I thought about making one of these - actually I designed it, but never made the PCB for it - because the internet is full of similar ones: https://www.ebay.com

I thought about making one of these - actually I designed it, but never made the PCB for it - because the internet is full of similar ones: https://www.ebay.com.au/itm/195143066807 https://www.ebay.com.au/itm/195143066807