Ishan-tron/Digital_Clock_PCBPCB version of | Diy 7 Segment Digital Clock With ATmega328P Chip | https://www.youtube.com/watch?v=LZik-IQQH7Q
Digital Clock is an open-source printed circuit board by Ishan-tron, from the Ishan-tron/Digital_Clock_PCB repository on GitHub. It is a 2-layer board of 83.8 × 68.6 mm with 26 parts on 42 nets, routed with 280 tracks and 39 vias.
It is built around the ATMEGA328-PU, HDSP-7401 and L7805. Its parts include 6 resistors, 6 ICs, 3 capacitors, 2 diodes and 2 switches. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
PCB version of | Diy 7 Segment Digital Clock With ATmega328P Chip | https://www.youtube.com/watch?v=LZik-IQQH7Q
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R2, R3, R4, R5 |
| 4 | HDSP-7401 | Display_7Segment:HDSP-7401 | U3, U4, U5, U6 |
| 4 | MountingHole | MountingHole:MountingHole_3mm | H1, H2, H3, H4 |
| 2 | 22pF | Capacitor_SMD:C_0402_1005Metric | C1, C2 |
| 2 | LED | LED_THT:LED_D4.0mm | D1, D2 |
| 1 | 104pF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y2 |
| 1 | 330R | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R6 |
| 1 | ATmega328-P | Package_DIP:DIP-28_W7.62mm | U1 |
| 1 | BOOT | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | Battery Terminal | TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type055_RT01502HDWU_1x02_P5.00mm_Horizontal | 9V Battery |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Horizontal_TabDown | U2 |
| 1 | LOGO | iemct_logo:iemct2 | G*** |
| 1 | RESET | Button_Switch_THT:SW_PUSH_6mm | SW2 |
It measures 83.8 × 68.6 mm and has 2 copper layers, 1.6 mm thick.
26 parts, built around the ATMEGA328-PU, HDSP-7401 and L7805. 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.
From the Ishan-tron/Digital_Clock_PCB repository on GitHub, at the commit this page was made from: the board is Digital_Clock.kicad_pcb and its schematic Digital_Clock.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Ishan-tron before reusing the design.
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