

Annahs clock hps
- Size
- 140 × 90 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 67
- Pads
- 242
- Tracks, vias
- 549, 130
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 4 Sep 2024
- Updated
- 4 Sep 2024
Overview
Annahs clock hps is an open-source printed circuit board by Annah03, from the Annah03/annahsingh-clock repository on GitHub. It is a 2-layer board of 140 × 90 mm with 74 parts on 67 nets, routed with 549 tracks and 130 vias.
It is built around the MAX7219M, SC56-11EWA and L7805CDT-TR, with the 08055C104KAT2A, B3FS-1000P and RC0805FR-0710KL among its other parts. Its parts include 18 resistors, 12 capacitors, 6 switches, 5 ICs and 3 connectors. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
12MAX7219M
SOP-24-300mil10MHz 150uA 3-Wire Serial Interface 30mA 320mA 4V~5.5V 8 Segment x 8 Digit Built-in display RAM、PWM dimming、BCD input latch function、Power-up display blanking、Lamp test function、Cascadable function SOP-24-300mil Digital Tube Drivers ROHSHGSEMIDigital Tube DriversSC56-11EWA
DIP-10-40℃~+85℃ 0.56 1 1.9V 7 Segment 75mW 8mcd Common Cathode Red DIP-10 LED Segment Displays ROHSKingbrightLED Segment DisplaysL7805CDT-TR
DPAK0℃~+125℃@(Tj) 1 1.5A 2V@(1A) 35V 5V 68dB@(120Hz) 6mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive DPAK Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSSTMicroelectronicsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators08055C104KAT2A
0805100nF 50V X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSKyocera AVXMultilayer Ceramic Capacitors MLCC - SMD/SMTB3FS-1000P
SMD-4P,6.3x6mm-25℃~+70℃ 1N 24V 3.1mm 50mA 6.3mm 6mm Gull Wing Round Button SPST Surface Mount,Vertical SMD-4P,6.3x6mm Tactile Switches ROHSOmronTactile SwitchesRC0805FR-0710KL
UncategorisedUnknown makerCC0805JRNPO9BN220
080522pF 50V NP0 ±5% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSYAGEOMultilayer Ceramic Capacitors MLCC - SMD/SMTED281DT
插件7.62mm 插件 IC / Transistor Socket ROHSOn-Shore TechIC / Transistor SocketBS-7
SMD-55℃~+105℃ SMD Button And Strip Battery Connector ROHSMPDButton And Strip Battery ConnectorPS1420P02CT
插件,D=14mm-10℃~+70℃ 11mm 14mm 2kHz 30V 5V 5mm 70dB Passive (Externally Driven) Piezoelectric Through-hole 插件,D=14mm Buzzers ROHSTDKBuzzersCC0805KKX7R8BB105
08051uF 25V X7R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSYAGEOMultilayer Ceramic Capacitors MLCC - SMD/SMTECS-160-20-5PXDN-TR
HC-49S-SMD-40℃~+85℃ 16MHz 20pF 40Ω ±100ppm ±30ppm HC-49S-SMD Crystals ROHSECSCrystals
README
README.mdannahsingh-clock
My first HPS clock.
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | TestPoint | footprints:TestPoint_THTPad_D2.0mm_Drill1.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15, TP16 |
| 8 | C_0805_0.1uf | footprints:C_0805_2012Metric | C1, C2, C3, C7, C8, C10, C11, C13 |
| 6 | Omron_B3F_SPST | footprints:SW_SPST_Omron_B3FS-100xP | SW1, SW2, SW3, SW4, SW5, SW6 |
| 5 | R_0805_10K | footprints:R_0805_2012Metric | R1, R2, R5, R8, R9 |
| 5 | R_0805_1K | footprints:R_0805_2012Metric | R12, R13, R14, R15, R18 |
| 4 | MountingHole | footprints:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | R_0805_47 | footprints:R_0805_2012Metric | R3, R4, R16, R17 |
| 2 | C_0805_22pf | footprints:C_0805_2012Metric | C4, C5 |
| 2 | R_0805_4.7K | footprints:R_0805_2012Metric | R6, R7 |
| 2 | SC56-11EWA | footprints:Sx56-1xxxxx | U4, U5 |
| 1 | ATmega328-PU | footprints:DIP-28_W7.62mm | UI1 |
| 1 | Battery_Cell | footprints:BatteryHolder_Keystone_106_1x20mm | BT1 |
| 1 | Buzzer | footprints:Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | BZ1 |
| 1 | C_0805_10uf | footprints:C_0805_2012Metric | C9 |
| 1 | C_0805_1uf | footprints:C_0805_2012Metric | C6 |
| 1 | Conn_01x06 | footprints:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | Conn_02x03_Odd_Even | footprints:PinHeader_2x03_P2.54mm_Vertical | J3 |
| 1 | Crystal_16MHz | footprints:Crystal_SMD_HC49-SD | Y1 |
| 1 | Crystal_32768Hz | footprints:Crystal_SMD_2Pin_3.2x1.5mm | Y2 |
| 1 | DS1307_DIP-8 | footprints:DIP-8_W7.62mm | U1 |
| 1 | L7805 | footprints:TO-252-2 | U3 |
| 1 | LED_0805 | footprints:LED_0805_2012Metric | D1 |
| 1 | LOGO | footprints:HPS_logo | G*** |
| 1 | MAX7219 | footprints:DIP-24_W7.62mm | U2 |
| 1 | NPN_2N3904_SOT23 | footprints:SOT-23 | Q1 |
| 1 | R_0805_100K | footprints:R_0805_2012Metric | R10 |
| 1 | R_0805_2.2K | footprints:R_0805_2012Metric | R11 |
| 1 | R_POT_10K | footprints:Potentiometer_Bourns_3386P_Vertical | RV1 |
| 1 | TC1602A-01T | footprints:TC1602A-01T | DS1 |
| 1 | VAL** | footprints:PJ-102AH | J2 |
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Questions
How big is the Annahs clock hps PCB?
It measures 140 × 90 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Annahs clock hps use?
74 parts, built around the MAX7219M, SC56-11EWA, L7805CDT-TR and 08055C104KAT2A. 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 Annahs clock hps KiCad files?
From the Annah03/annahsingh-clock repository on GitHub, at the commit this page was made from: the board is Annahs_clock_hps/Annahs_clock_hps.kicad_pcb and its schematic Annahs_clock_hps/Annahs_clock_hps.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Annahs clock hps design in my own project?
Its repository states no licence, so its author keeps all rights: ask Annah03 before reusing the design.