RPi 4 – 8 nodes – Appropriate switch for POE Ask Question Asked 10 days ago Viewed 28 times 1 1 I was thinking about an 8 port switch that can provide my 8 […]
How to setup a Rpi RFID RC522 Chip
https://raspberrypi.stackexchange.com/questions/105293/simplemfrc522-stop-reading-after-some-time How to setup a Raspberry Pi RFID RC522 Chip by Gus Oct 3, 2017 Updated Apr 12, 2019 Beginner, Electronics, Sensors https://pimylifeup.com/raspberry-pi-rfid-rc522/ In this Raspberry Pi RFID RC522 tutorial, I will be walking you through the steps on […]
MFR522 RFID discussion notes
#!/usr/bin/env python import os import time import RPi.GPIO as GPIO from mfrc522 import SimpleMFRC522 import array as arr GPIO.setwarnings(False) GPIO.setmode(GPIO.BCM) pinList = [5,24,0,2,3,4,27,25] rfidList = [1081714680121, 871849641659, 504025229752, […]
SIM900 chat notes
Q: SIM900 A6 GPRS GSM Module and Rpi4B UART Communication Problem I use a module same as here with my RPI 4B and there were difficulties in communication between them two since the […]
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