Bertrik Sikken

Revspace meshcore repeater

← Older revision Revision as of 23:10, 8 June 2026 (2 intermediate revisions by the same user not shown)Line 3: Line 3:   |Status=In progress  |Status=In progress   |Picture=Meshtower.png  |Picture=Meshtower.png   |Contact=Bas, Anne Jan, Paul  |Contact=Bas |Contact1=Anne Jan |Contact2=Paul }}}}

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= Revspace meshcore repeater == Revspace meshcore repeater = Er is een Revspace meshcore repeater, type MeshTower,…

Cheap non-bluetooth EC/TDS

← Older revision Revision as of 09:06, 8 June 2026 Line 278: Line 278: The cheapie probably underestimates the EC, because its temperature reading is too high.The cheapie probably underestimates the EC, because its temperature reading is too high. A temperature error of about 5 degrees means an error of about 10 percent.A temperature error of about 5 degrees means an error of about 10 percent. Approximately +2% per °C increase in…

← Older revision Revision as of 08:59, 8 June 2026 Line 1: Line 1: {{Project{{Project   |Name=MeshCore  |Name=MeshCore   |Status=Initializing  |Status=In progress   |Picture=Meshtower.png  |Picture=Meshtower.png   |Contact=Bas, Anne Jan, Paul  |Contact=Bas, Anne Jan, Paul

Bertrik Sikken uploaded File:Meshtower.png

New page

← Older revision Revision as of 10:11, 7 June 2026 (6 intermediate revisions by the same user not shown)Line 2: Line 2:   |Name=MeshCore  |Name=MeshCore   |Status=Initializing  |Status=Initializing |Picture=Meshtower.png   |Contact=Bas, Anne Jan, Paul  |Contact=Bas, Anne Jan, Paul }}}} Line 13: Line 14:   |InfoOpen=12:30  |InfoOpen=12:30   }}  }} = Revspace meshcore repeater = Er is een Revspace meshcore repeater, type MeshTower, gegevens per 2026-6-6: *…

Cheap non-bluetooth EC/TDS

← Older revision Revision as of 18:43, 6 June 2026 Line 270: Line 270:

Tear-down on hackaday: https://hackaday.io/project/184764-ectds-temp-meter-teardownTear-down on hackaday: https://hackaday.io/project/184764-ectds-temp-meter-teardown More info: https://dankar.github.io/hydrowatch/2014/11/20/interfacing-a-cheap-tds-meter-with-micro-controller/

Comparison with the BT785, using tap water:Comparison with the BT785, using tap water:

Project ideas

← Older revision Revision as of 17:59, 6 June 2026 Line 34: Line 34:

https://pine64.com/product/128mb-ox64-sbc-available-on-december-2-2022/https://pine64.com/product/128mb-ox64-sbc-available-on-december-2-2022/ TinyGS station: https://app.tinygs.com/station/bertrik@1430247931 === LilyGo T-Radar ====== LilyGo T-Radar === https://developer.acconeer.com/home/a121-docs-software/a121-esp32https://developer.acconeer.com/home/a121-docs-software/a121-esp32

Cheap non-bluetooth EC/TDS

← Older revision Revision as of 14:51, 6 June 2026 (One intermediate revision by the same user not shown)Line 270: Line 270:

Tear-down on hackaday: https://hackaday.io/project/184764-ectds-temp-meter-teardownTear-down on hackaday: https://hackaday.io/project/184764-ectds-temp-meter-teardown Comparison with the BT785, using tap water: * BT785: EC = 706 us/cm2, temperature = 20.7 * cheapie: EC = 482 us/cm2, temperature = 24.2 The…