Forum Posts
Ultra Low leakage voltage clamp
Hi everyone, I have design input protection for a CAT4 voltmeter. The Voltmeter need to measure AC+DC simultaneously. The input impedance is 10M ohm. At the moment i have an mov and a PTC as input protection that clamps at 2kv.I need some sort high s...
EMIF02-USB03F2 replacement
Hello, This component, EMIF02-USB03F2, is listed as EOL. Do you have a direct/indirect replacement?Thanks,
ST eFuse SPI communication
Hello,As part of our new automotive project, we have selected the ST eFuse model VNF1048F. Could you please confirm if this part supports SPI operation with daisy chaining? If so, could you provide relevant documentation or materials to support this ...
Resolved! LM335 (LM235) damage issue
A high-frequency DC testing power supply product that uses LM235 to measure the temperature of the heat sink (aluminum), and the measurement circuit is shown in the above figure:The temperature range of the radiator is also within the temperature ran...
Regarding Pin details of MQ-7 Sensor
Hi friends, I have need to know about pin details of one sensor. I am using MQ-7 sensor interface with Stm32 for my project purpose and I design one custom made PCB design. So ,I buy MQ-7 sensor separately that sensor doesn't indicate any start poin...
Can`t transmit data from STM32 to STM32 via NRF24L01
I have recently started learning STM32. Now I`m trying to send data from one Nukleo board to another via NRF24L01. I have already tried to use couple of libraries i found on the internet. But it didn`t work properly. I have read the documentation for...
Resolved! Identifying part (ST G MT Z316)
Please could I have help identifying the component in the attached image to find a suitable replacement as it is shorted. Many thanks, Jazz.
Resolved! Unknown IC - Case code identification
Hi,I have an IC from ST where the case code is 464R. Please find the attached screenshot. Can you please help me figure out the IC's part number? I cannot find the correct information on internet. Thank you.Best regards,Adarsh
STPM34 DC offsets failed to be measured after all HPFs were disabled.
Hi, We try to use STPM34 to measure DC power besides measuring AC power. We had to disable the HPFs of V1,V2/C1,C2 on the EVALSTPM34 board by sending {0x00, 0x01, 0x18, 0x04, 0x88} and {0x02, 0x03, 0x18, 0x24, 0x92} to STPM34 through SPI. When we ...
