2 layers207.6 × 227.5 mm
2 layers337 × 76.1 mm
SevenSegmentClock
erickpires/seven-segments-clock- Size
- 337 × 76.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 125
- Nets
- 170
- Pads
- 517
- Tracks, vias
- 1,143, 146
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 6 Feb 2023
- Updated
- 20 Feb 2024
Overview
SevenSegmentClock is an open-source printed circuit board by erickpires, from the erickpires/seven-segments-clock repository on GitHub. It is a 2-layer board of 337 × 76.1 mm with 125 parts on 170 nets, routed with 1,143 tracks and 146 vias.
It is built around the ESP8266EX, DHT11 and LM2596S-5.0, with the 74HC138, PN2222A and 13N50F among its other parts. Its parts include 62 resistors, 27 capacitors, 15 ICs, 7 transistors and 4 diodes. It belongs with the ESP8266 boards of this library.
Main components
6
ESP8266EX
QFN-32-EP(5x5)-40℃~+125℃ -91dBm 120mA 2.4GHz 2.4GHz~2.4835GHz 2.5V~3.6V 21.5dBm 50mA 72.2Mbps SPI、UART、I2C、I2S WiFi transceiver QFN-32-EP(5x5) RF Transceiver ICs ROHSEspressif SystemsRF Transceiver ICs
DHT11
SIP-4-20℃~+60℃ 1mA 3.3V~5.5V 5%RH~95%RH ±2℃ ±5%RH SIP-4 Temperature and Humidity Sensor ROHSAosong ElecTemperature And Humidity Sensor
LM2596S-5.0
TO-263-5-40℃~+125℃@(TJ) 1 150kHz 3A 4.5V~40V 5V 5mA Buck Buck Built-in Fixed No TO-263-5 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
74HC138
SOP-160℃~+70℃ 24ns@5.0V,16pF 2V~6V 3/8 5.2mA 5.2mA 5uA 74HC Decoder Reverse function Single Supply SOP-16 Signal Switches, Multiplexers, Decoders ROHSGRSignal Switches, Multiplexers, Decoders
PN2222A
TO-92-3-55℃~+150℃ 1 NPN 1A 300MHz 300mV 40V 625mW NPN TO-92-3 Bipolar (BJT) ROHSNTE ElectronicsBipolar (BJT)13N50F
ITO-220ABMOSFETsGOODWORK
Parts
125| Qty | Value | Footprint | References |
|---|---|---|---|
| 44 | 160R | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R10, R11, R12, R13, R14, R21, R22, R23, R24, R25, R26, R27, R28, R29 +28 |
| 18 | 100nF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C1, C2, C3, C4, C5, C6, C7, C10, C11, C12, C13, C14, C16, C17, C19, C22 +2 |
| 7 | 1k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R15, R18, R35, R38, R53, R58, R62 |
| 6 | 4511 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U1, U3, U5, U8, U11, U12 |
| 6 | PN2222A | Package_TO_SOT_THT:TO-92_Inline | Q1, Q2, Q3, Q4, Q5, Q6 |
| 5 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R17, R20, R37, R40, R59 |
| 4 | 4.7uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C15, C21, C23, C25 |
| 4 | 560R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16, R19, R36, R39 |
| 4 | LED | LED_THT:LED_D5.0mm | D1, D2, D3, D4 |
| 3 | 47uF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C18, C20, C24 |
| 2 | 4042 | Package_DIP:DIP-16_W7.62mm_Socket_LongPads | U4, U10 |
| 2 | 4504 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U2, U6 |
| 2 | 470uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C26, C27 |
| 1 | 12V | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J1 |
| 1 | 13N50F | Package_TO_SOT_THT:TO-220-3_Vertical | Q7 |
| 1 | 2.2M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R61 |
| 1 | 4082 | Package_DIP:DIP-14_W7.62mm_Socket_LongPads | U9 |
| 1 | 74HC138 | Package_SO:SOIC-16_3.9x9.9mm_P1.27mm | U7 |
| 1 | DHT11 | Sensor:Aosong_DHT11_5.5x12.0_P2.54mm | U14 |
| 1 | Degree | Display_7Segment:7SegmentLED_LTS6760_LTS6780 | SSD6 |
| 1 | ESP8266 | Library:ESP8266 (NodeMCU_12-E) | U13 |
| 1 | GND | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J2 |
| 1 | HOU_TENS | Library:LSD230A | SSD7 |
| 1 | HOU_UNITS | Library:LSD230A | SSD5 |
| 1 | LM2596 | Library:LM2596 | U15 |
| 1 | MIN_TENS | Library:LSD230A | SSD4 |
| 1 | MIN_UNITS | Library:LSD230A | SSD3 |
| 1 | Percent | Display_7Segment:7SegmentLED_LTS6760_LTS6780 | SSD8 |
| 1 | R_Photo | OptoDevice:R_LDR_4.9x4.2mm_P2.54mm_Vertical | R60 |
| 1 | SEC_TENS | Library:LSD230A | SSD2 |
| 1 | SEC_UNITS | Library:LSD230A | SSD1 |
Questions
How big is the SevenSegmentClock PCB?
It measures 337 × 76.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SevenSegmentClock use?
125 parts, built around the ESP8266EX, DHT11, LM2596S-5.0 and 74HC138. 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 SevenSegmentClock KiCad files?
From the erickpires/seven-segments-clock repository on GitHub, at the commit this page was made from: the board is SevenSegmentClock/SevenSegmentClock.kicad_pcb and its schematic SevenSegmentClock/SevenSegmentClock.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the SevenSegmentClock design in my own project?
Its repository states no licence, so its author keeps all rights: ask erickpires before reusing the design.
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