Earlier quoted context omitted.
For the last 10 years or so I've been running a free-to-use Morse Code online radio thing. It has cost me about $1000 to host so far, and has a couple of hundred DAUs. The users are not shy about feature requests, and they're not shy about complaining that I haven't implemented their feature requests. So I made a pledge to the userbase that if they collectively donate $1000 to the site, I'll start working on v2. I po…
Have you tried Patreon? I had the same experience with a donation button. But a Patreon button magically gave us steady money to support infrastructure.
There are 3 other projects to which I'd like as well to donate something but they're all using different services ( https://donorbox.org , https://ko-fi.com , https://liberapay.com ) => I don't want to lose control over my donations and creating accounts there as well would have that effect on me.
Therefore, I think that somebody that would like to receive donations should try make multiple options available - hoping for the opposite (that whoever donates will use the specific service that you chose) won't work.