I have quite a few of the older T6613/T6615 sensors that I got when Newark was selling them for like $10 a piece. The way I soldered the SCD41 is with a pre-ma

I have quite a few of the older T6613/T6615 sensors that I got when Newark was selling them for like $10 a piece. The way I soldered the SCD41 is with a pre-made PCB footprint, some solder paste and a mini PCB heater. I think the problem was too high heat. I need to try it again with low-temperature solder paste. But for my application the Senseair Sunrise looks a lot better.