RFPiD | Python script thats reads RFID card tags from USB ID
kandi X-RAY | RFPiD Summary
kandi X-RAY | RFPiD Summary
This is code to read data from a ID-20 RFID reader connected to a sparkfun USB breakout board for the ID-12 + USB board Kit $49.99. Once the data is read, it checks a SQLite DB for a valid RFID tag number. If a valid card is found it'll turn the RGB LED green and trigger a TIP31A transistor to unlock a 12v door strike. You can get one from eBay for about $25 If invalid card is found, it will turn the RGB LED red. Items you will need: (1) TIP31A transistor (radio shack/local electronics store $1.50) (1) RGB LED (3) 100 Ohm 1/4 watt resistors A breadboard, wires, and 12v power adapter. Account moved to:
Support
Quality
Security
License
Reuse
Top functions reviewed by kandi - BETA
Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of RFPiD
RFPiD Key Features
RFPiD Examples and Code Snippets
Community Discussions
Trending Discussions on RFPiD
QUESTION
hello everyone i m getting this error :
TypeError: Cannot read property 'rfpid' of undefined
so i need to get all the data existe in my database :
...ANSWER
Answered 2020-May-02 at 18:04The problem is that this.listaspsort is undefined. As you are iterating on this.state.listaspsort and the key you are using to map is called listaspsort I guess that is what you need to use:
QUESTION
I have 2 simple domain objects as follows..with Oracle database
...ANSWER
Answered 2020-Apr-29 at 15:59I'd save the Rfpobject first, get its id and with that I'd save the AspsortObject.
I remember struggling with this myself as I thought I can save both at the same time and hibernate can do everything for me which I still think is possible but I can't remember the solution from the top of my head.
QUESTION
Hello i m using spring boot i need to create my entity at mysql server but i reselve error :
** Caused by: java.sql.SQLSyntaxErrorException: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs**
what i should to do to create my data base please !
classe is :
...ANSWER
Answered 2020-Apr-22 at 15:13Every String will be produced a VARCHAR(255)
column.
And you have many of them. This causes the error.
You have two options:
1) Define the Column size
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install RFPiD
You can use RFPiD like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
Support
Reuse Trending Solutions
Find, review, and download reusable Libraries, Code Snippets, Cloud APIs from over 650 million Knowledge Items
Find more librariesStay Updated
Subscribe to our newsletter for trending solutions and developer bootcamps
Share this Page