Ebyte E44-TTL-100 User Manual Download Page 1 | Manualshive

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SX1276 Wireless Module

E32(915T30S) Series

User Manual

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Summary of Contents for E44-TTL-100

Page 1: ...SX1276 Wireless Module E32 915T30S Series User Manual...

Page 2: ...ries are applied in open and clear air industrial and living areas with a few obstacles 915M is a North American frequency Mass production has been conducted to export to North American countries Modu...

Page 3: ...dication of Wireless Transmitting 6 2 6 3 Configuration Procedure of Module 6 2 6 4 Notes for AUX 7 3 Operating Mode 7 3 1 Mode Switch 7 3 2 Normal Mode Mode 0 8 3 3 Wake up Mode Mode 1 8 3 4 Power sa...

Page 4: ...s 00 01 80 AA BB CC 00 01 refers to the address of module B and 80 refers to the channel of module B Then module B receives AA BB CC only module B Broadcast transmission To set the module address as 0...

Page 5: ...t the address of module A as 0xFFFF or 0 x0000 and channel as 0x04 When module is the transmitter transparent transmission all modules under channel 0x04 will receive the data the purpose of broadcast...

Page 6: ...hether all wireless data has been sent through UART or whether the module is still in the process of self check initialization 2 6 1 Indication of UART Output To wake up external MCU 2 6 2 Indication...

Page 7: ...tion Remark Mode 0 Normal 0 0 UART and wireless channel are open Transparent transmission is on The receiver must work in mode 0 or mode 1 Mode 1 Wake up 1 0 UART and wireless channel are open The dif...

Page 8: ...iciency of whole system is largely improved 3 2 Normal Mode Mode 0 When M1 0 M0 0 module works in mode 0 Transmitting The module can receive the user data via serial port and transmit wireless data pa...

Page 9: ...r parameter setting It uses serial port 9600 8N1 to set module working parameters through specific instruction format please refer to parameters setting for details Notes When the mode changes from sl...

Page 10: ...M0 1 M1 1 User gives the module instruction HEX format C4 C4 C4 the module resets for one time During the reset process the module will conduct self check AUX outputs low level After reset completing...

Page 11: ...Fixed transmission mode 6 IO drive mode the default 1 This bit is used to the module internal pull up resistor It also increases the level s adaptability in case of open drain But in some cases it may...

Page 12: ...power must make sure the ability of current output more than 1A and ensure the power supply ripple within 100mV Low power transmission is not recommended due to its low power supply efficiency 0 0 30d...

Page 13: ...s Due to antenna quality or poor matching between antenna and module 6 2 Module is easy to damage Please check the power supply and ensure it is within the recommended range Voltage higher than the pe...

Page 14: ...must be installed and operated with a minimum distance of 20 cm between the radiator and user body If the FCC identification number is not visible when the module is installed inside another device th...

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