2 layers72 × 72 mm
Earing ws2812b
vishalqsoni/Earring
A simple PCB-based wearable earring featuring WS2812B LEDs and an AT-tiny85 controller.
314 parts
2 layers43 × 25 mm
Electricity sound notifier
Glebka/electric-sound-notifierDevice designed to be connected to an AC-DC USB charger adapter. Upon plugging in, it emits three beeps to signal the presence of mains voltage. When the mains voltage is no longer detected it produces a prolonged beep.
- Size
- 43 × 25 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 21
- Nets
- 18
- Pads
- 54
- Tracks, vias
- 62, 22
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 15 Dec 2023
- Updated
- 15 Dec 2023
Overview
Electricity sound notifier is an open-source printed circuit board by Glebka, from the Glebka/electric-sound-notifier repository on GitHub. It is a 2-layer board of 43 × 25 mm with 21 parts on 18 nets, routed with 62 tracks and 22 vias.
It is built around the ATTINY85-20SU, MBR0520LT1G and MMBT3904. Its parts include 5 resistors, 3 capacitors, 2 diodes, 2 connectors and 1 IC. It belongs with the audio and music boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATTINY85-20SU
SOIC-8-208mil-40℃~+85℃ 10bit 2.7V~5.5V 20MHz 512Byte 512Byte 6 8 Bit 8KB AVR Built-in FLASH SOIC-8-208mil Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
MBR0520LT1G
UncategorisedUnknown maker
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
README.mdElectric Sound Notifier
Device designed to be connected to an AC-DC USB charger adapter. Upon plugging in, it emits three beeps to signal the presence of mains voltage. When the mains voltage is no longer detected it produces a prolonged beep.
Parts
21| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | MountingHole | MountingHole:MountingHole_2.5mm | H1, H2, H3, H4 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | MBR0520LT1 | Diode_SMD:D_SOD-123 | D1, D2 |
| 1 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 10k | Potentiometer_THT:Potentiometer_Runtron_RM-065_Vertical | RV1 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 10u | Capacitor_Tantalum_SMD:CP_EIA-3216-10_Kemet-I_Pad1.58x1.35mm_HandSolder | C1 |
| 1 | 1F | supercap:KAMCAP-5R5-D105VYC3H | C2 |
| 1 | 470 | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | ATtiny85-20S | Package_SO:SOIC-8W_5.3x5.3mm_P1.27mm | U1 |
| 1 | BZ+ | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1 |
| 1 | BZ- | TestPoint:TestPoint_Pad_1.5x1.5mm | TP2 |
| 1 | ISP | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J2 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | USB_A | Connector_USB:USB_A_CNCTech_1001-011-01101_Horizontal | J1 |
Similar boards
- 2 layers26.5 × 18 mm
Tinyfan
neoden/tinyfan
Temperature-controlled PSU fan driver: ATtiny85 + NTC, 4-pin PWM fan, KiCad 10
10 parts - 2 layers19.7 × 128.3 mm
- 4 layers58.4 × 22.9 mm
Quickfeather board
QuickLogic-Corp/quick-feather-dev-board
100% open source dev kit for EOS S3 MCU+eFPGA SoC supported by fully open source SDK and FPGA Toolchain
101 parts66CC-BY-SA-4.0 - 2 layers101.9 × 83.8 mm
PCB onigiricon
itaiko-project/ITAIKO-hardware
An open source Taiko no Tatsujin drum, originally based on Kasashiki's HIDtaiko and ravinrabbid's DonCon2040.
43 parts25 - 2 layers50.8 × 20.3 mm
- 2 layers169.9 × 190.9 mm
- 4 layers50.8 × 22.9 mm
RPGA Feather
Oak-Development-Technologies/RPGA-Feather
Home of everything RPGA! From schematics and board files to buildable examples!
82 parts20MIT
Questions
How big is the Electricity sound notifier PCB?
It measures 43 × 25 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Electricity sound notifier use?
21 parts, built around the ATTINY85-20SU, MBR0520LT1G and MMBT3904. 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 Electricity sound notifier KiCad files?
From the Glebka/electric-sound-notifier repository on GitHub, at the commit this page was made from: the board is electricity-sound-notifier.kicad_pcb and its schematic electricity-sound-notifier.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Electricity sound notifier design in my own project?
Its repository states no licence, so its author keeps all rights: ask Glebka before reusing the design.