shortcomings, which are: ESPHome 2025.2 removed support for dbuezas’ CC1101 custom component. We need a way forward. IoT controls generally assume you can specificall... 11 min read · [victorchang.codes](https://victorchang.codes/controlling-ceiling-fans-with-home-assistant-part-2?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/controlling-ceiling-fans-with-home-assistant-part-2/688be1c85fa22486cb4f2a94) [Jul 31, 2025](https://hashnode.com/posts/controlling-ceiling-fans-with-home-assistant-part-2/688be1c85fa22486cb4f2a94) ### [Accurate Thermal Control with Basic Space Heaters](https://victorchang.codes/accurate-thermal-control-with-basic-space-heaters?utm_source=hashnode&utm_medium=feed) There’s a problem with temperature-controlled space heaters — they’re all terrible at temperature control. Hear me out It’s physically impossible for any (self-contained) space heater to maintain a target temperature with any respectable precision. A... 6 min read · [victorchang.codes](https://victorchang.codes/accurate-thermal-control-with-basic-space-heaters?utm_source=hashnode&utm_medium=feed) [Mar 16, 2025](https://hashnode.com/posts/accurate-thermal-control-with-basic-space-heaters/67d73eac2c7f2395d918f0f8) ### [Controlling Ceiling Fans with Home Assistant](https://victorchang.codes/controlling-ceiling-fans-with-home-assistant?utm_source=hashnode&utm_medium=feed) Used a Home Assistant-controlled radio transmitter to control my ceiling fans! 6 min read · [victorchang.codes](https://victorchang.codes/controlling-ceiling-fans-with-home-assistant?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/controlling-ceiling-fans-with-home-assistant/664196fea36f7e5967cbedba) [May 13, 2024](https://hashnode.com/posts/controlling-ceiling-fans-with-home-assistant/664196fea36f7e5967cbedba) ### [Reverse Engineering the Emporia Vue Utility Connect](https://victorchang.codes/reverse-engineering-the-emporia-vue-utility-connect?utm_source=hashnode&utm_medium=feed) Emporia changed their protocol, let's figure it out. 7 min read · [victorchang.codes](https://victorchang.codes/reverse-engineering-the-emporia-vue-utility-connect?utm_source=hashnode&utm_medium=feed) [Dec 10, 2023](https://hashnode.com/posts/reverse-engineering-the-emporia-vue-utility-connect/65760ac5ca85638b1b958ae2)