2 layers33 × 53.3 mm
Nrf52832 devboard
brrastak/nrf52832_devboard
The project main intension is the first experiment in designing bluetooth hardware. Design is not tested!
29 partsCERN-OHL-P-2.0
2 layers56 × 26.5 mm
Nrf52 motor controller
tmilkovic51/nrf52_motor_controllerMotor controler development board integrating the nRF52832 MCU and DRV8876 motor controller
- Size
- 56 × 26.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 50
- Nets
- 53
- Pads
- 216
- Tracks, vias
- 141, 46
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Jan 2023
- Updated
- 1 Feb 2023
Overview
Nrf52 motor controller is an open-source printed circuit board by tmilkovic51, from the tmilkovic51/nrf52_motor_controller repository on GitHub, published under the CERN-OHL-P-2.0 licence. It is a 2-layer board of 56 × 26.5 mm with 50 parts on 53 nets, routed with 141 tracks and 46 vias.
It is built around the HT7533, NRF52832-QFAA and AO3400A. Its parts include 19 capacitors, 9 resistors, 3 ICs, 3 connectors and 3 inductors. It belongs with the robots and motor control boards and the nRF52 and nRF5x boards of this library.
Main components
3
HT7533
SOT-890℃~+70℃@(Ta) 1 100mA 100mV@(1mA) 10uA 24V 3.3V Fixed Positive Short Circuit Protection SOT-89 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSKEXINVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
NRF52832-QFAA
QFN-48_EP_6.0x6.0x0.4PQFN-48-EP(6x6) New Arrivals ROHSNordic SemiconUncategorised
AO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
README
README.mdNRF52 motor controller devkit
A PCB integrating the nRF52832 MCU and DRV8876 motor controller with low power considerations, designed in KiCad.
Parts
50| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100nF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C6, C7, C16, C17, C19 |
| 6 | Test_point_1mm | custom_footprints:test_point_1mm | TP1, TP2, TP3, TP4, TP5, TP6 |
| 4 | 100K | Resistor_SMD:R_0402_1005Metric | R1, R2, R6, R9 |
| 3 | 10K | Resistor_SMD:R_0402_1005Metric | R4, R5, R7 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C1, C2 |
| 2 | 12pF | Capacitor_SMD:C_0402_1005Metric | C11, C12 |
| 2 | 15pF | Capacitor_SMD:C_0402_1005Metric | C13, C14 |
| 2 | Conn_01x10 | Connector_PinHeader_2.54mm:PinHeader_1x10_P2.54mm_Vertical | J2, J3 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_CK_RS282G05A3 | SW1, SW2 |
| 1 | 0.8pF | Capacitor_SMD:C_0402_1005Metric | C10 |
| 1 | 100pF | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric | C15 |
| 1 | 10uH | Inductor_SMD:L_0603_1608Metric | L2 |
| 1 | 15nH | Inductor_SMD:L_0402_1005Metric | L1 |
| 1 | 1K | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C9 |
| 1 | 22nF | Capacitor_SMD:C_0402_1005Metric | C18 |
| 1 | 3.9nH | Inductor_SMD:L_0402_1005Metric | L3 |
| 1 | 32.768kHz | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y2 |
| 1 | 32MHz | Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 680R | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | DRV8876PWPT | Package_SO:HTSSOP-16-1EP_4.4x5mm_P0.65mm_EP3.4x5mm_Mask3x3mm_ThermalVias | U3 |
| 1 | HT7533 | Package_TO_SOT_SMD:SOT-89-3 | U1 |
| 1 | PCB_antenna | RF_Antenna:Texas_SWRA117D_2.4GHz_Left | AE1 |
| 1 | RED_LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | Screw_Terminal_01x04 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-4_1x04_P5.00mm_Horizontal | J1 |
| 1 | nRF52832-QFAA | Package_DFN_QFN:QFN-48-1EP_6x6mm_P0.4mm_EP4.6x4.6mm | U2 |
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Questions
How big is the Nrf52 motor controller PCB?
It measures 56 × 26.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Nrf52 motor controller use?
50 parts, built around the HT7533, NRF52832-QFAA and AO3400A. 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 Nrf52 motor controller KiCad files?
From the tmilkovic51/nrf52_motor_controller repository on GitHub, at the commit this page was made from: the board is nrf52_motor_controller.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Nrf52 motor controller design in my own project?
Its repository publishes it under the CERN-OHL-P-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).