Help with generating a jpg from raw mqtt data and sending via telegam

[Steve-Mcl]

You set the buffer as msg.payload.content

Here are 3 working examples...

Unable to send text_link from telegram bot

Try using markdown... msg.payload = { content: msg.payload, //the image buffer caption: `There's someone at the door. [Live Image](http://camera_url).`, type : 'photo', chatId: "xxxx" } msg.payload.options = { parse_mode : "Markdown" }; return msg;

Node red sending picture to telegram

In your original example, the issue is likely because you are NOT sending a buffer. Here is a working example... [image] [image] To make it work import the demo flow setup the BOT connection send /picture to your bot NOTE: this demo uses node-red-contrib-telegrambot [image] The demo flow... [{"id":"4cdb400.5a8f3c","type":"telegram command","z":"5d3f964c.fef898","name":"/picture","command":"/picture","bot":"fa7a9376.321ce","strict":false,"hasresponse":false,"useregex":false,"removere…

Taking a picture and sending it via telegram

msg.payload.content can also be a buffer object Are you able to get the image from the webcam into a buffer? Here is a demo i did... [image] [image] [{"id":"99ee972c.22d088","type":"telegram sender","z":"5d3f964c.fef898","name":"","bot":"fa7a9376.321ce","x":930,"y":280,"wires":[["72b71335.355a9c"]]},{"id":"58e78fc.dd0b27","type":"telegram command","z":"5d3f964c.fef898","name":"/pic","command":"/pic","bot":"fa7a9376.321ce","strict":false,"hasresponse":false,"x":130,"y":280,"wires":[["3eb66…