Module received, I tested some call dial and receive from usb>ttl terminal
Power consumption is from 10mA standby to 200mA ringing.
Module play ringtone to speaker .... Nice surprise
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A project log for DIY GSM arduino FR4 cell phone
Simple gsm phone with 22x5 LED display, 16 keys, atsamd21, and sim800l module, QI charging
Module received, I tested some call dial and receive from usb>ttl terminal
Power consumption is from 10mA standby to 200mA ringing.
Module play ringtone to speaker .... Nice surprise
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