


- ESP32-S3, Xtensa® 32 bit LX7
- External PSRAM, FLASH
- Ultra-low power 10uA
- 2.4G WIFI, Bluetooth 5, Bluetooth mesh
- GPIO, ADC, TOUCH, PWM, I2C, SPI, RMT, I2S, UART, LCD, CAMERA, USB, JTAG
- 1*microUSB
- 1*Full color LED
Same size as Raspberry Pi pico, And most GPIO definitions are compatible with raspberry Pi Pico
Hardware interface:

Hardware spec:
SoC |
ESP32-S3, Xtensa® 32-bit LX7 dual core |
Basic frequency | 240MHz MAX |
Operating temperature | -40℃~+85℃ |
On-chip ROM | 384KB |
On-chip SRAM | 320KB |
Onboard FLASH ROM | 2MB |
On-chip peripheral PSRAM | 8MB |
WIFI | IEEE 802.11 b/g/n, 2.4Ghz band, 150Mbps |
Bluetooth | Bluetooth 5, Bluetooth mesh |
GPIO | BPI-PicoW-S3 has led out 27 available GPIOs |
ADC | 2 × 12-bit SAR ADC supporting 18 analog channel inputs |
TOUCH Capacitive Touch Sensor | 14 |
SPI | 4 |
I2C | 2. Support master or slave mode |
I2S | 2, input and output of serial stereo data |
LCD | 1, support 8-bit ~16-bit parallel RGB, I8080, MOTO6800 interface |
CAMERA | 1, supports 8-bit ~16-bit DVP image sensor interface |
UART | 3, supports asynchronous communication (RS232 and RS485) and IrDA |
PWM | 8 independent channels, 14-bit precision |
MCPWM | 2 |
USB | 1 × Full Speed USB 2.0 OTG, MicroUSB Female |
USB Serial/JTAG Controller | 1, USB full speed standard, CDC-ACM, JTAG |
Temperature sensor | 1, the measurement range is –20 °C to 110 °C, for monitoring the internal temperature of the chip |
SD/MMC | 1 × SDIO host interface, with 2 card slots, supports SD card 3.0 and 3.01, SDIO 3.0, CE-ATA 1.1, MMC 4.41, eMMC 4.5 and 4.51 |
TWAI® Controller | 1, compatible with ISO11898-1 (CAN specification 2.0) |
Generic DMA Controller | 5 receive channels and 5 transmit channels |
RMT | 4-channel transmit, 4-channel receive, shared 384 x 32-bit RAM |
Pulse Counter | 4 pulse count controllers (units), each unit has 2 independent channels |
Timer | 4 × 54-bit general-purpose timers, 16-bit clock prescaler, 1 × 52-bit system timer, 3 × watchdog timers |
External crystal | 40Mhz |
RTC and Low Power Management | Power Management Unit (PMU) + Ultra Low Power Coprocessor (ULP) |
Low power consumption current | 10uA |
Working Voltage | 3.3V |
Input voltage | 3.3V~5.5V |
Maximum discharge current | 2A@3.3V DC/DC |
Controllable full color LED | 1 |
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at alex@friendlyarmtr.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at alex@friendlyarmtr.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.