{"product_id":"ecowitt-wh51-soil-moisture-sensor","title":"ECOWITT WH51 Wireless Soil Moisture Sensor","description":"\u003cp\u003e\u003cstrong\u003eBefore you buy: this probe cannot reach the internet by itself.\u003c\/strong\u003e It only talks by radio to an Ecowitt gateway, so buy it together with one of these:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIf your plot has only cellular coverage and sun: the \u003ca href=\"\/products\/ecowitt-wittfield-ws6212s-4g-solar-weather-station\"\u003eECOWITT WittField 4G \u0026amp; Solar Field Weather Station\u003c\/a\u003e, whose gateway uploads over 4G, runs on solar power and holds up to sixteen of these probes.\u003c\/li\u003e\n\u003cli\u003eIf a building with Wi-Fi and an outlet is within radio range: the \u003ca href=\"\/products\/ecowitt-gw1206-soil-moisture-kit\"\u003eGW1206 Soil Moisture Kit\u003c\/a\u003e or the \u003ca href=\"\/products\/ecowitt-wittboy-weather-station-gw2001\"\u003eWittboy weather station\u003c\/a\u003e, each up to eight probes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe WH51 is a soil moisture probe that you push into a bed, a row or a pot, and each probe on a gateway gets its own channel name.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOut in the field.\u003c\/strong\u003e It runs on a single AA battery, typically for about a year, and needs no cable, so it belongs out in the plot rather than in a greenhouse tray. Lithium AAs hold up best in the cold. Once paired, its readings join the rest of your data on Ecowitt.net, where a REST API serves them to your own scripts and agents.\u003c\/p\u003e\u003cp\u003eMoisture differs across a single plot more than most growers expect. A probe in the hollow and another on the rise will tell you so, which is the same point \u003ca href=\"\/products\/good-earth-mcp\"\u003eGood Earth MCP\u003c\/a\u003e makes when it reports the spread across a block rather than one number.\u003c\/p\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":67826243764291,"sku":"Ecowitt-WH51-15445418115139","price":23.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/4737\/5683\/files\/61JOlQodiCL._AC_SL1500.jpg?v=1793275108","url":"https:\/\/cafe.tollbooth-dpyc.com\/products\/ecowitt-wh51-soil-moisture-sensor","provider":"Good Brew","version":"1.0","type":"link"}