2 layers69.1 × 56.6 mm
2 layers21.6 × 48.3 mm
RF Arduino Pro Mini
etimou/Arduino-RF-Pro-Mini4Arduino Pro Mini + nRF24L01P = Arduino-RF-Pro-Mini
- Size
- 21.6 × 48.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 43
- Nets
- 45
- Pads
- 159
- Tracks, vias
- 442, 58
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 24 Apr 2020
- Updated
- 8 Nov 2021
Overview
RF Arduino Pro Mini is an open-source printed circuit board by etimou, from the etimou/Arduino-RF-Pro-Mini repository on GitHub. It is a 2-layer board of 21.6 × 48.3 mm with 43 parts on 45 nets, routed with 442 tracks and 58 vias.
It is built around the ATMEGA328P-AU, NRF24L01P-R and MIC5205-3.3YM5. Its parts include 5 resistors, 4 capacitors, 2 ICs, 2 diodes and 1 transistor. It belongs with the radio and wireless boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
NRF24L01P-R
QFN-20-EP(4x4)-40℃~+85℃ -82dBm 0dBm 1.9V~3.6V 11.3mA 13.5mA 2.4GHz 2.4GHz~2.525GHz 2Mbps ISM Power-on reset function、Supports RSSI function、CRC check function、Automatic response function、Automatic retransmission function SPI transceiver QFN-20-EP(4x4) RF Transceiver ICs ROHSNordic SemiconRF Transceiver ICs
MIC5205-3.3YM5
SOT-23-5-40℃~+85℃@(Ta) 1 150mA 200mV@(50mA) 20V 2uA 3.3V 70dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTECH PUBLICVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdArduino-RF-Pro-Mini
Arduino Pro Mini + nRF24L01P = Arduino-RF-Pro-Mini
- designed with Kicad.
- 100% Arduino Pro Mini pin compatible
- embeds nRF24l01+ chip for radio communication
- low power (can run for months on a battery)
- compatible with MySensors framework, but not only
Programming the board
You need to select Arduino Pro or Pro mini, ATmega328P (3.3V, 8MHz) in the Arduino IDE. An USB-Serial adapter that provides 3.3V is required, otherwise the radio chip can be damaged.
Source code
The example program consists in a roundtrip message that is sent from a node, using a gateway. You need two modules.
Special thanks
Parts
43| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C10 |
| 3 | 10uF | Capacitor_SMD:C_1206_3216Metric | _C10, C13, C19 |
| 2 | 10K | Resistor_SMD:R_0603_1608Metric | R2, R11 |
| 2 | 22pF | Capacitor_SMD:C_0402_1005Metric | _C1, _C2 |
| 2 | Conn_01x02_Male | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP2, JP3 |
| 2 | Conn_01x12_Male | Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Vertical | JP6, JP7 |
| 2 | R | Resistor_SMD:R_0603_1608Metric | R1, R3 |
| 1 | 1.0pF | Capacitor_SMD:C_0402_1005Metric | _C6 |
| 1 | 1.5pF | Capacitor_SMD:C_0402_1005Metric | _C5 |
| 1 | 10nF | Capacitor_SMD:C_0402_1005Metric | _C9 |
| 1 | 16 MHZ | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | X1 |
| 1 | 1M | Resistor_SMD:R_0402_1005Metric | _R1 |
| 1 | 1nF | Capacitor_SMD:C_0402_1005Metric | _C8 |
| 1 | 2.2nF | Capacitor_SMD:C_0402_1005Metric | _C3 |
| 1 | 2.7nH | Inductor_SMD:L_0402_1005Metric | _L2 |
| 1 | 22K | Resistor_SMD:R_0402_1005Metric | _R2 |
| 1 | 3.9nH | Inductor_SMD:L_0402_1005Metric | _L3 |
| 1 | 330 | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 33nF | Capacitor_SMD:C_0402_1005Metric | _C7 |
| 1 | 4.7pF | Capacitor_SMD:C_0402_1005Metric | _C4 |
| 1 | 8.2nH | Inductor_SMD:L_0402_1005Metric | _L1 |
| 1 | 8/16/20MHz | Crystal:Resonator_SMD_muRata_CSTxExxV-3Pin_3.0x1.1mm | Q1 |
| 1 | ATmega328P-AU | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Antenna | RF-Arduino-Pro-Mini:ANT-2.45-CHP | _A1 |
| 1 | Conn_01x06_Male | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | JP1 |
| 1 | Green | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | MIC5205-3.3YM5 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | Red | LED_SMD:LED_0603_1608Metric | LED1 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | SJ1 |
| 1 | nRF24L01P | Package_DFN_QFN:QFN-20-1EP_4x4mm_P0.5mm_EP2.5x2.5mm | _U1 |
The 40 most common of 43 parts.
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Questions
How big is the RF Arduino Pro Mini PCB?
It measures 21.6 × 48.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the RF Arduino Pro Mini use?
43 parts, built around the ATMEGA328P-AU, NRF24L01P-R and MIC5205-3.3YM5. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the RF Arduino Pro Mini KiCad files?
From the etimou/Arduino-RF-Pro-Mini repository on GitHub, at the commit this page was made from: the board is RF-Arduino-Pro-Mini.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the RF Arduino Pro Mini design in my own project?
Its repository states no licence, so its author keeps all rights: ask etimou before reusing the design.