Banggood Dear chisty, Thanks for choosing Banggood. We are sorry that the product doesn't meet your satisfaction. We haven’t received similar reviews. We already indicated the parameters of this product in its product page. Have you seen it when you ordered? If it was different from the description,could you please send related information to cservice@banggood.com . Our customer service are happy to help you to solve the problem you met and we will issue a proper solution to you. Hoping your kindly understanding,we wish you have a nice day.

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cliffsjunk So does this model handle all of the currently supported protocols or not? If it is Atmel based it does not (not enough memory). If it is the new STM32 based version then maybe it does.

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Jason I believe the bangood 4 in 1 uses ATmega 328P micro controller not the STM32. Because of this you have to strip out some protocols to make the firmware fit onto the Atmega 328P 32KB of flash memory. All the docs are here https://github.com/pascallanger/DIY-Multiprotocol-TX-Module/blob/master/docs/Compiling.md

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