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James Derrick

@jamesderrick@mastodon.social
mastodon 4.8.0-nightly.2026-10-06
  • Open on mastodon.social

Chartered Engineer, architect, technologist, Newbiggin dinghy sailor, cyclist and #OSM volunteer cartographer (17 years!) based in Northumberland, England, UK.
Regularly found taking about maps, bikes, #HomeAssistant, and sailing.

0 Followers
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10 Posts
Joined November 18, 2022
Website:
https://jamesderrick.org/
Open Street Map:
https://www.openstreetmap.org/user/James%20Derrick
Newbiggin Sailing Club:
https://www.newbigginsailingclub.org/
Open post
James Derrick @jamesderrick@mastodon.social
· 2mo ago

#ActiveTravel in action - #Brompton personal teleport cycle, then a train to #MakerSpace Newcastle.

Around here, 1950s cycling infrastructure seems better than 2020s, likely as designers still rode, wheeled, and walked.

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James Derrick @jamesderrick@mastodon.social
· 2mo ago

Well, that was an unexpectedly excellent evening - thanks to the organisers of the #HomeAssistant meetup in #newcastleupontyne !
Sort of anticipated techy conversations, but not the range of subjects and depth of interest. 😁🤯
Really enjoyed the company, and community discussion.
Great thanks to all who attended.
Hope my 30 years of automation were of interest.

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Open post
James Derrick @jamesderrick@mastodon.social
· 6mo ago
Replying to
@simon If I had a penny for every time I've unpicked a needlessly complicated multi-polygon relation with tens of chopped-up shared way segments, and replaced then with two simple ways, I could buy us both a beer! 🍻 😢 Map for maintenance, #SimpleIsBetter , don't try to be too clever in #OpenStreetMap (Oh, and learn about the #JOSM balloon tool - much easier for landcover, even when construction lines are needed to constrain it.)
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Open post
James Derrick @jamesderrick@mastodon.social
· 7mo ago
Replying to
@corbet My subscription to LWN is entirely based on your reputation. Curated, high-quality information, written by technical folks at the heart of Linux / FOSS communities for decades. An island of quality, in a sea of regurgitated slop from stochastic parrots.
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Open post
James Derrick @jamesderrick@mastodon.social
· 9mo ago
Replying to
@mjg59@nondeterministic.computer Good shout - I used the same library to get the Roomba creds for local MQTT control from Home Assistant: https://www.home-assistant.io/integrations/roomba/#manually-retrieving-your-credentials Looks like mapping data retrieval has been added since I last looked - great!
Home Assistant

iRobot Roomba and Braava

Instructions on how to integrate your Wi-Fi enabled Roomba and Braava within Home Assistant.

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Open post
James Derrick @jamesderrick@mastodon.social
· 6mo ago

Don't be tempted to use ESP32-C3 SuperMini modules. I found out too late that the WLAN PCB antenna is utterly mince on some very cheap copies.

Out of 5x modules, not one would reliably broadcast a visible AP, nor connect.
Even this promising antenna hack only got one on the network... intermittently. 😞
https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/

ESPsomfy , ESPhome , and Tasmota all failed due to hardware over two days of testing.😡

Trying again with better ESP32's... later!

#HomeAssistant #RFisBlackMagic

ESP32-C3 SuperMini ANTENNA MODIFICATION
Peter's electric trick and electronic blog

ESP32-C3 SuperMini ANTENNA MODIFICATION

Boosting ESP32-C3 SuperMini WiFi: A Simple and Effective Antenna Mod The ESP32-C3 SuperMini modules are incredibly affordable, costing around €2, and are equipped with a compact SMD antenna. Howeve…

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Open post
James Derrick @jamesderrick@mastodon.social
· 10mo ago
Replying to
@janeishly@beige.party Mine was a Gateway 2000 tower (DX2-66), originally in a black and white box cow box but close enough!
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Open post
James Derrick @jamesderrick@mastodon.social
· 6mo ago

After finding #BitWarden doesn't have an "Export Folder" option, I've written some Python to process an unencrypted JSON vault and extract ONE folder to a new file.

https://github.com/FloatingBoater/bitwardenfolder

This is enough to extract creds to share, without setting up organisations (my experiments hit enterprise-scale sysadmin pain with Folders/Collections!).

No sync, but importing again seems to create a new folder with the same name (so manually sync and delete).

Tested with #BitWarden and #VaultWarden .

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Open post
James Derrick @jamesderrick@mastodon.social
· 2mo ago

After spotting a new #openstreetmap `amenity=post_box type` `post_box:design=digital_drop_box` in the wild, I've [uploaded a picture to the wiki](https://wiki.openstreetmap.org/wiki/Key:post_box:design) .

It is like a post_box:design=parcel but with a large overhanging black solar cap (complete with gold finials), and unlike previous parcel boxes, it has post_box:apertures=2 with the usual large chute, and a separate letter slot. The parcel chute has the QR scanner lock like converted boxes.

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