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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
AVR vs SAM power consumption
Hello,   i am preparing project where system has to do periodic analog measurement and send it to external circuit via serial and the whole thing is battery powered, so...
Friday, 19 July 2019 - 07:01
Fastest pin check loop
Hello,   i have to measure how long the pin remains on low. The value I read is not in time units, i only need arbitrary values to look for differences in values between...
Tuesday, 2 April 2019 - 13:51
Joining(or not) of signal and chassis(safety) ground
Hello,   i have an enclosed device which incorporates some 5V custom PCB circuits that control some relays and LEDs and also an IntelNUC mini pc that runs off a...
Tuesday, 19 March 2019 - 09:15
Most universally supported cortex debug/programming probe
Hello,   currently 90% of my work is done on Atmel/Microchip SAM MCUs so i am working whit Atmel-ICE probe tool. I also do some light works whit ST MCUs, but then i just buy...
Friday, 8 March 2019 - 09:17
Where to buy SMD 5050 leds
Hello,   i have started small production line and now i have to stop using LED strips (ineffective, expensive, low quality,...) and am palnning ot make my custom pcb for...
Monday, 28 January 2019 - 10:01
BQ2057 battery charger
Hello,   i developed PCB whit BQ2057 li ion charger. For the schematics, i selected application circuit from page 10 in datasheet, for 0.5A charge current. Now...
Wednesday, 22 August 2018 - 12:39

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