# [Example] Arduino MKR Memory Shield e0a9 ## Description Example project for an Arduino MKR shield. It adds an external flash memory to the Arduino MKR. Based on the Arduino MKR Shield template. #project #arduino #shield #MKR ## Project Details - **Owner:** darknigh - **Created:** 8/24/2024 - **Last Updated:** 8/24/2024 - **Visibility:** Public ## Key Components ### PIR1 — [IRA-S230ST01](https://www.flux.ai/vasyl/ira-s230st01.md) - Manufacturer Name: Murata Electronics - Datasheet URL: https://www.murata.com/~/media/webrenewal/products/sensor/infrared/ira/ira-s230st01-e.ashx?la=en - Manufacturer Part Number: IRA-S230ST01 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Optical Motion Sensors **Pins:** - DRAIN [pin 1] - GND [pin 3] - SOURCE [pin 2] ### PIR2 — [IRA-S230ST01](https://www.flux.ai/vasyl/ira-s230st01.md) - Datasheet URL: https://www.murata.com/~/media/webrenewal/products/sensor/infrared/ira/ira-s230st01-e.ashx?la=en - Manufacturer Part Number: IRA-S230ST01 - Manufacturer Name: Murata Electronics - Part Type: Optical Motion Sensors - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DRAIN [pin 1] - GND [pin 3] - SOURCE [pin 2] ### U1 — [SN7400N](https://www.flux.ai/adrian95/sn7400n.md) - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Manufacturer Part Number: SN7400N - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fsn7400 **Pins:** - 1A [pin 1] - 1B [pin 2] - 1Y [pin 3] - 2A [pin 4] - 2B [pin 5] - 2Y [pin 6] - 3A [pin 9] - 3B [pin 10] - 3Y [pin 8] - 4A [pin 12] - 4B [pin 13] - 4Y [pin 11] - GND [pin 7] - VCC [pin 14] ### U2 — [DM7404M](https://www.flux.ai/jecstronic/dm7404m.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Fairchild Semiconductor - Manufacturer Part Number: DM7404M - Datasheet URL: https://rocelec.widen.net/view/pdf/shy4bizwpr/FAIRS13788-1.pdf - Part Type: Integrated Circuit **Pins:** - A1 [pin 1] - A2 [pin 3] - A3 [pin 5] - A4 [pin 9] - A5 [pin 11] - A6 [pin 13] - GND [pin 7] - VCC [pin 14] - Y1 [pin 2] - Y2 [pin 4] - Y3 [pin 6] - Y4 [pin 8] - Y5 [pin 10] - Y6 [pin 12] ### U3 — [SN74LS02NSR](https://www.flux.ai/jecstronic/sn74ls02nsr.md) - Manufacturer Name: Texas Instruments - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn7402.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: SN74LS02NSR - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1A [pin 2] - 1B [pin 3] - 1Y [pin 1] - 2A [pin 5] - 2B [pin 6] - 2Y [pin 4] - 3A [pin 8] - 3B [pin 9] - 3Y [pin 10] - 4A [pin 11] - 4B [pin 12] - 4Y [pin 13] - GND [pin 7] - VCC [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/darknigh/example-arduino-mkr-memory-shield-e0a9](https://www.flux.ai/darknigh/example-arduino-mkr-memory-shield-e0a9).* --- *Generated from [https://www.flux.ai/darknigh/example-arduino-mkr-memory-shield-e0a9](https://www.flux.ai/darknigh/example-arduino-mkr-memory-shield-e0a9)*