- EOL
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Attention! The product has been discontinued. Check other products in category. |
Product description: Wireless module with button
The wireless BBMagic Button is equipped with a button with the possibility ofconnecting an external switch, with its help you can send6 different messagesto Raspberryusingonly 2 buttons -3 messages foreach. It is powered from 1.8 V to 3.6 V.The module is compatible withthe Raspberryand communicates viaBluetooth Low Energy (BLE).
BBMagic Button - Wireless module with button
| Pin | Description |
|---|---|
|
1,8,20,22,23,24 |
The weight of the system. |
|
2 |
Configure push button signalling:
|
|
3,4,5,6 |
Digital inputs are active with a grounded input, sampled each time a button is pressed. |
|
7,21 |
Power input, supply voltage from 1.8 V to 3.6 V. |
|
21,22 |
Soldering pads for the holder for CR2032 pastille battery: 21(+) i 22(-). |
|
7,8,9 |
The pads are used to solder the stabilizer, in order to supply the module with higher voltage. |
|
10 |
Power input for stabilizer with reverse polarity protection. |
|
11,12 |
Pads for soldering a10 kΩphotoresistor.Lighting level is measured just after pressing the button. |
|
13,14,17,18,19 |
Unused pins |
|
15,16 |
Pads for connecting an alternative LED with a serial resistor. 15 (anode) with a serial resistor, 16 (cathode). Pulses appear when pin 2 is not connected to ground. |
|
24,25 |
Pads to connect the second button. |
Communication of the BBMagic Button module - Wireless module with button
The module communicates viaBluetooth Low Energy,the communication is encrypted and signed digitally with the AES-128 symmetrical block code. The device can communicate directly with Raspberry PiviaBluetooth Smart.
BBMagic Button module - Wireless button module.
|
The manufacturer has prepared the source code of the application allowing to process data from BBMagic modules. They are available on the manufacturer's website in theDownloadtab, additionally prepared a short guide to working withbbm_scanner appliqué. |
Operation of the BBMagic Button - Wireless module with a button
Each press of any of the buttons sends "ALIVE" information to Raspberry. The content of the bufferis defined in the file bbmagic_lib.h. A sample program can be found onthe manufacturer's website.
| bbmm_buf[BBMAGIC_DEVICE_TYPE] | Specify the type of module that sent the data. |
| bbm_buf[BBM_BUTTON_BUTTON_FUNCTION] |
User-called function. 1 - single click on the PCB button, 2 - double click on the PCB button, 3 - holding down the PCB button, 11 - single button click on pins 24.25, 12 - double click on pins 24.25, 13 - holding the button on the pins 24.25 |
| bbm_buf[BBM_METEO_V_SUP] | The current supply voltage of the module must be divided by 71 to obtain the voltage in volts. |
| bbm_buf[BBM_BUTTON_INPUT_PINS]. | Status of digital inputs of the module. |
| bbm_buf[BBM_BUTTON_CHIP_TEMP] | Temperature given in degrees Celsius (coding U2). |
| bbmm_buf[BBM_BUTTON_LIGHT]. | Lighting level, Range 0 to 255. |
| bbmm_buf[BBM_BUTTON_FIRM_0]] | Firmware version number. Junior byte. |
| bbmm_buf[BBM_BUTTON_FIRM_1] | Firmware version number. Older byte. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_0] |
Module address - youngest byte 0. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_1]. | Module address - next byte 1. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_2]. | Module address - next byte 2. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_3]. | Module address - next byte 3. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_4]. | Module address - next byte 4. |
| bbm_buf[BBMAGIC_DEVICE_ADDR_5]. | Module address - next byte 5. |
| bbm_buf[BBMAGIC_DEVICE_RSSI]. | Power of received radio signal in dBm. |
Specification BBMagic Button - Wireless push button module
- Power supply for the module:
- Directly: 1.8 V to 3.6 V
- Stabiliser: output 2.5 to 3.6 V
- Battery CR2032 - after soldering the handle
- Soldering pads for additional button
- Monitoring the state of the supply voltage
- Chip temperature measurement
- Radio communication indicated by an LED
- Encrypted and digitally signed communication AES-128
- Dimensions: 46 x 22 mm
Useful links |
