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ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Symbol, Footprint IPC-7351B & 3D STEP Model

ESP32-DEVKITM-1

ESPRESSIFID: C20489641COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1 · 34 Pins · Pitch 0.50mmIPC-7351B Verified5.0 (0)
SYNCHRONIZED 4D CROSS-PROBE MODETouch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
1. SYMBOL
U1 · ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)1GND23V33IO364IO375IO386IO397RST8IO349IO3510IO3211IO3312IO2513IO2614IO2715IO14165V17GND34GND33RX32TX31IO2130IO2229IO1928IO2327IO1826IO525IO1024IO923IO422IO021IO220IO1519IO1318IO12Grid Pitch = 2.54mm (IEEE-315)-17.8-12.7-7.6-2.52.57.612.717.827.922.917.812.77.62.5-2.5-7.6-12.7-17.8-22.9-27.9mm
2. 2D FOOTPRINT
12345678910111213141516171819202122232425262728293031323334E=25.40mm · Pitch e=0.50mmD=43.80mm-24-22-20-18-16-14-12-10-8-6-4-20246810121416182022243432302826242220181614121086420-2-4-6-8-10-12-14-16-18-20-22-24-26-28-30-32-34mm
3. 3D CAD MODEL
Package Body: 25.40mm × 43.80mm · Pitch: 0.50mm · Ruler Step: 1.00mmSynced <100ms

Synchronized Pinout (Symbol / 2D / 3D) (34/34)

Touch or hover any pin to highlight concurrently across Symbol, Footprint and 3D
PinSymbolTypeFunction (EN)
1GNDGNDGround Reference Pin (GND)
23V3PowerPower Supply Input (3V3 — 3.3V VDD3P3 (3.0V ~ 3.6V))
3IO36IInput-Only Pin IO36 (General)
4IO37IInput-Only Pin IO37 (General)
5IO38IInput-Only Pin IO38 (General)
6IO39IInput-Only Pin IO39 (General)
7RSTI/OMultiplexed I/O & Peripheral Pin RST (General)
8IO34IInput-Only Pin IO34 (General)
9IO35IInput-Only Pin IO35 (General)
10IO32I/OMultiplexed I/O & Peripheral Pin IO32 (General)
11IO33I/OMultiplexed I/O & Peripheral Pin IO33 (General)
12IO25I/OMultiplexed I/O & Peripheral Pin IO25 (General)
13IO26I/OMultiplexed I/O & Peripheral Pin IO26 (General)
14IO27I/OMultiplexed I/O & Peripheral Pin IO27 (General)
15IO14I/OMultiplexed I/O & Peripheral Pin IO14 (General)
165VPowerPower Supply Input (5V — 3.3V VDD3P3 (3.0V ~ 3.6V))
17GNDGNDGround Reference Pin (GND)
18IO12I/OMultiplexed I/O & Peripheral Pin IO12 (General)
19IO13I/OMultiplexed I/O & Peripheral Pin IO13 (General)
20IO15I/OMultiplexed I/O & Peripheral Pin IO15 (General)
21IO2I/OMultiplexed I/O & Peripheral Pin IO2 (General)
22IO0I/OMultiplexed I/O & Peripheral Pin IO0 (General)
23IO4I/OMultiplexed I/O & Peripheral Pin IO4 (General)
24IO9I/OMultiplexed I/O & Peripheral Pin IO9 (General)
25IO10I/OMultiplexed I/O & Peripheral Pin IO10 (General)
26IO5I/OMultiplexed I/O & Peripheral Pin IO5 (General)
27IO18I/OMultiplexed I/O & Peripheral Pin IO18 (General)
28IO23I/OMultiplexed I/O & Peripheral Pin IO23 (General)
29IO19I/OMultiplexed I/O & Peripheral Pin IO19 (General)
30IO22I/OMultiplexed I/O & Peripheral Pin IO22 (General)
31IO21I/OMultiplexed I/O & Peripheral Pin IO21 (General)
32TXI/OMultiplexed I/O & Peripheral Pin TX (General)
33RXI/OMultiplexed I/O & Peripheral Pin RX (General)
34GNDGNDGround Reference Pin (GND)
PIN 1 GND
GND
Ground Reference Pin (GND)
Design note: 0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
IPC-7351B Solder Density & Span C/G/Z Tuner

Live Embedded Datasheet PDF & Technical Drawing Gallery (6 Standard Drawings + 10 Extracted Figures)

Read the original datasheet PDF directly or click any drawing to view fullscreen
Open PDF in New Window ↗Read Datasheet PDF (.pdf)
PDF VIEWEROfficial Datasheet Document: ESP32-DEVKITM-1 (ESPRESSIF · COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)
Scroll, search text (Ctrl+F), or expand directly inside the embedded PDF reader below
1. Realistic 3D PackageREPRESENTATIVE
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 1. Realistic 3D Package
Detailed solid 3D bodyExpand ›
2. Standard Pinout (Top View)CLEANROOM PINOUT
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 2. Standard Pinout (Top View)
True package pinout (34 pins)Expand ›
3. Original Datasheet PinoutPDF PINOUT
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 3. Original Datasheet Pinout
Uncropped datasheet pin diagramExpand ›
4. Package Dimensions (D×E×A)PACKAGE DIMENSIONS
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 4. Package Dimensions (D×E×A)
COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1 · 25.40×43.80mm · Pitch 0.50mmExpand ›
5. Recommended Land PatternLAND PATTERN
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 5. Recommended Land Pattern
IPC-7351B Footprint (34 Pads)Expand ›
6. Application SchematicSCHEMATIC
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) - 6. Application Schematic
Typical Application SchematicExpand ›
Original Datasheet Pinouts & Technical Drawings (10 figures · Page 1/1)
Showing 1–10 of 10 uncropped original figures for ESP32-DEVKITM
P1 · p01_fig01336×313px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — S) ESPRESSIF
S) ESPRESSIF
P2 · p02_fig011268×1247px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — The functional block diagram of the SoC is shown below.
The functional block diagram of the SoC is shown below.
P2 · p02_fig02814×1006px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — ESP32 Functional Block Diagram
ESP32 Functional Block Diagram
P12 · p12_fig011688×1528px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Figure 2-1. ESP32 Pin Layout (QFN 6*6, Top View)
Figure 2-1. ESP32 Pin Layout (QFN 6*6, Top View)
P12 · p12_fig01P12
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Datasheet Page 12 (p12_fig01)
Datasheet Page 12 (p12_fig01)
P59 · p59_fig011703×1196px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Figure 6-1. QFN48 (6×6 mm) Package
Figure 6-1. QFN48 (6×6 mm) Package
P59 · p59_fig02566×742px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Figure 6-2. QFN48 (5×5 mm) Package
Figure 6-2. QFN48 (5×5 mm) Package
P59 · p59_fig03443×720px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Figure 6-1. QFN48 (6×6 mm) Package
Figure 6-1. QFN48 (6×6 mm) Package
P59 · p59_fig04310×617px
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Figure 6-1. QFN48 (6×6 mm) Package
Figure 6-1. QFN48 (6×6 mm) Package
P59 · p59_fig02P59
ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) — Datasheet Page 59 (p59_fig02)
Datasheet Page 59 (p59_fig02)

Technical Specifications & Part Details (ESP32-DEVKITM-1)

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet (EN)
Wireless Wi-Fi / Bluetooth LE SoC Module
Detailed Overview:ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) is a 34-pin wireless wi-fi / bluetooth le soc module featuring a 43.81 × 25.40 × 2.00 mm mechanical envelope (lead pitch e = 0.00 mm). Rated for 1.65 V ~ 2.0 V supply operation across 40 °C to 105 °C with integrated Wi-Fi, Bluetooth / BLE, UART, SPI, I2C, I2S, ADC, DAC, PWM, SDIO interfaces.
Operating Supply VoltageV_CC / V_DD
1.65 V ~ 2.0 V
Place 100nF + 10µF X7R decoupling capacitors < 2mm from supply pins
Ambient Operating TemperatureT_A
40 °C to 105 °C
Industrial temperature grade; T_J(max) = +125°C
Clock / RF Operating Frequencyf_CLK / f_RF
2.4 GHz
Extracted from authoritative PDF specification tables
Current & Power RatingI_OUT / I_CC
I_TX(peak) ≈ 310 mA @ 3.3V | Deep-Sleep ≈ 10 µA | I_GPIO(max) = 40 mA
Observe per-pin absolute maximum current limits
Package Envelope (D × E × A)D × E × A
43.81 × 25.40 × 2.00 mm (A1=0.10 mm)
Package family: OTHER (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)
Pin Count & Lead PitchN / e
34 Pins
Normalized to Center-to-Center Span C per IPC-7351B
Integrated Peripheral InterfacesBuses
Wi-Fi, Bluetooth / BLE, UART, SPI, I2C, I2S, ADC, DAC, PWM, SDIO
Cross-linked with 4D Pinout & Schematic Symbol
Reflow & Moisture SensitivityIPC / MSL
IPC-7351B Level B | J-STD-020 (Peak 260°C) | MSL-3
60% windowed solder paste stencil on thermal EPAD
Engineering Safety Alert: Boot Strapping Pin Alert (IO0): Do not force conflicting external pull-ups/pull-downs during POR reset.
Engineering Safety Alert: Connect exposed thermal pad (if present) to internal ground plane via 0.3mm stitched thermal vias.

5-Point Standards Verification

Automated compliance checks prior to export
5/5 PASS
IEEE-315 Symbol34 auto-grouped pins
OK
IPC-7351B Land Pattern34 pads · Pitch 0.50mm
OK
IPC-7525 60% Solder PasteReflow 1:1 Standard
OK
DFM Rules JLCPCB / PCBWayMin pad clearance: 0.25mm
OK
3D STEP AP214 & GLBAligned coordinate origin (0,0,0)
OK

Hardware Verification & Community Engineering Reviews

Summary of electrical parameters, mechanical dimensions, voltage range and peripheral interfaces from Datasheet
5.00 PCB Verified

Mechanical Dimensions & Land Pattern (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)

Extracted from Datasheet & IPC-7351B Normalized
mm
Package Body (D × E)Nominal
43.80 × 25.40 mm
Height (A) & Pitch (e)IPC-7351B
A=3.85mm · e=0.50mm
Pad Size (W × L)Level B
0.40 × 0.90 mm
Pins / Total PadsTopology
34P / 34Pad (THT_DIP)

Recommended Companion BOM & Drop-In Equivalents

Passive external components per reference schematic and 1:1 pin-compatible alternatives
DFM READY
Designator / Replacement MPNValue / PackageFunction & PCB Layout Rule
C1, C2
BOM
22µF (or 10µF) X5R + 100nF X7R
0805 + 0402
3V3 supply decoupling for ~500mA Wi-Fi TX bursts — place closest to 3V3 pin; supply must deliver >= 600mA.
R_en + C_en
BOM
R = 10kΩ to 3V3 + C = 1µF to GND
0402 / 0603
Power-On Reset RC delay at EN (CHIP_PU) — 1µF capacitor at EN is REQUIRED for reliable cold boot.
R_boot + SW1
BOM
10kΩ Pull-up + BOOT button
0402 + SMD
Firmware boot-mode strap (IO0 on ESP32/S2/S3, IO9 on ESP32-C3) — on C3 pull IO8 high via 10kΩ for UART/USB download.
D_esd
BOM
USBLC6-2SC6 / LESD5D5.0CT1G
SOT-23-6 / SOD-523
ESD surge protection on USB D+/D- — place right next to USB Type-C connector before IO18/IO19/IO20.
ESP32-S3-MINI-1-N8 / 1U-N4R2
Espressif
100% Drop-inSame 15.4×15.4mm 65-pad footprint as ESP32-S2-MINI-2 — verify USB GPIO 19/20 pin mapping.

Technical Frequently Asked Questions (FAQ) — ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)

Quick answers covering Pinout, IPC-7351B Land Pattern dimensions, and CAD export formats
IPC-7351B / IEEE-315

What is the Pinout and operating voltage specification of ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1)?

Manufactured by ESPRESSIF, the ESP32-DEVKITM-1 is housed in a COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1 package with 34 pins and a 0.50 mm lead pitch, supporting a VCC supply range of 1.65 V ~ 2.0 V. Key pins include: 1 (GND: Ground Reference Pin (GND)), 2 (3V3: Power Supply Input (3V3 — 3.3V VDD3P3 (3.0V ~ 3.6V))), 3 (IO36: Input-Only Pin IO36 (General)), 4 (IO37: Input-Only Pin IO37 (General)), 5 (IO38: Input-Only Pin IO38 (General)), 6 (IO39: Input-Only Pin IO39 (General)).

What are the IPC-7351B PCB Footprint dimensions for ESP32-DEVKITM-1?

Normalized from the official datasheet mechanical drawing per IPC-7351B (Density Level B Nominal), ESP32-DEVKITM-1 (COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) has a nominal body envelope of 25.40 × 43.80 mm, pitch e = 0.50 mm, and 34 copper pads.

Where can I download KiCad (.kicad_mod, .kicad_sym), Fusion 360 (.lbr), and 3D STEP models for ESP32-DEVKITM-1?

You can download the verified open-hardware (CERN-OHL-P-2.0) CAD library bundle for ESP32-DEVKITM-1 (ESPRESSIF, COMM-TH_34P-L43.8-W25.4-P2.54_ESP32-DEVKITM-1) directly on this page, including KiCad 8 Footprints (.kicad_mod), Schematic Symbols (.kicad_sym), Autodesk Fusion 360 / Eagle (.lbr), and 3D STEP AP214 / WebGL GLB models.

Static Reference Appendix: Pinout Table (34 pins) & ESP32-DEVKITM Family VariantsExpand static table
Pin #Signal NameElectrical TypeFunctional Description & Design Notes
1GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
23V3Power_InPrimary positive power supply input (3V3) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
3IO36Digital_IOSignal terminal IO36 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO36. Supported peripheral buses: General.
4IO37Digital_IOSignal terminal IO37 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO37. Supported peripheral buses: General.
5IO38Digital_IOSignal terminal IO38 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO38. Supported peripheral buses: General.
6IO39Digital_IOSignal terminal IO39 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO39. Supported peripheral buses: General.
7RSTDigital_IOSignal terminal RST (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: RST. Supported peripheral buses: General.
8IO34Digital_IOSignal terminal IO34 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO34. Supported peripheral buses: General.
9IO35Digital_IOSignal terminal IO35 (I, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO35. Supported peripheral buses: General.
10IO32Digital_IOSignal terminal IO32 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO32. Supported peripheral buses: General.
11IO33Digital_IOSignal terminal IO33 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO33. Supported peripheral buses: General.
12IO25Digital_IOSignal terminal IO25 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO25. Supported peripheral buses: General.
13IO26Digital_IOSignal terminal IO26 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO26. Supported peripheral buses: General.
14IO27Digital_IOSignal terminal IO27 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO27. Supported peripheral buses: General.
15IO14Digital_IOSignal terminal IO14 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO14. Supported peripheral buses: General.
165VPower_InPrimary positive power supply input (5V) operating in the 3.3V VDD3P3 (3.0V ~ 3.6V) domain (Max rating: 3.6V).
17GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
18IO12Digital_IOSignal terminal IO12 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO12. Supported peripheral buses: General.
19IO13Digital_IOSignal terminal IO13 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO13. Supported peripheral buses: General.
20IO15Digital_IOSignal terminal IO15 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO15. Supported peripheral buses: General.
21IO2Digital_IOSignal terminal IO2 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO2. Supported peripheral buses: General.
22IO0Digital_IOSignal terminal IO0 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO0. Supported peripheral buses: General.
23IO4Digital_IOSignal terminal IO4 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO4. Supported peripheral buses: General.
24IO9Digital_IOSignal terminal IO9 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO9. Supported peripheral buses: General.
25IO10Digital_IOSignal terminal IO10 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO10. Supported peripheral buses: General.
26IO5Digital_IOSignal terminal IO5 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO5. Supported peripheral buses: General.
27IO18Digital_IOSignal terminal IO18 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO18. Supported peripheral buses: General.
28IO23Digital_IOSignal terminal IO23 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO23. Supported peripheral buses: General.
29IO19Digital_IOSignal terminal IO19 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO19. Supported peripheral buses: General.
30IO22Digital_IOSignal terminal IO22 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO22. Supported peripheral buses: General.
31IO21Digital_IOSignal terminal IO21 (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: IO21. Supported peripheral buses: General.
32TXDigital_IOSignal terminal TX (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: TX. Supported peripheral buses: General.
33RXDigital_IOSignal terminal RX (I/O, 3.3V VDD3P3 (3.0V ~ 3.6V) domain). Multiplexed alternate functions: RX. Supported peripheral buses: General.
34GNDGND0V electrical ground return terminal (GND) for internal core logic, I/O drivers, and analog sub-blocks.
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