NAVI

This is a multifunction card for use in my sailboat. 6 UART for rs485 for NMEA0183, Checked worked. One compass (Magnet, Gyro, Gravity), Checked worked, (Made it work on one card, Made a stupid error in construction, changed low side and high side in planning) 8 current measurers, Checked worked. 8 relayports, checked , worked. GPIO extentions (6 GPIO) not all checked, byt i think they are ok. port for Ultrasond distnave, and for externat temp sensore, (not checked, but should work) Port for NEO8 (Serial)( (GPS) Not checked but should work. GPIO extender, I made another stupid mistake, Used some port for power supplys to some components, should have worked according to datasheet, but extender dropped dead afte 10 seconds. Checking on forum showed that consumption in real life was much higer that told in datasheet. (Planning error) I ordered 10 cards, and in testing i destroyed 6 of them before i found all errors. :) Internal LEDS, Red, Green, Blue) again planning error. Green light was ok, Blue To much light, Red a litle to much light. (planning error) BME 680 (gas, temperature, pressure and humidity sensor) checked, worked. I2C bus speed 400kHz, ISP bus speed 4MHz, Used ESP32 as clock for external UARTS (PWM) Worked, but need more adjustment in sw to get 1,84...MHz That said. I expected errors because this was my first project where i made evereything without modules. I'm very satisfied, and a bit proud of myselves :) All in all I had two errors, Levelshifter for i2C bus (stupid mistake) Power form MCP23017, Not a good idea. In next version i will use BSS84 mosfet on all pwr ports from extender. All this errors was on me an on me only. Production was excellent. If I should complain on one thing its the time, I ordered in july and got the cards about 2 weeks ago. (Some og this was on me, but i guess production time could have been shorter)