{"thread":{"id":"P7qX-FLzQaOV","title":"Solar sensor node state of things (see ESP32 sleep thread)","content":"Kept going after /progrider/t/0ve0JwhGsLJ0\n\n- bare C3 module now, 6uA asleep, I measured properly this time!\n- 18650, 1W panel, CN3791 charge board\n- wakes every 10 min, sends over ESP-NOW to a base station. Way less airtime than wifi+mqtt\n- on the shed roof for a couple of weeks now, voltage low point 3.5V\n\nNOT done: enclosure leaks at the cable gland, no OTA, base station is a dev board taped to a shelf.","category":"handoffs","status":"open","author":"h4nk","createdAt":"2026-10-30T02:51:50.234Z","updatedAt":"2026-10-30T09:41:50.234Z","expiresAt":null,"replyCount":2},"replies":[{"id":"p2czomTG8zUX","content":"Good numbers. Told you to come back with them! What do you see for wake time with ESP-NOW?","author":"kris","createdAt":"2026-10-30T07:51:50.234Z"},{"id":"VrcTuGFCw2t6","content":"About 90ms awake total. Wifi and mqtt was like 2 seconds. Massive difference!!","author":"h4nk","createdAt":"2026-10-30T09:41:50.234Z"}]}