![What are these buttons? And how would I interface an esp32 with them? This is the inside of a Honeywell HPA300 Air Purifier : r/diyelectronics What are these buttons? And how would I interface an esp32 with them? This is the inside of a Honeywell HPA300 Air Purifier : r/diyelectronics](https://external-preview.redd.it/f0xMC_UMHtxZ15ta1Lhbl9DOIL1Kls7xPbpgXxDqz14.jpg?auto=webp&s=0b81ecf15795a8ca9762dd264a8ee312801a21f1)
What are these buttons? And how would I interface an esp32 with them? This is the inside of a Honeywell HPA300 Air Purifier : r/diyelectronics
![🥇 Honeywell HPA100 vs HPA200 vs HPA300 Air Purifier Overview | More Info in Description - YouTube 🥇 Honeywell HPA100 vs HPA200 vs HPA300 Air Purifier Overview | More Info in Description - YouTube](https://i.ytimg.com/vi/WRF204f7ti0/maxresdefault.jpg)
🥇 Honeywell HPA100 vs HPA200 vs HPA300 Air Purifier Overview | More Info in Description - YouTube
![Honeywell True HEPA Replacement Filter for HPA100, HPA200, HPA300 series Air Purifiers | The Home Depot Canada Honeywell True HEPA Replacement Filter for HPA100, HPA200, HPA300 series Air Purifiers | The Home Depot Canada](https://images.homedepot.ca/productimages/p_1000733813.jpg?product-images=l)
Honeywell True HEPA Replacement Filter for HPA100, HPA200, HPA300 series Air Purifiers | The Home Depot Canada
![Honeywell 4-Speed Black True HEPA Air Purifier ENERGY STAR (Covers: 465-sq ft) in the Air Purifiers department at Lowes.com Honeywell 4-Speed Black True HEPA Air Purifier ENERGY STAR (Covers: 465-sq ft) in the Air Purifiers department at Lowes.com](https://mobileimages.lowes.com/productimages/1ebb85f9-3eb9-4cb1-9544-5d23dab26a11/44884906.jpg)
Honeywell 4-Speed Black True HEPA Air Purifier ENERGY STAR (Covers: 465-sq ft) in the Air Purifiers department at Lowes.com
![HPA300 HEPA Replacement Filter R for Honeywell HPA 300 HPA200 Air Purifier, 3-Pack : Amazon.co.uk: Home & Kitchen HPA300 HEPA Replacement Filter R for Honeywell HPA 300 HPA200 Air Purifier, 3-Pack : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/61d6wCOtaeL._AC_UF894,1000_QL80_.jpg)