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@ -12,9 +12,10 @@ For the hardware modification you need:
The goal is to add the 1K resistor between the STM32 USART1.TX pin (Boot0 programming TX pin) and the radio bay pin 2. The goal is to add the 1K resistor between the STM32 USART1.TX pin (Boot0 programming TX pin) and the radio bay pin 2.
Here is the modification on a Banggood 4-in-1 or an iRangeX IRX4 / IRX4+: ## Here is the modification on a Banggood 4-in-1 or an iRangeX IRX4 / IRX4+:
![Image](/docs/images/CPPM_BG_IRX4_Mark.jpg) ![Image](/docs/images/CPPM_BG_IRX4_Mark.jpg)
Here is the modification on a Jumper 4-in-1: ## Here is the modification on a Jumper 4-in-1:
![Image](/docs/images/CPPM_JP4IN1_Mark.jpg)
![Image](/docs/images/CPPM_JP4IN1_Mark.jpg)