I got the CF STEM Ranging bundle over the holidays and have been trying to get it working. I successfully completed the getting-started-with-the-crazyflie-2-0 tutorial but I got stuck on the getting-started-with-stem-ranging-bundle tutorial; when I run the script the CF connects (i.e. the GREEN LED for both the CF and CrazyRadio are ON.) but it just sits there motionless.
I began investigating and came across a number of strange issues. I've been able to solve most of the issues via existing posts on these forums so I thank you all for that. There are still a few problems that I've not been able to solve though. One in particular is with the Multi-Ranger (MR) deck. When I power on the CF with (or without) the MR deck connected, the self-test passes as expected. However, after the self-test, with the MR deck connected, both BLUE LED's are ON but the RED LED flashes 5 or 6 times for about 1 second and then OFF for 1 second. Rinse and repeat. I can still connect to the Crazyflie Client. Here is the output from the main menu, Help -> About -> Debug:
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Cfclient Cfclient version: 2018.12 System: linux Python: 3.6.8 Qt: 5.11.2 PyQt: 5.11.3 Interface status radio: Crazyradio version 0.53 serial: None udp: None UsbCdc: No information available Input readers linuxjsdev (0 devices connected) Input devices None Crazyflie Connected: radio://0/80/2M Firmware: a203d748e139 (MODIFIED) Sensors found BMP388: 0 HMC5883L: 1 MS5611: 1 Sensors tests MPU6500: 1 HMC5883L: 1 MS5611: 1
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SYS: ---------------------------- SYS: Crazyflie 2.0 is up and running! SYS: Build 0:a203d748e139 (2018.12) MODIFIED SYS: I am 0x2035355237485008002C0041 and I have 1024KB of flash! CFGBLK: v1, verification [OK] DECK_DRIVERS: Found 16 drivers DECK_INFO: Found 2 deck memories. DECK_CORE: 2 deck enumerated ZR2: Z-down sensor [OK] PMW: Motion chip id: 0x49:0xB6 MPU9250 I2C connection [OK]. AK8963 I2C connection [OK]. LPS25H I2C connection [OK]. ESTIMATOR: Using estimator 2 CONTROLLER: Using controller 1 EEPROM: I2C connection [OK]. AK8963: Self test [OK]. DECK_CORE: Deck 0 test [OK]. MR: Init front sensor [OK] MR: Init back sensor [OK] MR: Init up sensor [OK] MR: Init left sensor [FAIL] MR: Init right sensor [OK] DECK_CORE: Deck 1 test [FAIL].