EnviroDIY | AyeChan | Activity https://www.envirodiy.org/members/ayechan/activity/ Activity feed for AyeChan. Sun, 17 May 2026 01:49:31 -0400 https://buddypress.org/?v= en-US 30 hourly 2 8cf253e25a179d8a283c1507e451ee1f AyeChan replied to the topic Optical dissolved oxygen solutions? in the forum Environmental Sensors https://www.envirodiy.org/topic/optical-dissolved-oxygen-solutions/#post-13655 Thu, 16 Jan 2020 08:43:33 -0500 Hi,

I have a problem in communication between arduino uno and yosemitech Y504-A (http://yosemitech.sell.everychina.com/p-101690172-y502-a-online-optical-dissolved-oxygen-sensor.html). I use MAX485 module (https://hobbycomponents.com/wired-wireless/663-max485-rs485-transceiver-module). Honestly I am new in Modbus, so please teach me how to solve…[Read more]

]]> f6aa0ae8b8e36a43d2691bd0c8ffd8b3 AyeChan became a registered member https://www.envirodiy.org/activity/p/4698/ Thu, 16 Jan 2020 07:43:50 -0500 0