2 layers50 × 50 mm
2 layers55 × 35 mm
Mini BT Pcb-328P
d-diot/Mini-BT-Pcb-328P3MySensors ATMega328P + RFM69 and NRF24 battery (AAA and CR2032) powered pcb
- Size
- 55 × 35 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 54
- Nets
- 57
- Pads
- 209
- Tracks, vias
- 786, 154
- Pours
- 25
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 6 Oct 2019
- Updated
- 15 Jul 2020
Overview
Mini BT Pcb-328P is an open-source printed circuit board by d-diot, from the d-diot/Mini-BT-Pcb-328P repository on GitHub. It is a 2-layer board of 55 × 35 mm with 54 parts on 57 nets, routed with 786 tracks and 154 vias.
It is built around the ATMEGA328P-AU, NRF24L01 and ME2188C33M5G, with the AMS1117-3.3, ATSHA204A and RFM69HW among its other parts. Its parts include 12 capacitors, 10 resistors, 7 ICs, 5 diodes and 5 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
10
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)
NRF24L01
QFN-20-EP(4x4)-40℃~+85℃ -85dBm 0dBm 1.9V~3.6V 2.4GHz 2Mbps CRC check function、Automatic response function、Automatic retransmission function SPI QFN-20-EP(4x4) RF Transceiver ICs ROHSNordic SemiconRF Transceiver ICs
ME2188C33M5G
SOT-23-5-40℃~+150℃@(TJ) 1 3.3V 300mA 320kHz 7.5uA 900mV~5V Boost Boost Built-in Fixed Overcurrent Protection、Light load efficient mode Yes SOT-23-5 DC-DC Converters ROHSMICRONEDC-DC Converters
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
ATSHA204A
SOIC 8SOIC8 New Arrivals ROHSMicrochip TechnologyUncategorised
RFM69HW
LCC-16_19.7X16mmLCC-16_19.7X16mm New Arrivals ROHSHopeRF Micro-electronicsUncategorised
CR2032
-- Unclassified goods ROHSMaxellUncategorised
FDN337N
SOT-23-55℃~+150℃ 1 N-channel 120pF 2.2A 300pF 30V 400mV 500mW 65mΩ@4.5V 80pF SOT-23 MOSFETs ROHSTECH PUBLICMOSFETsFDN338P
SOT-23-55℃~+150℃ 1 P-Channel 1.5V 1.6A 13nC@4.5V 155mΩ@2.5V 20V 33pF 451pF 500mW 75pF P-Channel SOT-23 MOSFETs ROHSonsemiMOSFETs
SS14
SMA(DO-214AC)-55℃~+150℃ 1A 25A 300uA@40V 40V 550mV@1A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdd-diot Mini-BT-Pcb-328P
This board is part of the d-diot project. See the blog post or the dedicated wiki page to know more about this board.
See the latest release to download the gerber files to manufacture this board.
Applications of this PCB:
Doors and Windows sensor
MySensors battery powered and 3d printable wireless doors and windows sensor. MySensors is compatible with a lot of open source home automation software like Home Assistant (which is the one included in the d-diot hub and image), OpenHAB, Domoticz, etc... See here for a complete list.
Soil moisture sensor
MySensors battery powered and 3d printable wireless soil moisture sensor.
Firmware
The repository of the firmware associated to this board is here.
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 0.1uF | Capacitor_SMD:C_0805_2012Metric | C4, C7, C8, C9, C10, C11 |
| 4 | 10K | Resistor_SMD:R_0805_2012Metric | R2, R3, R5, R9 |
| 4 | 330 | Resistor_SMD:R_0805_2012Metric | R6, R7, R8, R10 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C3, C6 |
| 2 | 20K | Resistor_SMD:R_0805_2012Metric | R1, R4 |
| 2 | AAA Cell | batteries:AAA-Keystone-55 | BT2, BT3 |
| 2 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP3, JP5 |
| 2 | Y-LED | LED_SMD:LED_0805_2012Metric | D3, D5 |
| 1 | 100uF | Capacitor_SMD:CP_Elec_6.3x5.4 | C1 |
| 1 | 100uF-Tantalum | capacitors:TAJD107K016RNJV | C2 |
| 1 | 1xAAA | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP4 |
| 1 | 22uF-Tantalum | CAPPC3528X210N:CAPPC3528X210N | C5 |
| 1 | 22uH | Inductor_SMD:L_6.3x6.3_H3 | L1 |
| 1 | 47uF | Capacitor_SMD:CP_Elec_5x5.4 | C12 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | ANT | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J5 |
| 1 | ATSHA204A | Package_TO_SOT_SMD:SOT-23_Handsoldering | U2 |
| 1 | ATmega328P-AU | Package_QFP:TQFP-32_7x7mm_P0.8mm | U4 |
| 1 | Analog IN | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1Left | J1 |
| 1 | Boost | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical_SMD_Pin1Left | JP1 |
| 1 | Booster CE | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD | J3 |
| 1 | CR2032 | Battery:BatteryHolder_Keystone_1058_1x2032 | BT1 |
| 1 | FDN337N | FDN337N:SSOT-3 | Q2 |
| 1 | FDN338P | FDN338P:SSOT-3 | Q1 |
| 1 | G-LED | LED_SMD:LED_0805_2012Metric | D4 |
| 1 | LOGO | logo:d-diot-logo-small | G*** |
| 1 | ME2188C33 | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | MYSX_2.6 | Connector_PinHeader_2.54mm:PinHeader_2x11_P2.54mm_Vertical_SMD | P1 |
| 1 | NRF24L01 | mysensors_radios:NRF24L01-SMD | U6 |
| 1 | NRF24L01 | mysensors_radios:NRF24L01 | U5 |
| 1 | R-LED | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | RFM69HW | mysensors_radios:RFM69HW_SMD_Handsoldering | U7 |
| 1 | Radio-rst | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | Reset | 1437566-3:SW_1437566-3 | SW2 |
| 1 | SS14 | diodes:SS14 | D1 |
| 1 | SW_Reed | switches:Reed-MKA-14103 | SW3 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Molex-105017-0001 | J2 |
The 53 most common of 54 parts.
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Questions
How big is the Mini BT Pcb-328P PCB?
It measures 55 × 35 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Mini BT Pcb-328P use?
54 parts, built around the ATMEGA328P-AU, NRF24L01, ME2188C33M5G and AMS1117-3.3. 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 Mini BT Pcb-328P KiCad files?
From the d-diot/Mini-BT-Pcb-328P repository on GitHub, at the commit this page was made from: the board is Mini-BT-Pcb-328P.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mini BT Pcb-328P design in my own project?
Its repository states no licence, so its author keeps all rights: ask d-diot before reusing the design.