Turns out the smartportrssi pad on the fc does not have a built in inverter even though the documentation seems to indicate that you can directly connect smartport to the rssi pad like you did. There is a section for wiring to 4 in 1 and it will also applies to yours.
I Can T Get Smartport To Work On My Dalrc F405 Any Ideas
Dalrc f405 wiring diagram. If you want more complex wiring you can check out joshua bardwell manuel for his fc. Stm32f405 icm20602 bmp280 bfosd sd card slot vcp5x uarts 6x pwm dshot outputs. Your fc has a great large pad so you can wire the power to your 4 in 1. The wiring instructions are not very clear on how to get this to work connecting. The battery is connected to the esc not the flight controller. Dalrc f405 flight controller comes equipped with the stm32f405 high quality mcu mpu6000 gyro built in osd and 9v3a bec.
Just follow the diagram below. This is a short video showing you how to get smartport telemetry working with dalrc f405 and frsky r xsr receiver. The wiring diagram is very clear but you will need to download it to get full file sizeresolution dalrc f405 aio 01jpg 782690 564 kb dalrc f405 aio 02jpg 741675 499 kb. Thanks oscar it may seem obvious but the diagrams dont indicate using 5v on the matek f405. However if you have a 4 in 1 esc the connection might get a bit confusing. To get it to work you will need to solder to the tiny uninverted smartport pad on your r xsr.
I take it that the 5v would be used if you are powering directly to the esc. I would wired it that way. I had the same issue with the dalrc f405 aio board. Matek website has great diagram on how to wire up everything. Only us3640 buy best dalrc f405 betaflight osd bec stm32f405rgt6 flight controller for rc drone fpv racing 305x305mm sale online store at wholesale price. After login and become a dealer to view the price.
Dalrc engine 4 in 1 40a esc. The matek f405 ctr flight controller already has an integrated pdb which means that the separate escs are connected directly to the fc board so that it can supply their power. Dalrc took the advice of pilots to make a board with a rational layout and prevent solder jumping to another pad and shorting components.
Gallery of Dalrc F405 Wiring Diagram
