Doridian on Nostr: The little Meshtastic node inside of my ThinkPad T420s is surprisingly good (one of ...
The little Meshtastic node inside of my ThinkPad T420s is surprisingly good (one of the antennas measured quite well for the frequencies used, so I wired it in. I assume it was meant for GNSS? Or UMTS?).
The PCB is a quick custom design I whipped up in EasyEDA to connect an ESP32-S3 with an SX1262 radio chip. It uses the USB pins of the MiniPCIe slot originally intended for a WWAN modem in this laptop :3
Published at
2025-12-27 04:34:03 UTCEvent JSON
{
"id": "5a1c2a96dc7f540de48e2c6f5a1e92797867a3e22c6f1addb89367aa0dcda9ab",
"pubkey": "6005291ebd33f23024cd097b14ba514c3dc9e39b2ffb12b63c2f61eadf31d182",
"created_at": 1766810043,
"kind": 1,
"tags": [
[
"imeta",
"url https://furry.engineer/system/media_attachments/files/115/789/656/262/594/193/original/f2ce68ddf65719d9.jpg",
"m image/jpeg"
],
[
"proxy",
"https://furry.engineer/@Doridian/115789662996245250",
"web"
],
[
"imeta",
"url https://furry.engineer/system/media_attachments/files/115/789/656/251/063/128/original/ec34412ceffd2c66.jpg",
"m image/jpeg"
],
[
"proxy",
"https://furry.engineer/users/Doridian/statuses/115789662996245250",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://furry.engineer/users/Doridian/statuses/115789662996245250",
"pink.momostr"
],
[
"-"
]
],
"content": "The little Meshtastic node inside of my ThinkPad T420s is surprisingly good (one of the antennas measured quite well for the frequencies used, so I wired it in. I assume it was meant for GNSS? Or UMTS?).\n\nThe PCB is a quick custom design I whipped up in EasyEDA to connect an ESP32-S3 with an SX1262 radio chip. It uses the USB pins of the MiniPCIe slot originally intended for a WWAN modem in this laptop :3\nhttps://furry.engineer/system/media_attachments/files/115/789/656/251/063/128/original/ec34412ceffd2c66.jpg\nhttps://furry.engineer/system/media_attachments/files/115/789/656/262/594/193/original/f2ce68ddf65719d9.jpg\n",
"sig": "0f72f333f4571fa2390079247718c5732b8d53a3de344960901ecff65707b182d0c2b3c6337b93fbc7c4626658ee06d71b6ba80735989ce5b21ccc6865c4fccb"
}
