Cut power on a remote Raspberry Pi 3 via another raspi Ask Question 2 1 I’m building a system with a raspberry pi located in a very remote area connected to internet […]
logic level converter circuits
How to modify the Beefcake module to make it compatible to 3.3V logic The Beefcake NPN transistor has a current limiting resistor R2 of value 1K. This resistor limits the base current […]
ads1256 programming notes
-1 Question How to read ADC results from ADS1256? Short Answer Getting to know SPI As pointed out by @Sim Son, you need to know basic SPI and have some practical hardware/software […]
SPI driver for communication
SPI driver for communication Ask Question -2 I want to load my kernel module which communicates with my device over spi interface. I have tried loading my modules but it’s showing spidev […]
lap top pwm
Run the program in the laptop and use the raspberry gpios Ask Question 3 I’m working with face tracking and I want to activate some servomotors depending the motion of my face. […]
Raspberry Pi Daily update ⋅ June 9, 2019 NEWS
Raspberry Pi Daily update ⋅ June 9, 2019 NEWS Reactive Programming Raspberry Pi Stack Exchange That’s exactly what interrupts do. In python there is a function RPi.GPIO.add_event_detect( GPIO_NUMBER, GPIO.RISING, callback=yourCallback) . Separate SPI data Raspberry Pi […]
ADS1256 ADC notes
Separate SPI data Ask Question 2 I am using the AD/DA Hat from WaveShare https://www.waveshare.com/wiki/High-Precision_AD/DA_Board I want to realize a continuous readout of the data. It worked very well so far, but I am […]
Use Rpi/MCP23017 GPIO pins to select more than 16 SPI Devices https://www.raspberrypi.org/forums/viewtopic.php?f=45&t=234869&p=1437642&hilit=i2c+spi+tlfong01#p1437642 Instead of RPi’s built in CE0, CE1 signals. I can use, says, 6 GPIO pins as CE0, CE1, to CE5 […]
ADS1256 ADC notes
Separate SPI data Ask Question 2 I am using the AD/DA Hat from WaveShare https://www.waveshare.com/wiki/High-Precision_AD/DA_Board I want to realize a continuous readout of the data. It worked very well so far, but I am […]
wrong time stamping after booting up
How do I fix incorrect timestamps in my bash script that launches on startup? Ask Question 1 I’ll try to explain this the best that I can. I am creating a simple […]
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