User:E.zn/special issue X

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Txx.uo

Txx.uo Final.jpeg

Txx.uo consolidates two contrasting radio frequency implementation modes: RFID reader scans the cards/objects containing RFID tags using radio waves and LCD screen displays a Q-code* [internationally established three-letter abbreviation used in radio communication].

*A particular Q-code denotes a question when it is followed by a question mark and references an answer [statement] when it's not:
QRU? : Have you anything for me?
QRU : I have nothing for you.

The RFID technology is used for object identification, authentication and security reasons, whereas Q-code is transmitted on a specific radio frequency by a radio operator and can be intercepted by anyone, who is tuned in to the same frequency.

This module converts the data received from a scanned card into a sound and binary code. This Binary signal is then transfigured into LED blinking and is also funneled to another module through an output channel. Top row of an LCD screen displays a specific question from the list of a Q-code, depending on a knob position and when receiving a signal from another module, a random Q-code answer is shown on the second row of the screen.


Txx sc.png

Components and configuration


⯐ : Solder
πŸ’— : Plug into

⯐ 15x1 female header [x2] πŸ’’πŸ’’ PCB [Nano]
⯐ 15x1 male header [x2] πŸ’’πŸ’’ Nano
⯐ 4x1 female header πŸ’’πŸ’’ PCB [LCD1602-I2C]
⯐ 1602 I2C LCD display πŸ’’πŸ’’ 4LCD1602-I2C
⯐ 8x1 Female Header πŸ’’πŸ’’ PCB [RFID]
⯐ 8x1 male header πŸ’’πŸ’’ RFID
⯐ 10k ohm potentiometer πŸ’’πŸ’’ A1 P in
⯐ LED πŸ’’πŸ’’ LED2 D7
⯐ 10k ohm resistor πŸ’’πŸ’’ R1
⯐ 220 ohm resistor πŸ’’πŸ’’ R3
⯐ 220 ohm resistor πŸ’’πŸ’’ R3
⯐ 3.5mm mono jack socket πŸ’’πŸ’’ D5 o1 out
⯐ 3.5mm mono jack socket πŸ’’πŸ’’ D3 o2 out
⯐ 3.5mm mono jack socket πŸ’’πŸ’’ T5 o3 out
⯐ 3.5mm mono jack socket πŸ’’πŸ’’ A2 o4 out
⯐ 3.5mm mono jack socket πŸ’’πŸ’’ D8 o5 in
⯐ 2 pins of 4-pin tactile push button switch πŸ’’πŸ’’ Reset
⯐ 5x2 male header πŸ’’πŸ’’ JP [bridge the second row by soldering them together]
⯐ Vactrol : place the heads of LED and LDR in a heat shrink tube, so that they touch each other and are covered by a tube. Heat up the tube and then:
_ ⯐ LED πŸ’’πŸ’’ LED 1 [long leg of LED πŸ’’πŸ’’ square hole]
_ ⯐ LDR πŸ’’πŸ’’ LDR

πŸ’— RFID 8x1 male header πŸ’’πŸ’’ 8x1 11mm female header [bend the pins] πŸ’’πŸ’’ 8x1 11mm female header πŸ’’πŸ’’ 8x1 11mm female header [bend the pins] πŸ’’πŸ’’ 8x1 female header.
πŸ’— LCD πŸ’’πŸ’’ 4x1 female header
πŸ’— NANO πŸ’’πŸ’’ 2 15x1 female headers



Perfboard prototype


Txx.uo Prototype 1.jpg




Collaboration, Conflict & Consent

A two-day workshop with Eleanor Greenhalgh

Nor.gif

_ Applying various methods of decision-making and evaluating the outcomes.
_ Practicing listening in teams of three [each having a specific role].
_ Playing group games, like counting to 20.
_ Creating a consensual artwork.



Module

Building a module with a guest tutor Dennis de Bel