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FCALLBOX3 Display Box 

    New version 2022 RF 2.4GHz based on NRF24L01    

Description

The FCallbox display is a display of eight alphanumeric digits which can be control through the serial port, below some examples :

Power up

horloge

date

External Temperature

Our bedrom temperature

Dining room temperature

Bathroom temperature

Toilet temperature

External temperature

Ephemeris ..

Characteristics :

- 8 digits Red Led at matrix 5 x 7 points, height 18mm, brand Kingbright ref : TA07-11EHWA or equivalent

- Power supply : 5V xxx mA

- CPU Arduino Pro Mini 5V 16MHZ

- Interface : RF 2.4GHz link based on NRF24L01 chipset

- Integrated functions :

  - Display of hour ( horloge with display of Hours : Minutes : Seconds).

  - Display of texts, 96 Predefined characters ( from Ascii table starting at ESPACE character).

  - Display of Graphics 40x7 points.

Leds Matrix board

The led matrix is described here




CPU

The CPU board used is an Ardhuino Pro mini 5V 16MHz :




Cabling CPU and led boards :


Assembly picture :

RF board

Cabling CPU and RF NRF24L01 + 3.3V adapter :






IR sensor

Cabling IR sensor connected to the Arduino :




câble FTDI

To program the Arduino, use a FTDI TTL-232-3V3, then use a 5V adapter for final use.

Câblage carte CPU FTDI :




Download here Arduino project to program the CPU      

CopyrightFrançois Callanquin, October 2022

Contact : fcallbox@free.fr