SparkFun IoT RedBoard - ESP32 Development Board

by Sparkfun

The SparkFun IoT RedBoard is an ESP32 Development Board that includes everything but the kitchen sink!

Espressif's ESP32 WROOM is a powerful WiFi and Bluetooth® MCU module that targets a wide variety of applications. At the core of this module is the ESP32-D0WDQ6 chip which is designed to be both scalable and adaptive. The IoT RedBoard can target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. The IoT ReadBoard also utilizes the handy Qwiic Connect System which means no soldering or shields are required to connect it to the rest of your system!

The USB-to-serial is achieved with a USB-C connector with through hole anchoring and the ubiquitous CH340G requiring fewer driver installs. SparkFun have included 3.3V voltage translation and a Qwiic connector to the edge of the board to allow for quick and seamless connection to the ever-growing line of I2C based Qwiic products. The board even includes a microSD socket if your application requires you to log and save data to a memory card.

The operating system is freeRTOS with LwIP; TLS 1.2 with hardware acceleration is built in as well. Secure (encrypted) over the air (OTA) upgrade is also supported, so that users can upgrade their products even after their release, at minimum cost and effort.

The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.

Get started with the ESP32-WROOM IoT RedBoard Guide

Features

  • CPU and OnChip Memory
    • ESP32-D0WD-V3 embedded, Xtensa dual-core 32-bit LX6 microprocessor, up to 240MHz
    • 448KB ROM
    • 520KB SRAM
    • 16KB SRAM in RTC
  • WiFi
    • 802.11b/g/n
    • Bit rate: 802.11n up to 150Mbps
    • A-MPDU and A-MSDU aggregation
    • 0.4µs guard interval support
    • Center frequency range of operating channel: 2412 ~ 2484MHz
  • Bluetooth®
    • Bluetooth® V4.2 BR/EDR and Bluetooth® LE specification
  • Peripherals
    • microSD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, TWAI® (compatible with ISO 11898-1, i.e. CAN Specification 2.0)
  • Integrated Components on Module
    • 40MHz crystal oscillator
    • 4/8/16 MB SPI flash
  • Qwiic connector

Documents

8 customer reviews

3 years ago
Bought the Pi 3a+ it to run OctoPrint. I was concerned that 512MB of RAM wouldn’t hack it but it’s works perfectly. Delivery was quick within 48hrs.
by Conor about Raspberry Pi 3 A+ via REVIEWS.io
3 years ago
The Pi 3A+ specification was a good match for my application of installing MotionEyeOS to be used for a security camera and occasionally as a wildlife camera. I have made these with the Pi Zero and the Pi 3 A+ provides a better performance in a suitably compact size. My camera project fitted into a standard 68WX100LX50H sealed, clear lid box. This allowed the camera to be mounted inside to look through the lid to protect it and the Pi from the elements. I also prefer the camera connection this model compared to the zero that is more delicate or prone to connection issues. I was particularly grateful to be able to buy this board at times of short supply at the standard price prior to the shortage. Thanks Pimoroni!
by ERIC about Raspberry Pi 3 A+ via REVIEWS.io
3 years ago
I can't believe how small and powerful these things have gotten! Pint size power! I have been faithfully using Raspberry PI's since the model B, so its been about 10 years now! I have to say that I recon this is one of the best inventions of the century! It can only get smaller and more powerful from here on out! Pimoroni is the best place to get PI'S in general, and the only place to get them at the moment! I used this one to build a MT32 PI to go with another amazing invention, The MiSTer FPGA... Thanks Pimoroni!
by James about Raspberry Pi 3 A+ via REVIEWS.io
3 years ago
Paired with Emu68 this is something my beloved Amiga500 loves very much! :)
by Teemu about Raspberry Pi 3 A+ via REVIEWS.io
4 years ago
While many people will try to always go for the newest or fastest boards - and even overclocking, there are many other times, particularly in audio applications where circuit noise and RF are what you need to avoid. The Pi has long been criticised for the way it shares its Ethernet port with the onboard USB port and the extra USB ports on most Pi's are noisy as implemented as a hub, not individual channels. This is where the Model 3A scores massively. By ditching the noisy Pi's Ethernet implementation along with the unnecessary extra USB ports, you get a board that is very, very quiet from the RF standpoint - ideal for hifi audio HAT's. Add in the lower current draw and you have the ideal Pi for high definition audio. Fabricate a simple HAT-sized screening plate mounted from 2mm copper like I did and you place a virtual Faraday cage screen for your HAT, killing any Pi circuit noise stone dead. Perfect! Forget the 3B and faster but noisy 4, get this and take a giant step on your journey towards audio utopia!
by Neil about Raspberry Pi 3 A+ via REVIEWS.io
4 years ago
Worked spot on for the game emulator I made for my son to show him what games were like when I was younger a lot younger
by john about Raspberry Pi 3 A+ via REVIEWS.io
4 years ago
Excellent, Bought f0r the purpose of powering an MT32pi with the MiSTer hat, rather than use a larger "full fat" raspberry pi. Runs cool and flawlessly, providing an excellent recreation of the Roland MT32 with my MiSTer. Delivery was very fast as usual from Pimoroni.
by Anonymous about Raspberry Pi 3 A+ via REVIEWS.io

9 user photos