#!/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 […]
servo motor odd behaviour
Servo motor behaves odd Ask Question Asked today Active today Viewed 23 times 0 hello I Connected a servo motor to my Raspberry pi Zero W and used the example from raspberrypi.org: granpa scarer: Grandpa […]
SIM900 UART notes
SIM900 A6 GPRS GSM Module and Rpi4B UART Communication Problem Ask Question Asked today Active today Viewed 12 times 1 I use a module same as here with my RPI 4B and there were difficulties in communication […]
SIM900 UART Problem
https://raspberrypi.stackexchange.com/questions/105301/sim900-a6-gprs-gsm-module-and-rpi4b-uart-communication-problem SIM900 A6 GPRS GSM Module and Rpi4B UART Communication Problem Ask Question Asked today Active today Viewed 11 times 1 I use a module same as here with my RPI 4B and there were difficulties in […]
HC05 not able to bind Raspberry pi3 bluetooth mac address B8:27:FB:A4:88:12 by AT command Ask Question Asked today Viewed 7 times 0 I am trying to bind raspberry pi Bluetooth address on hc05 and […]
rpi Q&A notes
REPUTATION 2,299+117 top 0.72% this year 2.3k 1.3k 317 FEB MAY AUG NOV Top tag +28 gpio Next privilege 2,500 Rep. Create tag synonyms BADGES 3 5 19 Newest Electorate Next badge 70/80 Strunk […]
3DR FPV Air Radio Chat Notes
tlfong01 2299 9:40 2019nov06 Yes，it is OK to use Rpi miniCom to try to talk to the air module. I found more references (listed later) you might find helpful. I found most hardware and […]
FPV 3DR Radio Notes
***References*** (1) [AliExpress 3DR 500MW Radio Telemetry 433Mhz 915Mhz Air and Ground Data Transmission Module for APM Pixhawk Flight Control FPV – US$25][1] (2) [3DR Radio V2 Quick Start Guide – 3D […]
Telemetry Radio Air Module notes
How to display received data using FPV Telemetry Radio Air module Ask Question Asked today Viewed 22 times 0 I am trying to set up the FPV telemetry radios (Air and Ground Module 433MHz). […]
