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Product description: BBMagic Relay Power - Wireless controller with relay
The wireless BBMagic Relay Power module is an extended version of the BBMagic Relay module, in addition to the standard control outputs it is equipped with a circuit with a230 V / 10 A relayconnected to the control output RELAY_0. It communicates inBluetooth Low Energy (BLE)standard.The module is compatible with Raspberry. Supply voltage from 1.8 to 3.6 V.
The module is equipped with a 230 V / 10 A relay.
Functions of the BBMagic RELAY Power module - Wireless controller with relay
- Control of up to 4 relays
- The function of automatic activation of the output RELAY_0 for 15 minutes after starting the module, configured with pin 17.
- Possibility of monitoring the power supply voltage status.
- Light detector - pads for soldering a 10 kΩ photoresistor - range from 0 to 255.
- Two ADC channels with voltage range from 0 V to 1.8 V and resolution of 1 mV.
- Temperature measurement of the control chip.
- Built-in LED indicating Bluetooth communication - configurable with pin 2.
- The communication is encrypted and signed digitally.
- Simple control with Raspberry Pi using the bbmagic_lib library.
The module is equipped with a relay with load capacity up to 10 A controlled by 12 V.
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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 manual withbbmm_scanner appplication. |
Operation of BBMagic Relay Power module - Wireless controller with relay
When the BBMagic Relay Power starts up, it sends "ALIVE" information every 60 seconds.If the module receives a request to switch the relay(s) on or off, it sends the message "ALIVE" immediately after the task is completed. The content of the buffer is defined in the file bbmagic_lib.h of the library version 2.0. For example, you can find examples of programs on themanufacturer'swebsite.
| bbmm_buf[BBMAGIC_DEVICE_TYPE]. | Specify the type of module that sent the data. In this case "BBMAGIC_M_RELAY". |
| bbmm_buf[BBM_RELAY_V_SUP]. | Module supply voltage. To obtain the voltage in volts, divide the obtained value by 71. |
| bbm_buf[BBMAGIC_RELAY_ADV_TIME]. | The time after which the "ALIVE" message queue is sent. To hold the time in seconds, multiply it by 2. |
| bbm_buf[BBMAGIC_RELAYS_STATE] | The four youngest bits define the state of the relays. Bit set=relay on, bit zeroed=relay off. Bit0 - Relay0...Bit3 - Relay3. |
| bbmm_buf[BBM_RELAY_CHIP_TEMP] | Chip temperature in degrees Celsius (coding U2). |
| bbmm_buf[BBM_RELAY_LIGHT]. | Lighting level. Given in the range from 0 to 255. |
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bbmm_buf[BBM_RELAY_ADC_1_MSB]. i bbm_buf[BBM_RELAY_ADC_1_LSB] |
Voltage level at input ADC_1 given in mV, older and younger byte. |
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bbm_buf[BBM_RELAY_ADC_2_MSB]. i bbm_buf[BBM_RELAY_ADC_2_LSB] |
The voltage level. The address of the module, and the input ADC_2 in mV, an older and a younger byte. |
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bbm_buf[BBMAGIC_RELAY_WORKTIME_0]. |
Module operation time since the last power on in seconds - youngest byte - 0. |
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bbmm_buf[BBMAGIC_RELAY_WORKTIME_1]. |
Module operation time since the last power on in seconds - next byte - 1. |
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bbmm_buf[BBMAGIC_RELAY_WORKTIME_2]. |
Module operation time since the last power on in seconds - next byte - 2. |
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bbmm_buf[BBMAGIC_RELAY_WORKTIME_3]. |
Module operation time since last power on in seconds - next byte - 3. |
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bbmm_buf[BBM_RELAY_FIRM_0]. |
The firmware version number of the module - a younger byte. |
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bbmm_buf[BBM_RELAY_FIRM_1]] |
Module firmware version number - older byte. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_0]] |
Module address, youngest byte 0 -LSB. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_1]. |
Module address, byte 1. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_2]. |
Module address, byte 2. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_3]. |
Module address, byte 3. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_4]. |
Module address, byte 4. |
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bbm_buf[BBMAGIC_DEVICE_ADDR_5]. |
Module address, next byte 5 - MSB. |
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bbm_buf[BBMAGIC_DEVICE_RSSI]. |
Received radio signal power in dBm. |
BBMagic Relay Power module outputs - Wireless controller with relay
| Pin | Description |
|---|---|
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1,8,20,22,23,24 |
The weight of the system. |
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2 |
Configuration of radio transmission signaling:
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3,4,5,6 |
Outputs controlling relays, a transistor is needed for proper operation. |
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7,21 |
Power inputs, supply voltage from 1.8 V to 3.6 V. |
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7,8,9 |
The pads are used to solder the stabilizer, in order to supply the module with higher voltage. |
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10 |
Power input for stabilizer with reverse polarity protection. |
| 11,12 | Soldering pads for 10 kΩ photoresistor. |
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13,14 |
ADC inputs. Voltage from 0 to 1.8 V. Resolution of 1 mV. |
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15,16 |
Pads for connecting an LED with a serial resistor:
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17 |
START CONF configuration input
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18,19 |
UART interface lines:
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BBMagic Relay module specification - Wireless Relay Controller
- Power supply for the module:
- Directly: 1.8 V to 3.6 V
- Stabiliser: output from 2.5 V to 3.6 V
- 4 relay control channels
- Relay parameters:
- Coil voltage: 12 V
Switching voltage: 230 V AC / 30 V DC - Maximum current: 10 A
- Light detector: pads for solderable photoresistor 10 kΩ
- Two ADC channels: 0 V to 1.8 V
- Chip temperature measurement
- Monitoring the state of the supply voltage
- UART line responsible for transmitting and receiving the signal: from 0 V to 5 V
- Encrypted and digitally signed communication
- Communication is indicated by an LED
Useful links |
