ESP32-C61-DevKitC-1

Entry-level development board based on ESP32-C61-WROOM-1 with 8MB SPI flash and 2MB PSRAM; integrates 2.4GHz Wi-Fi 6 and Bluetooth LE. Most I/O pins are broken out on both sides for breadboard use.

Logical pinout · physical placement not verified

1 3V310
Type · Unknown
2 RST11
Type · Unknown
3 412
Type · GPIO
4 513
Type · GPIO
5 614
Type · GPIO
6 715
Type · GPIO
7 016
Type · GPIO
8 117
Type · GPIO
9 818
Type · GPIO
10 2919
Type · GPIO
11 NC1420
Type · GPIO
12 221
Type · GPIO
13 322
Type · GPIO
14 5V23
Type · Unknown
2 TX24
Type · GPIO
3 RX25
Type · GPIO
4 2426
Type · GPIO
5 2327
Type · GPIO
6 2228
Type · GPIO
7 2829
Type · GPIO
8 2730
Type · GPIO
9 2631
Type · GPIO
10 2532
Type · GPIO
11 933
Type · GPIO
13 1334
Type · GPIO
14 1235
Type · GPIO

Pin	Position	Type
1 3V3	10	Unknown
2 RST	11	Unknown
3 4	12	GPIO
4 5	13	GPIO
5 6	14	GPIO
6 7	15	GPIO
7 0	16	GPIO
8 1	17	GPIO
9 8	18	GPIO
10 29	19	GPIO
11 NC14	20	GPIO
12 2	21	GPIO
13 3	22	GPIO
14 5V	23	Unknown
2 TX	24	GPIO
3 RX	25	GPIO
4 24	26	GPIO
5 23	27	GPIO
6 22	28	GPIO
7 28	29	GPIO
8 27	30	GPIO
9 26	31	GPIO
10 25	32	GPIO
11 9	33	GPIO
13 13	34	GPIO
14 12	35	GPIO

Logical pinout · physical placement not verified

Pin details

26 connections

1 3V3
Unknown
10
2 RST
Unknown
11
3 4
GPIO
12
4 5
GPIO
13
5 6
GPIO
14
6 7
GPIO
15
7 0
GPIO
16
8 1
GPIO
17
9 8
GPIO
18
10 29
GPIO
19
11 NC14
GPIO
20
12 2
GPIO
21
13 3
GPIO
22
14 5V
Unknown
23
2 TX
GPIO
24
3 RX
GPIO
25
4 24
GPIO
26
5 23
GPIO
27
6 22
GPIO
28
7 28
GPIO
29
8 27
GPIO
30
9 26
GPIO
31
10 25
GPIO
32
11 9
GPIO
33
13 13
GPIO
34
14 12
GPIO
35

ESP32

158 other options

Wi-Fi and Bluetooth on a single chip, in every shape from Espressif DevKitC to Adafruit Feathers with STEMMA QT, DFRobot FireBeetles tuned for battery life, and Seeed XIAOs under a thumbnail.

View all 158

Related groups

4 groups

Arduino

About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

Boards · Arduino boards · 77 parts

Add-ons

About 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.

Boards · HATs, Shields & add-ons · 270 parts

Other MCUs

Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.

Boards · Other MCU boards · 229 parts

Pi Pico

The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.

Boards · Pico & RP2040 boards · 43 parts