Monthly Archives: March 2018
Vein Finder / Venen Sucher
Philips Wee Sight Venenfinder
VeinViewer
Assistance system for vein detection
github.com/Myrijam/Venenfinder, Assistive medical device to help localizing veins for intravenous access
Microsoft Surface
Neuinstallation
Wiederherstellen oder Zurücksetzen von Surface
Erstellen und Verwenden eines USB-Wiederherstellungslaufwerks
Herunterladen eines Wiederherstellungsabbilds für das Surface
Windows 10: Neuinstallation auf Surface Pro 3
Installieren von Updates für Surface und Windows
Surface 3 – How to Clean Install Windows 10
METE2
Woche 5
QRS Detection Using Pan-Tompkins algorithm
ECG Signal Overview – Overview of the ECG signal
Algorithms for ECG Signal Analysis
Woche 9
Zellproliferation
Intensität (Physik)
Kreisfläche
Kugeloberfläche
Lichtstärke (Photometrie) Iv
Bestrahlungsstärke E
Strahlungsintensität I
Strahlungsleistung, Energiemenge dQ, Strahlungsenergie Q
Strahlungsenergie E, Q
Woche 10
Leistungsdichte
Sichtfeld
Optische Linsen
Photodynamische Therapie
Koagulation
Vaporizer
Laserablation
Matrix-unterstützte Laser-Desorption/Ionisation
Woche 12
Durchflusszytometrie
Zytogenetik
Farbwahrnehmung
Streuung (Physik)
Brechung (Physik)
Beugung (Physik)
Woche 13
Fluoreszenzmarkierung
Ligandenbindungstest
Fluoreszenzpolarisation
Immunassay
Enzyme-linked Immunosorbent Assay
Radioimmunassay
Receiver Operating Characteristic (ROC-Kurve)
Receiver Operating Characteristic
Fluorescence Polarization (YouTube)
Detection Methods
Fluorescence Polarization Immunoassay of Mycotoxins: A Review
Eclipse Discover Headers
- Discovery providers
- Indexer
- locations of the header files
- GCC Built-in Compiler Settings
- GCC Build Output Parser
Examples
Search von “Providers”
esp-idf: Build and Flash with Eclipse IDE
esp-idf: Eclipse IDE on Windows
Eclipse Community Forums
Import and build a Makefile project
Eclipse documentation
Scanner Discovery
C/C++ Indexer
Setting up include paths and macros for C/C++ indexer
Scanner Discovery Preferences
Raspberry Pi 3, GPIO + SPI + I2C
10 Dinge die Sie vor dem Start eines Raspberry-Pi-Projekts wissen müssen
Overclocking options in config.txt
GPIO
GPIO beim Raspberry Pi per Programm ansteuern
Der GPIO beim Raspberry Pi
GPIO beim Raspberry Pi per Kommando ansteuern
SPI
Raspberry Pi: SPI-Schnittstelle
RPi SPI
How to enable SPI1 and SPI0 at the same time?
SPI – Serial Peripheral Interface
Enabling SPI1 on the Raspberry Pi B+/Zero/2/3
/boot/overlays/README
Raspberry Pi Workshop: Lab Materials (PDF)
SPI Command-line Utility for Raspberry Pi (spincl), February 1, 2013
I2C
Raspberry Pi 3, GPIO
Raspberry Pi GPIO – Interaktive GPIO Info
Pinout!
What are the ID EEPROM pins and what can they be used for?
Frameworks
Raspberry gPIo (learn.sparkfun.com)
Official C/C++ library ?
RPi GPIO Code Samples
- SYSFS
- Python
- bcm2816 Library
- WiringPi
- pigpio
SYSFS
Introduction to accessing the Raspberry Pi’s GPIO in C++ (sysfs)
github.com/halherta/RaspberryPi-GPIOClass-v1
Exploring Raspberry Pi: Chapter 6: Interfacing to the Raspberry Pi Input/Outputs
Python
GPIO – Event / Using interrupt-driven GPIO in Raspian
raspberry-gpio-python, A Python module to control the GPIO on a Raspberry Pi
gpiozero, A simple interface to GPIO devices with Raspberry Pi
RPi.GPIO update and detecting BOTH rising and falling edges
How to use interrupts with Python on the Raspberry Pi and RPi.GPIO – part 2
void *poll_thread(void *threadarg) { struct epoll_event events; char buf; struct timeval tv_timenow; unsigned long long timenow; struct gpios *g; int n; thread_running = 1; while (thread_running) { n = epoll_wait(epfd_thread, &events, 1, -1); [...] } int add_edge_detect(unsigned int gpio, unsigned int edge, int bouncetime) // return values: // 0 - Success // 1 - Edge detection already added // 2 - Other error { pthread_t threads; struct epoll_event ev; [...] // create epfd_thread if not already open if ((epfd_thread == -1) && ((epfd_thread = epoll_create(1)) == -1)) return 2; // add to epoll fd ev.events = EPOLLIN | EPOLLET | EPOLLPRI; ev.data.fd = g->value_fd; if (epoll_ctl(epfd_thread, EPOLL_CTL_ADD, g->value_fd, &ev) == -1) { remove_edge_detect(gpio); return 2; } g->thread_added = 1; [...] }
bcm2816 Library
GPIO register access
Constants for passing to and from library functions
bcm2835_set_debug(1) bcm2835_gpio_len()
Sensorian 1.0 – C API Reference Guide Library
Raspberry Pi – detect button press
[POSIX-PIGPIO] Real-time thread on GPIO interrupt?
C program a button to perform a task once when pressed (latch)
int main(int argc, char **argv) { pthread_attr_t attr; struct sched_param param; pthread_t thread; bcm2835_init(); bcm2835_gpio_fsel(PIN, BCM2835_GPIO_FSEL_INPT); bcm2835_gpio_aren(PIN); pthread_attr_init(&attr); pthread_attr_setschedpolicy(&attr, SCHED_FIFO); pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED); param.sched_priority = 99; pthread_attr_setschedparam(&attr, ¶m); while (1) { if (bcm2835_gpio_eds(PIN)) { bcm2835_gpio_set_eds(PIN); pthread_create(&thread, &attr, callback_acq, NULL); } } bcm2835_close(); return 0; }
WiringPi
The GPIO utility
Understand “gpio readall” Bash shell command output on Raspberry Pi
how to read output of gpio readall
pigpio
Interrupt / Event Detection / poll() / epoll()
GPIO state monitoring via command line?
Raspberry Pi And The IoT In C – Input And Interrupts (Page 1 of 4)
Raspberry Pi And The IoT In C – Input And Interrupts (Page 2 of 4)
What’s the difference between epoll, poll, threadpool?
Off-Topic
Raspberry Pi 3, Steuerung mit Java
Stromregler / Programmable Current-Limit Switches
- buck
- boost
- flyback
- forward
- inverting
- “Cuk”
- current mode switcher
- Load Regulation
- current sensing
- Leistungsschalter
- Programmable Current Limit
- Schaltspannungsregler
- LTC3127: 1A Buck-Boost DC/DC Converter with Programmable Input Current Limit
- LT1070/LT1071: 5A and 2.5A High Efficiency Switching Regulators
- LT3085: Adjustable 500mA Single Resistor Low Dropout (LDO) Regulator, ex. Two Terminal 500mA Current Source
- LM134/LM234/LM334: 3-Terminal Adjustable Current Source, Programmable From 1µA to 10mA
- MAX4995: 50mA to 600mA Programmable Current-Limit Switches
- MAX20313: 500mA to 6A Adjustable Current-Limit Switches
- NX5P2553GV: Precision adjustable current-limited power switch (abgekündigt)
- TPS2551-Q1: ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCH
- MIC2545A: Programmable Current-Limit High-Side Switch
KiCad StepUp for FreeCAD
kicadStepUp-WB, kicadStepUp: ECAD to MCAD FreeCAD WorkBench
kicad StepUp: the Sketcher for Getting to Blinky, Import in FreeCAD, modify with Sketcher, Export to KiCAD PCBnew file