Description

Stamp-Pico is a plug-and-play, cost-effective Wi-Fi minimum core board. Powered by the Espressif ESP32 SoC, it is equipped with two low-power Xtensa® 32-bit LX6 microprocessors running at up to 240 MHz. With its compact size, high performance and low power consumption, it is ideal for space-constrained or battery-powered IoT applications.

Features

• ESP32-PICO-D4 (2.4 GHz Wi-Fi)
• Multiple I/O breakouts, supporting various mounting methods (SMT, DIP, flying leads)
• Integrated programmable RGB LED and button
• ESP32 minimum system board
• High-temperature plastic armor for better protection of the 3D antenna and components
• On-board 5V → 3.3V DC/DC circuit, 12 × GPIO, 1 × programmable RGB LED, 1 × button
• Professionally tuned RF circuit for stable and reliable wireless communication
• Development Platform
  • UiFlow1
  • UiFlow2
  • Arduino IDE
  • ESP-IDF
  • PlatformIO

Includes

• 5 × Stamp-Pico
• 5 × High-temperature Sticker

Applications

Specifications

Specification	Parameter
SoC	ESP32-PICO-D4@dual-core processor, 240MHz
Package	LGA48 (7×7mm)
Flash	4MB
Wi-Fi	2.4 GHz Wi-Fi
DMIPS	600
SRAM	520KB
Input Voltage	5V@500mA
Power Consumption	Normal standby: 5 V@29 mA / Wi-Fi STA mode: 5 V@60 mA / Classic Bluetooth TX: 5 V@84 mA / DeepSleep: 5 V@0.35 mA
Wireless Range	AP mode: 16 m / BLE mode: 110 m / Classic Bluetooth mode: 90 m
HMI	1 × Programmable physical button, 1 × Programmable RGB LED (SK6812)
Antenna Type	2.4 G 3D antenna
Wi-Fi	802.11 b/g/n (up to 150 Mbps with 802.11 n), spectrum range: 2.4 GHz ~ 2.5 GHz
Peripheral Interface	ADC, DAC, Touch Sensor, SD/SDIO/MMC Host Controller, SPI, SDIO/SPI Slave Controller, EMAC, Motor PWM, LED PWM, UART, I2C, I2S, IR Remote Controller, GPIO, PCNT
IO (12 pins)	G0, G1, G3, G26, G36, G18, G19, G21, G22, G25, G32, G33
IO Pitch	2.54 mm
Operating Temp.	0 ~ 60 °C
Mounting Screws	M2 × 4 Countersunk Hex Socket Machine Screws
Product Size	24.0 × 18.0 × 4.6 mm
Product Weight	13.7 g (5 pcs)
Package Size	138.0 × 93.0 × 5.6 mm
Gross Weight	16.3 g

Learn

Download Program

Stamp-Pico adopts an ultra-simplified circuit design and therefore does not include an onboard download circuit. To burn firmware, connect a USB-TTL downloader as shown below.

Learn and Documents

→ DOCUMENTS