ESP32-C3 Overview and Applications

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Below is a summary of the details for IC1:
Overview and Purpose
The ESP32-C3 is a low-power, cost-effective microcontroller designed for IoT and smart embedded applications. It integrates both Wi‑Fi and Bluetooth Low Energy (BLE) connectivity while using a single‑core RISC‑V processor. This combination makes it ideal for applications where wireless connectivity and efficient power management are critical.
Key Functions and Operation
  • Processing Core:
    • Runs on a single‑core RISC‑V processor capable of operating at speeds up to approximately 160 MHz.
    • Supports efficient instruction execution with low latency for managing peripheral interfaces.
  • Wireless Connectivity:
    • Fully integrated Wi‑Fi allows for robust internet connectivity, while BLE support enables communication with low-power sensor networks and smart devices.
  • Memory and Peripherals:
    • Includes on‑chip SRAM and flash memory sufficient for many embedded tasks.
    • Hosts multiple peripheral interfaces (SPI, UART, I2C, PWM, ADC, etc.) that allow connectivity with sensors, displays, and other modules.
  • Low‑Power Features:
    • Offers various sleep and deep‑sleep modes to minimize power consumption, making it very attractive for battery‑powered applications.
  • Security:
    • Includes hardware‑based security features such as secure boot and cryptographic accelerators to protect data and firmware integrity.
Common Applications
  • IoT Devices: Smart sensors, environmental monitors, and home automation systems
  • Wearables and Portable Electronics: Where energy efficiency and wireless connectivity are needed
  • Smart Home Products: Connected lighting, thermostats, and security systems
  • Industrial Control & Automation: Devices that require remote monitoring and control
Family, Series, and Variations
  • Family Overview:
    The ESP32-C3 is part of the broader ESP32 family from Espressif Systems. It is specifically within the “C3” series that leverages a RISC‑V core, as opposed to the original ESP32 series that use dual‑core Tensilica processors.
  • Key Variations and Differences:
    • ESP32 vs ESP32-C3:
      • The original ESP32 devices typically have dual cores (Tensilica LX6) and offer higher performance for more demanding applications.
      • The ESP32‑C3, on the other hand, is optimized for lower cost, smaller footprint, and lower power consumption while still delivering integrated wireless connectivity.
    • Integrated Peripherals and Security:
      • The ESP32‑C3 series emphasizes robust security features with integrated cryptographic accelerators, making them a strong choice in secure IoT applications.
    • Package and Footprint:
      • The device in question is housed in a compact QFN‑32 package, which is well suited for space‑constrained designs such as smart scales, wearables, and other embedded consumer electronics.
  • Typical Use Cases Compared to Other Models:
    • While dual‑core versions are preferred for applications that require intensive parallel processing (such as elaborate multimedia processing or complex real‑time control), the ESP32‑C3 tends to be chosen for battery‑operated, network‑enabled devices where cost, power consumption, and size are more critical.
    • In designs where peripheral integration and security are prioritized along with modest processing needs, the ESP32‑C3 fits exceptionally well.
How It Operates Within a Circuit
In a typical design, the microcontroller acts as the central processing unit:
  • It interacts with sensors and user interfaces through its multiple I/O interfaces.
  • The integrated Wi‑Fi and BLE radios create the wireless backbone for communication in IoT networks.
  • Low‑power modes are managed dynamically based on the operational state, allowing the board to extend battery life.
  • The security features work in tandem with firmware to ensure that only authorized code is executed and that communications remain encrypted and secure.
This level of integration and performance makes the ESP32‑C3 a compelling choice for contemporary smart applications that demand both connectivity and energy efficiency while keeping the design compact and cost‑effective.
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PP5V0
USBC2.0_D_N
SPI_MISO
I2C_SDA
PP3V3
SPI_SCK
USBC2.0_D_P
I2C_SCL
PP3V3_SPI
SPI_SCK
INT_ADC_DRDY
PP3V3
GPIO_SW1
I2C_SDA
GPIO_SW2
SPI_MISO
SPI_MOSI
I2C_SCL
SPI_CS
PP3V3
PP3V3
SPI_CS
SPI_MOSI
R3
Resistance
10kΩ
C7
Capacitance
1uF
C13
Capacitance
1uF
C18
Capacitance
1uF
C2
Manufacturer Part Number
OPT
C10
Capacitance
1uF
C25
Capacitance
22uF
C15
Capacitance
1uF
C5
Capacitance
1uF
C8
Capacitance
13pF
C12
Capacitance
1uF
C6
Capacitance
1.2pF
C24
Capacitance
1uF
C31
Capacitance
.1uF
C4
Capacitance
13pF
Y1
L1
Inductance
2.2nH
R8
Resistance
953kΩ
IC1
C22
Capacitance
10uF
MCU_TXD
J1
C21
Capacitance
10uF
R6
Resistance
180kΩ
C30
Capacitance
10uF
L2
Inductance
2.2nH
MCU_RXD
MCU_BOOT
Y2
L4
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
    jharwinbarrozo
    16.2k
  • Generic Capacitor
    Generic Capacitor
    A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF, 10pF, 100pF, 1000pF, 0.01uF, 0.1uF, 1.0uF, 10uF, 100uF, 1000uF, 10000uF 1.1pF, 11pF, 110pF, 1100pF 1.2pF, 12pF, 120pF, 1200pF 1.3pF, 13pF, 130pF, 1300pF 1.5pF, 15pF, 150pF, 1500pF, 0.015uF, 0.15uF, 1.5uF, 15uF, 150uF, 1500uF 1.6pF, 16pF, 160pF, 1600pF 1.8pF, 18pF, 180pF, 1800pF 2.0pF, 20pF, 200pF, 2000pF 2.2pF, 22pF, 220pF, 2200pF, 0.022uF, 0.22uF, 2.2uF, 22uF, 220uF, 2200uF 2.4pF, 24pF, 240pF, 2400pF 2.7pF, 27pF, 270pF, 2700pF 3.0pF, 30pF, 300pF, 3000pF 3.3pF, 33pF, 330pF, 3300pF, 0.033uF, 0.33uF, 3.3uF, 33uF, 330uF, 3300uF 3.6pF, 36pF, 360pF, 3600pF 3.9pF, 39pF, 390pF, 3900pF 4.3pF, 43pF, 430pF, 4300pF 4.7pF, 47pF, 470pF, 4700pF, 0.047uF, 0.47uF, 4.7uF, 47uF, 470uF, 4700uF 5.1pF, 51pF, 510pF, 5100pF 5.6pF, 56pF, 560pF, 5600pF 6.2pF, 62pF, 620pF, 6200pF 6.8pF, 68pF, 680pF, 6800pF, 0.068uF, 0.68uF, 6.8uF, 68uF, 680uF, 6800uF 7.5pF, 75pF, 750pF, 7500pF 8.2pF, 82pF, 820pF, 8200pF 9.1pF, 91pF, 910pF, 9100pF #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • RMCF0805JT47K0
    RMCF0805JT47K0
    General Purpose Thick Film Standard Power and High-Power Chip Resistor 47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film Features: - RMCF – standard power ratings - RMCP – high power ratings - Nickel barrier terminations standard - Power derating from 100% at 70ºC to zero at +155ºC - RoHS compliant, REACH compliant, and halogen free - AEC-Q200 compliant
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10 µF 16 V Aluminum - Polymer Capacitors Radial, Can - SMD 30mOhm 2000 Hrs @ 105°C #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric)
    jharwinbarrozo
    1.1M
  • 1070TR
    1070TR
    Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlink
    jharwinbarrozo
    700.5k

ESPRSSO32 Smart Scale AI Auto Layout [Example]

ESPRSSO32 Smart Scale AI Auto Layout [Example] thumbnail
Learn how to use AI Auto Layout on this ESP32 Espresso Smart Scale! In one click you’ll see AI Auto Layout perform magic. Pay close attention to how we recommend creating rulesets, zones, and fanouts. By copying the setup in this example on your own project, you’ll have a fully routed board in no time!

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$2.98–$4.15

Digi-Key

$5.61–$7.42

LCSC

$6.33–$7.18

Mouser

$6.59

Verical

$2.16–$2.55

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