Powering with lithium battery 18650

IoTReady / a9_gsm_gps_library

Libraries for the AI Thinker A9/A9G GSM/GPS modems.

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Powering with lithium battery 18650 #19

Open Deenchi1 opened 1 year ago

Deenchi1 commented 1 year ago

The module works perfectly with ttl converter but once I replace the power source with 18650 battery I only get scrambled letters and numbers in return for any AT command. Plz help!?

nayaktel commented 2 months ago

if your battery is 3.7V (full charge 4.2V) connect direct to VBATT Pin of Module then it will work OK