Resolved! component identification code 428WP
Hi, Can anyone help me identify the component(s)? What kind of components these and what is the type of package (SSOP8 or TSSOP8)? Please see the the pictures. Thank you.
Forum Posts
ism330dlc data ready pin cluster issue
Hello, I am using ISM330DLC sensor for my application on Esp32. Data ready pin from esp32 and sensor is being used to check if values are avalaible on the sensor or not. As per the Application note AN5125, Data ready pin should high for a while and ...
Resolved! EEPROM reliability.
Can anyone confirm that a new M24M02 eeprom 256kB is 100% filled with 0xFF when first used?im wondering if we have a major bug where there are already settled parameters in our system because of addresses with something else than default 0xFF. thank ...
Resolved! WDI not triggering NRST properly for SMT818
Hello,I purchased several of the SMT818 chips and was testing its watchdog timer capabilities for my TI MCU. I started with an input pulse that the MCU sent every 500 ms from a 3.3V GPIO pin into the WDI input. Looking at both this input pulse and th...
Problem with noise with addressable LEDs
Hi! I'm using Inolux_IN-PI554FCH LEDs with a custom PCB, controlled by an STM32H563VGT6.When using the LEDs and setting a colour like 255,0,0 (RGB) the noise generated on the data track is negligible. However, when I set a colour that is not 255, the...
Outcome of connecting pin 1 (DNU) on M24M01-RMN6P to 3V3
I'm working on a new board supplied with an updated EEPROM (M24M01-RMN6P), when the EEPROM was added to the schematic an old symbol was used where pin1 was E0 not DNU, as such it has been connected to 3V3 (VCC) instead of VSS.The board has now been m...
STEVAL-DPSTPFC1 Load Regulation
Is someone working on STEVAL-DPSTPFC1?I am planning to cascade a 400VA inverter at the output to run a load. Will the PFC be working? Since the Evaluation Board is 3.6kW and we are planning to run a load less than 300W.
Request strain gauge data logger PCB suggestions
I am looking Strain gauge data logger PCB board with a minimum of 256 Hz above the sampling rate per second, kindly suggest which development is suitable. and how to connect strain gauges and get output
Readout Protection
I'm using the BlueNRG-LP and want to enable "Readout Protection". From the reference manual RM0479 it can be enabled by writing the UserKey 0xAAAAAAAA to DATA0/1. In the RF-Flasher 4.3.5 Openocd readout_protection.cfg file writes the UserKey 0xFCBCEC...
Resolved! Identify 8pin IC
I have an 8pin IC marked 351 but I do not seem to understand what ST component it is. See the image. I will appreciate any help for identification.
