Arduino Nano Project Setup

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General
Chat History
Project
Plan
VCC

Evaluating USB connections.

Considering programming options.

Understanding component-linking rules.

Clarifying the design plan.

Designing the buzzer and display system.

Preparing the project plan.

Great — I’ll build a Nano carrier powered only from USB‑C, with HC‑SR04, I2C display, two loud buzzers (rate increases as distance decreases), and independent programming/debug.
Plan summary:
  • USB‑C 5V input with CC pull‑downs, fuse, TVS, bulk/decoupling; feed a 5V rail and isolate the Nano’s 5V (ideal/Schottky diode to prevent backfeed).
  • Place Arduino Nano, HC‑SR04 header, and an I2C display header (default I2C 1602/2004 LCD). Add UART 1x6 and ICSP 2x3 for programming/debug independent of Nano USB power.
  • Two loud 5V buzzers with NPN low‑side drivers and base resistors; clamp/flyback if magnetic. Map to Nano GPIO for cadence control.
  • Wire TRIG/ECHO, SDA/SCL, buzzer drivers; label, add mounting holes, run DRC/ERC, prep for fab.
Before I start, quick confirmations (answer briefly):
  1. Nano variant: OK to target classic 5V Arduino Nano?
  2. Display: prefer I2C 16x2/20x4 LCD (simple, very readable) or SSD1306 I2C OLED (compact, high contrast)?
  3. Buzzers: use two 5V active buzzers for loudness/cadence, or passive transducers driven with PWM for tone control? (Active is simpler and loud.)
When you confirm, click Start on the plan bar and I’ll execute.
Choose Nano and display
Clarify buzzer type and loudness
Describe beeping behavior
Ask about power isolation details
Set distance ranges for tones
14 days

Ready to start.

Show Plan

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VCC
ECHO
GND
TRIG
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Inspect

HC-SR04

HC-SR04
Description

Created
Last updated by vasy_skral
1 Contributor(s)
vasy_skral

Controls

Properties

Part Type
Sensor
Manufacturer Name
Manufacturer Part Number
HC-SR04
Designator Prefix
US

Availability & Pricing

DPNStockQty 1
20–1$2.27
10$5.2165
116$6.55

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