Mar 13, 2015 #1 T tinkujangid Junior Member level 1 Joined Nov 3, 2014 Messages 16 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 88 can i operate sim908 module by giving 5v to VCHG pin without using any battery on VBAT pin ?
Mar 15, 2015 #2 T theenggprojects Banned Joined Jan 29, 2015 Messages 6 Helped 1 Reputation 2 Reaction score 1 Trophy points 3 Activity points 0 No you can't , you have to give voltage at VBAT pin in most of the modules, but i recommend you to buy some custom board for sim module , they are easy to use
No you can't , you have to give voltage at VBAT pin in most of the modules, but i recommend you to buy some custom board for sim module , they are easy to use
Mar 16, 2015 #3 T tinkujangid Junior Member level 1 Joined Nov 3, 2014 Messages 16 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 88 ok thanks for help