EnviroDIY | SPY | Activity https://www.envirodiy.org/members/supriyono/activity/ Activity feed for SPY. Sun, 05 Apr 2026 14:59:11 -0400 https://buddypress.org/?v= en-US 30 hourly 2 e2fe7ee6afe71912b2fc3288618a6093 SPY replied to the topic Serial1 of MayFly could not communicate in the forum Other Data Loggers https://www.envirodiy.org/topic/serial1-of-mayfly-could-not-communicate/#post-17427 Tue, 01 Nov 2022 16:14:37 -0400 Dear Shannon , I have already connected the GND of the Modem and GND of the Mayfly. Interfacing between Mega2560 to the Modem I have used of level converter ( 3.3V to 5 V) for TX1 and RX1 . Because the operating of the modem is 3.3 Volt and the the Mega is a 5 Volt.

The operating of the Modem was a 3.3 Volt for the RX1 and TX1  and operating the…[Read more]

]]> 199fa0eb6202c010d6c9d09eb19f0c9a SPY started the topic Serial1 of MayFly could not communicate in the forum Other Data Loggers https://www.envirodiy.org/topic/serial1-of-mayfly-could-not-communicate/ Mon, 31 Oct 2022 02:46:52 -0400 I want to communicate mayfly with satellite Modem Swarm M138. Via the serial1 port on the arduino mega2560 connected to the Swarm Modem, the sketch I built can communicate well, but when  the serial1 port on the mayfly (2x10header) can’t communicate with the m138 swarm modem. Do any of you have any suggestions to overcome this?

]]> 15ad4f66cf187f5a6a7fb342400b8e63 SPY became a registered member https://www.envirodiy.org/activity/p/8357/ Mon, 31 Oct 2022 02:30:10 -0400 0