Anybody have any experience with HDMI test generators? Found this one on Ebay:
https://www.ebay.com/itm/Monitor-Repairing-Testing-HDMI-VGA-CVBS-Video-Signal-Audio-Signal-Generator-5V/163783362142?epid=26035813790&_trkparms=ispr%3D1&hash=item26223fc65e:g:WeQAAOSwu95dLXtd&amdata=enc%3AAQAFAAACcBaobrjLl8XobRIiIML1V4Imu%252 Fn%252BzU5L90Z278x5ickkfOCvCjTOBWK8pwriaolq5tTK6t2 0pIevSYsW%252FawVTGasttd7Fc%252FxAT7gfedHLXzzHxPuF oe5apeDn9Vd%252BJc9J1dmvtZlbrd27dgbSTXx7bqFt3psFOb 7iLB6NCsF093l5qrhuX0f8p2m5ha26Bni%252BzGO8A0hMowwV K1ojFgmqEq%252Fp%252BIZxKpt8xZ84Rh4uB8603JjRsNb5B8 mKDHYAKG4TdMYvv2B6GvrWvmUudC8bgyuSCe0NiKu6u3iytfUd HJ9MKBUVAfTFwoNj%252BLg14ehHScs19mEKNO7ilNQ6L5CuuV OU0LxbmK4CPSkREegfhpQ3utJfIVwrOYATXh%252BHXnZVN06O NpFuZrjmQ1Cl%252FYm5EJxD2an4g3SaZr%252BrhnOdSN81Si Tnpyq9DB44YrHN8MMDdQUIO%252F7ErkDLswYnGCiA1SNHZx%2 52BmPAvDJfC1Q%252FQu49nhlUJ89FyhMosrCwH1eSGAjMMr9n WUeKl1gF8EKJgeq28mhjUoD0pqluVc5DKJ272QW%252B2Eal8V peeJSeqQqdKQ%252FCpx8K03HJtOiKPp3i1KXLubvZellzzF7a gBLzsqL9SxdTvXO78EUJRtemL6odTgPERhHzCV3o6It3D7fw2S FKW4G9K7uTuG4%252BDeEqR7Tx%252Fby%252F8fYLJdjzZuLL UtX9LgG85amKXbKK97E%252FpnE11CZYaXWM7dXhnmRmjgKPj% 252BdVtY6svLth%252FqKdqnnTzL2vMYcmTaU9dYBOleNvfbFc hZl%252FutVoVETi46ypcj1hOEHzb8Lj95tz0n6qqiq4J5SygB g%253D%253D%7Ccksum%3A1637833621429f7bc53695f5451a 90e2bdbb0c732f48%7Campid%3APL_CLK%7Cclp%3A2334524

I made two homemade ones. A PC based one using the DVI output (which converts easily to HDMI) and a Blu-ray DVD player which has an HDMI output.
Looking for something a little more compact. Thanks.