Pesc0/ClockA digital clock with a 7 segment display, attiny85, DS3231 and a lot of cool features
Clock is an open-source printed circuit board by Pesc0, from the Pesc0/Clock repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 70 × 54 mm with 30 parts on 43 nets, routed with 351 tracks and 36 vias.
It is built around the ATTINY85-20SU, HT16K33 and DS3231MZ+. Its parts include 5 connectors, 4 ICs, 3 switches, 2 resistors and 1 capacitor. It belongs with the lEDs and displays boards and the AVR (ATmega, ATtiny) boards of this library.
A digital clock based on the AtTiny85 and DS3231 chips.
Things to note:
TBD
You will need a working avr toolchain, with avr-gcc and avrdude installed on your computer. They are very easy to install on a linux computer, but on windows you will have to fiddle with Arduino IDE.
You will also need an AVR programmer, or alternatively you can use "Arduino as ISP".
You may need to modify the makefile and replace /dev/ttyACM0 with the usb port where your ICSP programmer is connected.
Once the programmer is connected to the board simply run
make install
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | PCB_breakpoint | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP3, JP4, JP5, JP6 |
| 3 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW1, SW2, SW3 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R2 |
| 2 | Buttons_conn | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4, J5 |
| 2 | I2C_jmp | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1, JP2 |
| 1 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1 |
| 1 | ATtiny85-20SU | Package_SO:SOIJ-8_5.3x5.3mm_P1.27mm | U1 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J3 |
| 1 | Battery_Cell | Battery:BatteryHolder_Keystone_3001_1x12mm | CR1220 |
| 1 | D | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | DS3231M | Package_SO:SOIC-16W_7.5x10.3mm_P1.27mm | U2 |
| 1 | HT16K33 | ht16k33:HT16K33 | U3 |
| 1 | I2C_conn | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | KW4-56NCWB-P-Y | display7seg:7segment | U4 |
| 1 | PWR_conn | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
The 23 most common of 30 parts.
It measures 70 × 54 mm and has 2 copper layers, 1.6 mm thick.
30 parts, built around the ATTINY85-20SU, HT16K33 and DS3231MZ+. 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 Pesc0/Clock repository on GitHub, at the commit this page was made from: the board is KiCad/clock.kicad_pcb and its schematic KiCad/clock.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
PCBench/PCBench
resolution = [0.5, 0.5] pcbfolder = '../PCBs/' pcbnames = ["1Bitsy1bitsy"] iters = 30 env = PCBRoutingEnv(resolution=resolution, pcbfolder=pcbfolder, pcbnames=pcbnames) obs, info = env.reset() for in range(iters): act =…
VoltMusic/OB-SX-Programmer-and-Interface
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