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| Ref. | Scale | Objective | IoT communication | Implemented IoT devices | No of nodes | Sensors | Interface | Cloud integration | Data visualization | Node mobility | Portability |
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| [4] | Small | Support of IoT applications related to environmental monitoring | Zigbee | RPi, Arduino, XBee S2B | 6 | Temperature, humidity | Web
API | Not supported | Not supported | Not supported | Supported |
| [5] | Large | Support of multichannel WSNs | Dual-radio at 2.4 GHz & 900 MHz | RPi, opal mote, debug board | 100 | — | Web | Not supported | Not supported | Not supported | Not supported |
| [6] | Large | Real-life user-centric experimental IoT research facility | IEEE 802.15.4 | TelosB mote, sensor board, GuruPlug, Android phones, Android tablets | 200 | Temperature, light, noise level, motion | Web
API | Supported | Supported | Not supported | Not supported |
| [8] | Small | Support of a customizable and multipurpose experimentation | 2.4 GHz radio | Arduino, ATtiny85, ATmega328P, ESP8266, nRF24L01+ | — | — | Web | Not supported | Supported | Not supported | Supported |
| [9] | Small | Support of flexible data collection and processing | WiFi | RPi | 10 | Temperature, light, sound, motion | Web
API | Not supported | Supported | Not supported | Supported |
| [10] | Small | Support of effective evaluation of IoT protocols and algorithms | Ad hoc | RPi, Note PCs | 8 | — | API | Not supported | Not supported | Supported | Supported |
| [11] | Large | Support of the dependability of low-power WSNs in environments with high radio interference | — | RPi, TelosB mote, NavSpark-GL, TI LMP92064 | 45 | Light | Web | Not supported | Supported | Not supported | Supported |
| [12] | Large | Support of cost-effective large-scale IoT experimentation | IEEE 802.15.4 | RPi, OpenMote, display screen | 80 | Temperature, humidity | Web
API | Supported | Supported | Not supported | Not supported |
| [13] | Large | Support of real-life experimentation for social research on indoor activities | BLE | Arch Pro | 100 | Temperature, humidity, light, noise level, motion, dust density | Web
API | Supported | Supported | Not supported | Supported |
| [14] | Large | Support of cost-effective LoRa experimentation in a large-scale and realistic environment | LoRaWAN | RPi, LoRa module | 50 | — | Web | Supported | Not supported | Not supported | Not supported |
| [15] | Small | Support of effective combination of IoT technologies and web technologies | Zigbee | Arduino, XBee | — | Temperature, humidity, light, gas | API | Not supported | Not supported | Not supported | Supported |
| Proposed testbed | Small-large | General-purpose and multidimensional support of IoT experimentation | BLE
Zigbee
6LoWPAN
LoRaWAN | RPi, Arduino, GrovePi, XBee, 6LoWPAN module, LoRa module, UPS HAT battery | 12 (extendable) | A wide range of GrovePi sensors | Web
API | Supported | Supported | Supported | Supported |
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