NoticeDifference between revisions of "Mini Rboard"
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Revision as of 03:13, 8 July 2014
• Contents
Overview
Mini RBoard is an Arduino compatible mainboard, which is equipped with a relay, a nRF24L01 interface and a 433M RF Receiver interface. It can be used in remote control switches. With a small size, it can be installed in some power strips to work as a switch for an intelligent power strip.
Specification
| PCB size | 37.34mm X 49mm X 1.6mm |
| Power supply | 5V DC |
| Microprocessor | Atmega328P |
| Indicators | PWR |
| Interface | FOCA,nRF24l01+,J05E 433Mhz module socket |
Electrical Characteristics
| Parameter | Min. | Typical | Max. | Unit |
| Power supply | 4.5 | 5 | 5.5 | VDC |
| Input voltage VinH | 3 | 3.3 | 3.6 | V |
| Input voltage VinL | -0.3 | 0 | 0.5 | V |
| Current Consumption | 40 | 100 | Ma |
Hardware
Pin Map
| Pin | Description |
|---|---|
| 5V | 5V Power supply pin |
| GND | Ground |
| DTR | FOCA DTR |
| TXD | D1 |
| RXD | D0 |
| nRF24L01_CE | D9 |
| nRF24L01_CS | D10 |
| nRF24L01_CS | D11 |
| nRF24L01_MI | D12 |
| nRF24L01_MI | D13 |
| nRF24L01_IRQ | D2 |
| 433Mhz_DATA | D3 |
| A0 | A0(pulled up with 10K) |
| Relay_control* | D4 |
