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Discussion Title Created date
ADUM1250 bi-dir isolator
Hi,   i have an eeprom on my PCB that i wished to additionally protect, so i put it in isolated circuit. So i added a isoalted DC/DC 3.3V to 3.3V converter (1W), and a...
Monday, 11 May 2020 - 08:25
Where to find RGBWW bulbs
Hio,    im making some light decoration for my home and outsides and i am trying to be "fancy" and "over complicate" things, like a true engineer. So i am looking for a...
Wednesday, 6 May 2020 - 08:32
Manual pick/palce machine for under 1000€
Hello,   i am looking for a manual pick/place machine for under or around 1000€, preferably sold in EU. Only one i found that looks nice at this price range is ...
Friday, 24 April 2020 - 10:43
Circuit breaker switch extender
Hi, i am looking for small metal rod that extends switch on the circuit breaker and i dont know how is it called in English.  I marked exactly what i mean on the attached...
Monday, 6 April 2020 - 10:13
Measuring 230V AC current (contact-less) with 5V AVR
Hello,   i need to measure current(power) on a 230V AC power line, without soldering anything onto the line itself. The power draw is from 10 to 100W so lets say max 0,...
Thursday, 12 March 2020 - 11:33
1 mm accuracy IC sensor
Hello,   anyone knows of any distance IC sensor (max size similar to a TQFP48 package), touchless (laser, tof ,reflective,... ), with accuracy of +/- 1 mm. Distance i...
Wednesday, 19 February 2020 - 08:33
ToF sensor
Hello,   out of curiosity i am trying to understand how can ToF sensors measure variations in time in light speed reflection. I know how it works in theory, but how can they...
Friday, 13 December 2019 - 09:09
Atmega3209 Power down mode
Hello,    i made a battery powered project that measures pulses on digital input and sends pulse count via uart every 60 min. The MCU should be in power down mode...
Monday, 14 October 2019 - 08:03
megaAVR 0 series uart baud rates
Hello,   i am using Atmega3209(at 20MHz) and using its uart to send data to PC via ftdi serial to usb cable. At the moment i am using 9600 baud, and i also tried 115200...
Wednesday, 18 September 2019 - 10:02
Max data rate from PSI to uart to USB COM port
Hello,   i am using one ATMEGA3209(master) to read 32x other ATMEGAS(slaves), each with its own SS pin, with all Atmegas runnign at 20 MHz. I read the slaves via SPI and then...
Monday, 9 September 2019 - 13:44
SPI data garbled at high speed
Hello,   i made a 4 layer custom PCB with 1 master MCU and 32 slave MCUs on. All the MCUs are Atmega3209. Basicaly the main MCU has 32 SS lines and activates each...
Wednesday, 31 July 2019 - 09:37
SIGFOX module
Hello,   i am working on a project that has to contain SIGFOX module. I am looking at one containing ATA8520-E, but on the product site:  https://www.microchip.com/...
Wednesday, 24 July 2019 - 11:54

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