# Arduino LCD timer ## Description LCD timer with Arduino that uses an encoder to set the time. The code works but it's limited, feel free to upgrade Feel free to review the board. ## Project Details - **Owner:** jecstronic - **Created:** 9/9/2022 - **Last Updated:** 9/13/2022 - **Visibility:** Public - **Stars:** 1 ## Key Components ### BZ1 — [Buzzer_12mm_9.5mm RM7.6](https://www.flux.ai/jecstronic/buzzer12mm95mm-rm76~vgl.md) - Part Type: Buzzer **Pins:** - - - + ### D1 — [Diode_THT_P10.16mm_Horizontal](https://www.flux.ai/jecstronic/diodethtp1016mmhorizontal~6z.md) - Part Type: Diode **Pins:** - A - K ### D2 — [Diode_THT_P10.16mm_Horizontal](https://www.flux.ai/jecstronic/diodethtp1016mmhorizontal~6z.md) - Part Type: Diode **Pins:** - A - K ### D3 — [Diode_THT_P10.16mm_Horizontal](https://www.flux.ai/jecstronic/diodethtp1016mmhorizontal~6z.md) - Part Type: Diode **Pins:** - A - K ### D4 — [Diode_THT_P10.16mm_Horizontal](https://www.flux.ai/jecstronic/diodethtp1016mmhorizontal~6z.md) - Part Type: Diode **Pins:** - A - K ### J2 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Part Type: Connector - Manufacturer Name: DEGSON ELECTRONICS - Manufacturer Part Number: DG301-5.0-2P12 **Pins:** - PIN1 - PIN2 ### J2 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Manufacturer Part Number: DG301-5.0-2P12 - Part Type: Connector - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Manufacturer Name: DEGSON ELECTRONICS **Pins:** - PIN1 - PIN2 ### J3 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Manufacturer Part Number: DG301-5.0-2P12 - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Part Type: Connector - Manufacturer Name: DEGSON ELECTRONICS **Pins:** - PIN1 - PIN2 ### J4 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Part Type: Connector - Manufacturer Name: DEGSON ELECTRONICS - Manufacturer Part Number: DG301-5.0-2P12 **Pins:** - PIN1 - PIN2 ### J5 — [Pin Socket 01x05 2.00mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x05-200mm-vertical~wxi.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 - Pin_5 ### J6 — [DG301-5.0-2P12](https://www.flux.ai/jecstronic/dg301-50-2p12~01g.md) - Part Type: Connector - Datasheet URL: https://octopart.com/datasheet/dg301-5.0-02p-12-00a%28h%29-degson-30865567 - Manufacturer Name: DEGSON ELECTRONICS - Manufacturer Part Number: DG301-5.0-2P12 **Pins:** - PIN1 - PIN2 ### K1 — [SRD-S-112D](https://www.flux.ai/jecstronic/srd-s-112d~ne.md) - Manufacturer Name: Sanyou Relay - Datasheet URL: http://www.sanyourelay.ca/public/products/pdf/SRD.pdf - Manufacturer Part Number: SRD-S-112D - Part Type: Relay **Pins:** - 1 - 2 - 3 - 4 - 5 ### K2 — [SRD-S-112D](https://www.flux.ai/jecstronic/srd-s-112d~ne.md) - Datasheet URL: http://www.sanyourelay.ca/public/products/pdf/SRD.pdf - Manufacturer Part Number: SRD-S-112D - Part Type: Relay - Manufacturer Name: Sanyou Relay **Pins:** - 1 - 2 - 3 - 4 - 5 ### K3 — [SRD-S-112D](https://www.flux.ai/jecstronic/srd-s-112d~ne.md) - Manufacturer Name: Sanyou Relay - Part Type: Relay - Datasheet URL: http://www.sanyourelay.ca/public/products/pdf/SRD.pdf - Manufacturer Part Number: SRD-S-112D **Pins:** - 1 - 2 - 3 - 4 - 5 ### K4 — [SRD-S-112D](https://www.flux.ai/jecstronic/srd-s-112d~ne.md) - Part Type: Relay - Manufacturer Part Number: SRD-S-112D - Datasheet URL: http://www.sanyourelay.ca/public/products/pdf/SRD.pdf - Manufacturer Name: Sanyou Relay **Pins:** - 1 - 2 - 3 - 4 - 5 ### LCD1 — [WC1602A](https://www.flux.ai/jecstronic/wc1602a~vi0.md) - Part Type: Display Device - Manufacturer Part Number: WC1602A - Datasheet URL: http://www.datasheet39.com/download.php?id=735838 - Manufacturer Name: Wincom Tech **Pins:** - D0 - D1 - D2 - D3 - D4 - D5 - D6 - D7 - E - LED(-) - LED(+) - R/W - RS - VDD - VO - VSS ### Q1 — [2N3904 Inline_Wide](https://www.flux.ai/jecstronic/2n3904-inlinewide~76d.md) - Datasheet URL: https://www.nteinc.com/specs/original/2N3904.pdf - Manufacturer Part Number: 2N3904 - Manufacturer Name: NTE Electronics, Inc - Part Type: Transistor **Pins:** - B - C - E ### Q2 — [2N3904 Inline_Wide](https://www.flux.ai/jecstronic/2n3904-inlinewide~76d.md) - Part Type: Transistor - Manufacturer Name: NTE Electronics, Inc - Manufacturer Part Number: 2N3904 - Datasheet URL: https://www.nteinc.com/specs/original/2N3904.pdf **Pins:** - B - C - E ### Q3 — [2N3904 Inline_Wide](https://www.flux.ai/jecstronic/2n3904-inlinewide~76d.md) - Part Type: Transistor - Manufacturer Name: NTE Electronics, Inc - Manufacturer Part Number: 2N3904 - Datasheet URL: https://www.nteinc.com/specs/original/2N3904.pdf **Pins:** - B - C - E ### Q4 — [2N3904 Inline_Wide](https://www.flux.ai/jecstronic/2n3904-inlinewide~76d.md) - Manufacturer Part Number: 2N3904 - Manufacturer Name: NTE Electronics, Inc - Part Type: Transistor - Datasheet URL: https://www.nteinc.com/specs/original/2N3904.pdf **Pins:** - B - C - E ### RV1 — [ACP_CA9-V10](https://www.flux.ai/jecstronic/acpca9-v10~fb5.md) - Part Type: Potentiometer **Pins:** - 1 - 2 - 3 ### U1 — [PC817C](https://www.flux.ai/vasyl/pc817c~08t.md) - Manufacturer Part Number: PC817C - Datasheet URL: https://www.taiwansemi.com/assets/uploads/datasheet/TPC817%20SERIES_C1612.pdf - Part Type: Integrated Circuit - Manufacturer Name: Taiwan Semiconductor Corporation **Pins:** - ~ - ~ - ~ - ~ ### U1 — [ARDUINO_NANO](https://www.flux.ai/jecstronic/arduinonano~2x.md) - Part Type: Integrated Circuit - Manufacturer Part Number: ARDUINO_NANO - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.snapeda.com/parts/Arduino%20Nano/Arduino/datasheet/ **Pins:** - +5V - 3V3 - A0 - A1 - A2 - A3 - A4 - A5 - A6 - A7 - AREF - COM/GND - COM/GND - D0/RX - D1/TX - D10 - D11/MOSI - D12/MISO - D13/SCK - D2 - D3 - D4 - D5 - D6 - D7 - D8 - D9 - RESET - RESET - VIN ### U2 — [PC817C](https://www.flux.ai/vasyl/pc817c~08t.md) - Manufacturer Name: Taiwan Semiconductor Corporation - Part Type: Integrated Circuit - Datasheet URL: https://www.taiwansemi.com/assets/uploads/datasheet/TPC817%20SERIES_C1612.pdf - Manufacturer Part Number: PC817C **Pins:** - ~ - ~ - ~ - ~ ### U3 — [PC817C](https://www.flux.ai/vasyl/pc817c~08t.md) - Part Type: Integrated Circuit - Manufacturer Name: Taiwan Semiconductor Corporation - Datasheet URL: https://www.taiwansemi.com/assets/uploads/datasheet/TPC817%20SERIES_C1612.pdf - Manufacturer Part Number: PC817C **Pins:** - ~ - ~ - ~ - ~ ### U4 — [PC817C](https://www.flux.ai/vasyl/pc817c~08t.md) - Part Type: Integrated Circuit - Manufacturer Name: Taiwan Semiconductor Corporation - Manufacturer Part Number: PC817C - Datasheet URL: https://www.taiwansemi.com/assets/uploads/datasheet/TPC817%20SERIES_C1612.pdf **Pins:** - ~ - ~ - ~ - ~ *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jecstronic/arduino-lcd-timer~4c9](https://www.flux.ai/jecstronic/arduino-lcd-timer~4c9).* --- *Generated from [https://www.flux.ai/jecstronic/arduino-lcd-timer~4c9](https://www.flux.ai/jecstronic/arduino-lcd-timer~4c9)*